STRUCTURAL STEEL AND MISCELLANEOUS METAL ITEMS (OTHER THAN ALUMINUM)
962-1 General.
This Section covers the material and fabrication requirements for structural steel and miscellaneous metal components . All steel must be melted and manufactured in the United States and meet Section 6-5.2. All overhead cantilevers, monotubes, trusses and gantrie s, iron castings, steel gratings, fencing, field splices filler metals, and bridge components (including steel castings, steel forg ings, and bearing material) s upplied under this Specification shall be from producers currently on the Department’s Production Facility Listing. Producers seeking inclusion on the Department’s Production Facility Listing must meet the requirements of Secti on 105. Provide certifications that meet the applicable section and 962 -12.
962-2 Structural Steel.
962-2.1 Structural Steel Materials: Provide structural steel for bolted or welded
construction that meets the requirements of Table 962-1.1 and 962 -1.2 when impact testing is specified. Grade HPS 70W shall not be substituted for Grade HPS 50W. Weathering steel shall not be substituted for non -weathering steel without Engineer approval. Do not apply heat treatment unless approved by the Engineer. When galvanizing is specified, provide galvanizing in accordan ce with 962-11.1. Table 962 -1 Structural Steel Materials Product ASTM Grade/Style Reportable Properties Supplementary Requirements Plate A709 36 Composition, Yield Strength, Tensile Strength, Elongation, Killed None 50 50S Carbon Equivalency 50CR Heat-treating temperatures 50W Composition, Yield Strength, Tensile Strength, Elongation, Killed, Fine Grain Corrosion Resistance Index HPS 50W Corrosion Resistance Index, Heat Treatment Temperatures HPS 70W
962-2.2Impact Requirements : Structural steel subject to tensile stress for main load -
carrying members shall meet the impact requirements listed in Table 962-2. Mill test reports shall identify average impact test values. Provide certifications that meet this section and 962 -12. For non-fracture and fracture critical tension components , provide structural steel in accordance with ASTM A709. FY 2023-24 Return to Table of Contents Table 962-2 Requirements for Impact Testing Structural Steel Product ASTM Grade Zone Minimum Average Energy (ft*lbf) Non-Fracture Critical Fracture Critical Structural Steel A709 36 1 15 at 70°F 25 at 70°F 50W 50S 15 at 70°F (≤ 2.0”t) 20 at 70°F (> 2.0”t) 25 at 70°F (≤ 2.0”t) 30 at 70°F (> 2.0”t) 50CR 15 at 70°F 25 at 70°oF HPS 50W 20 at 10°F (≤ 2.0”t) 25 at 50°F (> 2.0”t) 30 at 10°F (≤ 2.0”t) 35 at 50°F (> 2.0”t) HPS 70W 25 at -10°F 35 at -10°F Structural Steel Tubing A500 B, C, D 15 at 70°F 25 at 70°F A501 A, B A847 Round, Square, Rectangle, Special Note: If yield ≥15 ksi above specified grade, test temperature must drop 15 °F for each 10 ksi above grade.
962-3 Steel Castings.
Provide carbon steel and corrosion resistant castings in accordance with this section and Table 962-3.
962-3.1 Carbon Steel Castings: Perform heat treatments by annealing, normalizing,
normalizing & tempering, or quenching & tempering after castings have been allowed to cool from the pouring temperature to below the transformation temperature range as regulated by the use of pyrometers. Class 1 castings shall be u sed if post -weld heat treatment is specified in the contract documents.
962-3.2 Corrosion Resistant Steel Castings:
Perform heat treatments by air cooling and temper ing; or annealing as defined in ASTM A743 Table 1. Table 962-3 Requirements for Steel Ca stings Product Standard Grade Class Reportable Properties Supplementary Requirements Carbon Steel ASTM A27 65-35,
70-36 1, 2 Composition,
Tensile, Class None Corrosion Resistant Steel ASTM A743 CA 15M All Composition, Heat Treatment S11, S12 AASHTO M 163 FY 2023-24 Return to Table of Contents
962-4 Steel Forgings.
Provide carbon steel and alloy steel forgings from which pins, rollers, trunnions, shafts, gears, or other forged parts are fabricated in accordance with this section and Table 962-4. The manufacturer may elect to choose from any of the class specific heat treatments identified in the Table 962-4, provided that the controlling cross -sectional thickness meets mechanical property test requirements. Retreat ment by re-austenitizing a lot is allowed up to three times when the mechanical properties have not been met. R e-testing of the mechanical properties is required on any lot subject to retreatment. Table 962-4 Requirements for Steel Forgings Product Standard Class Reportable Properties Supplementary Requirements Steel Forgings ASTM A668 C, D, F, G Composition, Tensile, Yield, Elongation, Hardness S7 AASHTO M 102
962-5 Iron Castings.
Provide iron castings that conform to the requirements of this section and Table 962-5. Use producers listed on the Department’s Production Facility Listing for galvanizing.
962-5.1 Gray Iron Castings: Provide gray iron castings that conform to the
requirements of this section and Table 962-4. AASHTO HL-93 load testing may be substituted for tensile testing when specified i n the contract documents. When Alternative G castings are specified, provide a composition that precludes the possibility of embrittlement during the normal thermal cycle of hot -dip galvanizing.
962-5.2 Ductile Iron Castings: Perform full ferritizing anneal to remove carbides or
stabilized pearlite. AASHTO HL-93 load testing may be substituted for tensile testing when specified in the contract documents.
962-5.3 Malleable Iron Castings: Perform heat treatments in the same production
furnace and in the same cycles as the castings they represent. Produce a microst ructure consisting of temper carbon nodules distributed through a ferritic matrix and free of excessive pearlite, massive carbides, and primary graphite. When critical sections of the production castings differ appreciably from that of the central portion , the time cycle for tempering may be altered from that of the production lot in order to obtain similar microstructures, or hardness, or both. When Alternative G castings are specified, provide a composition that precludes the possibility of embrittleme nt during the normal thermal cycle of hot -dip galvanizing, or provide heat treatment that immunizes the casting against embrittlement during the normal thermal cycle of hot -dip galvanizing. FY 2023-24 Return to Table of Contents Table 962-5 Requirements for Iron Castings Product Standard Grade/Class Reportable Properties Supplementary Requirements Gray Iron Traffic Service AASHTO M 105 & AASHTO M 306 35B Tensile* None Gray Iron Machinery AASHTO M 105 30 Tensile None Ductile Iron ASTM A536
60-40 18
Tensile*, Yield, Elongation, Heat Treatment Additional Tensile test for castings > 1,000 lbs. Malleable Iron ASTM A47 30518 [24118] Tensile, Yield, Elongation, Heat Treatment None *AASHTO HL -93 may be substituted for tensile testing of vaned gratings, when specified in the contract.
962-6 Bolts, Nuts and Washers Not Designated as High -Strength.
Provide bolts, nuts, and washers not designated as high strength meeting the requirements listed in this Section and Table 962-6. When galvanizing is specified in t he contract documents, provide galvanizing in accordance with 962 -11.3.1. Use double nuts, when ordinary rough or machine bolts are specified in the Contract Documents. Bolted assemblies shall be made of similar coating composition . When weathering material is used, provide the entire assembly in weathering steel. Bolts meeting the requirements of ASTM A193, washers meeting the requirements of ASTM F844 and nuts meeting the requirements of ASTM A194 or AASHTO M292 may be used with the Engineer’s approval. Table 962-6 Bolts, Nuts, and Washers Not Designated as High -Strength Product Standard Grade Style Reportable Properties Bolts ASTM A307 A, B Heavy Hex, Threaded Rod Size, Composition, Hardness, Tensile ASTM A449 1, 3 Hex, Threaded Stud Size, Composition, Tensile, Proof Load, Hardness ASTM F593 Group 2 316 or 316L Condition A CW1 or SH1 Alloy, Group, Condition ASTM A193* B7, B16 Any Size, Composition, Hardness, Heat FY 2023-24 Return to Table of Contents Table 962-6 Bolts, Nuts, and Washers Not Designated as High -Strength Product Standard Grade Style Reportable Properties Treatment, Macroetch results Nuts ASTM A563 A Hex Size, Composition, Proof Load, Hardness C, C3, DH, DH3 Heavy Hex ASTM F594 Group 2 316 or 316L CW Alloy, Group, Condition ASTM A194* 2, 2H Hex, Heavy Hex Composition, Hardness, Proof Load AASHTO M 292* 2, 2H Hex, Heavy Hex Size, Composition, Hardness, Heat Treatment, Macroetch results Washers ASTM F436 1, 3 Circular, Beveled, Clipped, Extra Thick Size, Hardness N/A 316 or 316L Any Alloy, Size ASTM F844* Plain Round, Miscellaneous Size ASTM A36 All N/A Killed, Thickness Shims ASTM A1011 Any Any None ASTM A109 Any Any None ASTM B36 Brass Any None
962-7 High-Strength Bolts, Nuts, Washers and Direct -Tension-Indicator (DTI) Devices.
Provide high-strength bolts, nuts, washers and DTI devices in accordance with this Section and Table 962-7. High-strength bolts shall have identifying marks meeting ASTM F3125 Table 2 and ASTM A563. High -strength bolted assemblies shall be made of similar coating composition. When galvanizing is s pecified in the contract documents, provide galvanizing in accordance with 962 -11.3.2. Bolts meeting the requirements of ASTM F3125 Grade A490, washers meeting the requirements of ASTM F844, and nuts meeting the requirements of ASTM A194 or AASHTO M 292 may be used with the Engineer’s approval. FY 2023-24 Return to Table of Contents Table 962-7 Requirements for High -Strength Steel Fastener Assemblies Products Standard Grade Type/ Style Reportable Properties Supplementary Requirements Bolts ASTM F3125 A325 Heavy Hex Size, Composition, Tensile, Proof Load, Hardness, None A490* Size, Composition, Tensile, Proof Load, Hardness, Magnetic Particle, Carburization/ Decarburization ASTM A193 B7, B16 Any Size, Composition, Hardness, Heat Treatment, Macroetch results S5 Nuts ASTM A563 DH, DH3 Heavy Hex Size, Composition, Proof Load, Hardness S1, S2 min. 89 HRB or 180 HB ASTM A194* 2H Heavy Hex Size, Composition, Hardness Max HRC32 AASHTO M 292* 2H Heavy Hex Size, Composition, Hardness, Heat Treatment, Macroetch results Max HRC32 Washers F436 Circular, Beveled, Clipped, Extra Thick 1, 3 Size, Hardness None F844* Round, Miscella neous Plain Size None ASTM A709 36, 50 Any Yield, Tensile, Elongation, Killed None DTI Devices F959 A325 1 Size, Composition, Compression Load, Hardness None 3 Size, Composition, Compression Load, Hardness, Corrosion Resistance Index *Requires Engineer Approval. FY 2023-24 Return to Table of Contents
962-8 Anchor Rods and Bridge Bearing Materials.
962-8.1 Bearing and Masonry Plate: Meet the requirements of Table 962-8. Masonry
plates and bearings shall be welded in accordance with AASHTO/AWS D1.5 Bridge Welding Code. When galvanizing is specified meet the requirements of 962-11.1. Use producers listed on the Department’s Production Facility Listing for galvanizing. Table 962-8 Requirements for Bearings and Masonry Plate Product ASTM Grade Style Reportable Properties Supplementary Requirements Plate A709 50W All Yield, Tensile, Elongation, Killed, Fine Grain Corrosion Resistance Index Laminates A240 316 Gage 16 Yield, Tensile, Elongation, Hardness None A1011 36 HSLAS, Class 1 Designation, Style None A36 All All Yield, Tensile, Elongation, Killed None
962-8.2 Anchor Rods and Bearing Hardware: Provide anchor rods and other bearing
hardware in accordance with this section and Table 962-9. All fastening components shall be made of similar composition. When galvanizing is specifie d in the contract documents, provide galvanizing in accordance with Section 962-11.3.1. Anchor rods meeting the requirements of ASTM A307, washers meeting the requirements of ASTM F844, and nuts meeting the requirements of ASTM A194 may be used with the En gineer’s approval. Table 962-9 Requirements for Anchor Rods and Bearing Hardware Product ASTM Grade Style Reportable Properties Supplementary Requirements Bolts F1554 36 Threaded Rod Lot, Size, Tensile None 55 Lot, Size, Tensile, Carbon Equivalency S1 105 Lot, Size, Tensile, Carbon Equivalency S3 A307* A, B Threaded Rod Size, Composition, Hardness, Tensile S1 Nuts A563 DH Heavy Hex Size, Composition, Proof Load, Hardness None A194* 2H Heavy Hex Size, Composition, Hardness None Washers F436 1, 3 Circular, Beveled, Size, Hardness None FY 2023-24 Return to Table of Contents Table 962-9 Requirements for Anchor Rods and Bearing Hardware Product ASTM Grade Style Reportable Properties Supplementary Requirements Clipped, Extra Thick F844* Plain Round, Miscellaneous Size None Plate A36 All All Yield, Tensile, Elongation, Killed None Shim A653 All Min. G30 Grade None A1008 A36 All A153, F2329 None None *Requires Engineers Approval.
962-9 Overhead Signs .
Provide overhead sign materials in accordance with this section Table 962-2, and Table 962-10. When galvanizing is specified, meet the requirements of 962 -11.1. Produce welds using E7018 electrode, in accordance with AWS D1.1 Structural welding Code. Table 962-10 Requirements for Overhead Signs Product Standard Grade Type/ Style Reportable Properties Supplementary Requirements Upright Pipe API 5L X42R, X42N, X42M, X46N, X46M, X52N, X52M, X56N, X56M, X60N, X60M, X65M, X70M PSL2 Killed, Fine Grain, Tensile, CVN Test N/A A500 B, C Round Structural Composition, Yield, Tensile, Elongation UT Seam Weld, (per API 5L) CVN Test per 962 -2 Chords A500 B, C Round Structural Composition, Yield, Tensile, Elongation N/A Plate, Angles & A709 50 Plates & Shapes Composition, Yield, Tensile, Elongation N/A A36 36 Yield > 50ksi FY 2023-24 Return to Table of Contents Table 962-10 Requirements for Overhead Signs Product Standard Grade Type/ Style Reportable Properties Supplementary Requirements Handhole Frame Poles A1011 50, 55, 60, 65 Any Designation, Grade N/A A572 50, 55, 60, 65 1, 2, 3, 5 Composition, Tensile, Type, Killed N/A A595 A, B Any Composition, Tensile, Type, Killed N/A
962-10 Miscellaneous Metal Items.
962-10.1 General: Unless otherwise specified in the contract documents, provide
miscellaneous meta l components in accordance with this section and Table 962-11, Table 962-12, Table 962-13, or Table 962-14. Structural t ubing subject to tensile stresses, as defined in Section 460, shall meet Table 962-2.2 for tension components, Zone 1. Welding shall be done in accordance with the most current AWS D1.1 structural welding code. When galvanizing is specified in the contract documents, provide galvanizing in accordance with the contract documents . Requirements for concrete reinforcement are contained in Section 931. Requirements for steel guardrail are contained in Section 967. Table 962-11 Requirements for Miscellaneous Metals Product Standard Grade Type/ Style Reportable Properties Steel Sheet Piling A328 All Cold Rolled, Heat Treated Composition, Tensile, Killed A572 42, 50, 55, 60, 65 1, 2, 3, 5 Composition, Tensile, Size, Killed A690 All All Composition, Tensile, Killed Steel Pipe Piling A252 3 All Composition, Tensile, Size API 5L X46, X52, X56, X60, X65, X70 PSL1 Tensile PSL2 Killed, Fine Grain, Tensile Structural Tubing A500 Round B, C Composition, Tensile, Flattening Test, Impact (Zone 1), Size Shaped Composition, Tensile, Impact (Zone 1), Size A501 Square, Round, Rectangular, Special A, B Composition, Tensile, Impact (Zone 1), Size FY 2023-24 Return to Table of Contents Table 962-11 Requirements for Miscellaneous Metals Product Standard Grade Type/ Style Reportable Properties A847 Round Welded, Seamless Composition, Tensile, Flattening, Impact (Zone 1), Size Square, Rectangle, Special Welded, Seamless Composition, Tensile, Impact (Zone 1), Size Pipe Railing A53 A, B E, S Composition, Mechanical Testing (Tensile, Bend, Flattening), Size
962-10.2 Field Splice Filler Materials: Provide field splice filler materials in accordance
with the contract documents. If unspecified and less than 3/16 inches thick filler splice materials in accordance with this section and Table 962-12. Filler plates may also meet the appropriate grades specified in 962 -2. When galvanized plate is specified, use producers list ed on the Department’s Production Facility Listing for galvanizing. Table 962-12 Requirements for Field Splice Filler Materials Product Standard Grade Type/ Style Reportable Properties Filler Sheet A1011 50 HSLAS, Class 1 Designation, Grade
962-10.3 Fencing Material: Provide fencing materials in accordance with this Section
and Table 962-13. When galvanizing is specified , provide galvanizing in accordance with the contract documents. U se producers listed on the Department’s Production Facility List ing for Coated Steel Fencing. Table 962-13 Material Requirements for Fencing Product Standard Grade / Type Style Reportable Properties Fabric A116 60 No. 9 Breaking Strength, Coating Weight 175 No. 12-1/2 A584 175 No. 12-1/2 M181 1, 2, 4 No. 9 A392 All No. 9 A491 All No. 9 F668 All No. 9 Posts A702 50 Carbon, Rail Tensile or Hardness Pipe, Tube A53 A, B E, F, S Grade, Finish FY 2023-24 Return to Table of Contents Table 962-13 Material Requirements for Fencing Product Standard Grade / Type Style Reportable Properties F1083 Schedule 40 High Strength Schedule F1043 1C All Group, Coating, Type 1A High strength Beam A36 36 All Shapes Grade, Killed A572 42 A992 50 Sheets A1011 36, 45, 50 HSLAS, HSLAS -F, SS Designation, Style
962-10.4 Steel Grates: Provide steel grating in accordance with this section and
Table 962-14. When vaned gratings are specified, AASHTO HL-93 load testing may be substituted for tensile testing w hen specified in the contract documents. When Alternate G is specified, provide galvanizing in accordance with 962-11.1. Use producers listed on the Department’s Production Faci lity Listing for galvanizing. Table 962-14 Requirements for Steel Grating Product Standard Grade Type/ Style Reportable Properties Steel Grating A242 50 1 Composition, Tensile*, Killed A572 1, 2, 3, 5 Composition, Tensile*, Size, Killed A588 A, B, K Composition, Tensile*, Fine Grain A1011 Any SS, HSLAS, HSLAS-F Designation, Style * AASHTO HL -93 may be substituted for tensile testing for vaned gratings when specified.
962-11 Galvanizing.
962-11.1 Plates, Structural Shapes, Bars, and Strip: When galvanizing is specified in
the Contract Documents for ferrous metal products, provide galvanizing in accordance with the requirements of ASTM A123. Zinc composition shall meet “ Intermediate Grade” in acc ordance with ASTM B6. Use galvanizers listed on the Department’s Production Facility Listing for hot- dip galvanizing . Table 962-15 Requirements for Galvanizing Bath Composition Product Zinc (Zn) Lead (Pb) Tin (Sn) FY 2023-24 Return to Table of Contents Galvanizing Bath ≥ 99.00% ≤ 0.50% ≤ 0.10%
962-11.2 Castings: When Alternative G castings are specified in the contract documents,
provide galvanizing in accordance with the requirements of ASTM A123. Zinc composition shall meet 962-11.1.
962-11.3 Fasteners and Hardware:
962-11.3 1 Fasteners and Hardware Designated Not High -Strength: When
zinc coating is required in the contract documents provide galvanizing of stell or malleable iron in accordance with the requirements of ASTM A153.
962-11.3 2 Fasteners and Hardware Designated as High -Strength: When zinc
coating is required in the Contract Documents, provide galvanizing in accordance with Table 962-16. Coating of ASTM F3125, A490 bolts is prohibited. Bake all hot dipped or electroplated bolt, rod , or bar with a tensile strength greater than or equal to 150 ksi to remove any residual hydrogen . Table 962-16 Coating Requirements for Fastener and Hardware Designated as High -Strength Product ASTM Grade Type/Style Coating Finish Bolts F3125 A325 1 ASTM B695, Class 55 ASTM F2329 A490 All Do Not Galvanize Anchor Rods F3125 A325 1 ASTM B633 SC 3, Type II A490 All Do Not Galvanize F1554 105 All ASTM B633 SC 3, Type II Anchor Rods F1554 36, 55 All ASTM B695 Class 55 ASTM F2329 Nuts A563 A, C, D, C3, DH, DH3 Hex, Heavy Hex A194 1, 2 All Washers F436 Circular, Beveled, Clipped, Extra Thick 1 F844 Round, Miscellaneous A DTI Devices F959 A325 1
962-12 Certifications and Verification.
962-12.1 General: Provide certifications for steel directly from the Mill . Mill
certifications shall show compliance to the specification and include the reportable properties and supplementary requirements from the appli cable sections listed above . When secondary processing, or testing has occurred, in addition to the mill certificate, provide a certified mill analysis signed by a quality control representative that show compliance with and the test results of the applicable section s listed above . When material meeting “Buy America” is specified, the mill certification or certified mill analysis shall identify that the included material meets the Source of Supply -Steel requirements in Section 6. FY 2023-24 Return to Table of Contents SECTION 965 GENERAL PROVISIONS FOR ALUMINUM ITEMS (INCLUDING WELDING )
965-1 General.
This Section covers the material and fabrication requirements for aluminum components. All aluminum light poles, J -arms, and railings supplied under this Specification shall be from producers currently on the Department’s Production Facility Listing. Produ cers seeking inclusion on the Department’s Production Facility Listing must meet the requirements of Section 105.
965-2 Fabrication.
Provide fabricated components in accordance with AASHTO LRFD Specifications for Structural Supports for Highway Signs, Lum inaires and Traffic Signals, the Design Plans, and this section. Verify the strength of each Lot by tensile test. Alternate testing will not be accepted. Protect against damage and marring during transit and delivery . Provide an anodic coating (minimum 0.0 002 inch) and chromate seal all hardware. Table 965-1 Material Requirements for Aluminum Components Product Test Method Alloy/Temper Reported Properties Pole, Arm, Extrusions ASTM B221 6061-T6 Alloy, Temper, Thickness , Tensile Strength 6063-T6 Pedestal, Posts ASTM B429 6061-T6 Bars, Plates, Stiffeners, Backing Ring, Shims, Shapes ASTM B221 6063-T6 6061-T6 ASTM B209 6061-T6 ASTM B308 Railing ASTM B221 6351-T5 6061-T6 ASTM B241 ASTM B210 ASTM B429 J-Arm Tube ASTM B429 6061-T6 ASTM B221 J-Arm Connection Plate ASTM B209 6061-T6 Sheet ASTM B209 6061-T6 5154-H38 5052-H38 Structural Shapes ASTM B308 6061-T6 ASTM B221 Single Column Ground Sign Sand Castings ASTM B26 A356-T6 ASTM B108 A356-T61 Washers ASTM B221 7075-T6 2024-T4 FY 2023-24 Return to Table of Contents