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Carbon-Steel Shapes and Plates: ASTM A 36/A 36M except silicon (Si) content in the range of 0 to 0.03% or 0.15 to 0.25% for materials to be galvanized. Steel with chemistry conforming to the formula Si + 2.5P 0.09 is also acceptable.
Carbon-Steel Headed Studs: ASTM A 108, Grades 1018 through 1020, cold finished and bearing the minimum mechanical properties for studs as indicated under MNL 117, Table 3.2.3.; AWS D1.1, Type A or B, with arc shields.
Carbon-Steel Plate: ASTM A 283/A 283M.
Malleable Iron Castings: ASTM A 47/A 47M. Grade 32510 or 35028.
Carbon-Steel Castings: ASTM A 27/A 27M, Grade U-60-30 (Grade 415-205).
High-Strength, Low-Alloy Structural Steel: ASTM A 572/A 572M except silicon (Si) content in the range of 0 to 0.03% or 0.15 to 0.25% for materials to be galvanized. Steel with chemistry conforming to the formula Si + 2.5P 0.09 is also acceptable.
Carbon-Steel Structural Tubing: ASTM A 500, Grade B.
Wrought Carbon-Steel Bars: ASTM A 675/A 675M, Grade 65 (Grade 450).
Deformed-Steel Wire or Bar Anchors: ASTM A 496 or ASTM A 706/A 706M.
ASTM A 307 defines the term “studs” to include stud stock and threaded rods.
Carbon-Steel Bolts and Studs: ASTM A 307, Grade A (ASTM F 568M, Property Class 4.6) carbon-steel, hex-head bolts and studs; carbon-steel nuts (ASTM A563/A563M, Grade A); and flat, unhardened steel washers (ASTM F844).
High-strength bolts are used for friction-type connections between steel members and are not recommended between steel and concrete since concrete creep and crushing of concrete during bolt tightening reduce effectiveness.
High-Strength Bolts and Nuts: ASTM A 325/A 325M or ASTM A490/A490M, Type 1, heavy hex steel structural bolts, heavy hex carbon-steel nuts, (ASTM A563/A563M) and hardened carbon-steel washers (ASTM F436/F436M).
Retain paragraph and subparagraph below if galvanized finish is required. Revise locations of galvanized items if required. Field welding should generally not be permitted on galvanized elements, unless the galvanizing is removed or acceptable welding procedures are submitted. Hot-dip galvanized finish provides greater corrosion resistance than electrodeposited zinc coating. Electrodeposition is usually limited to threaded fasteners.