

ASTM A633 Grade C structural quality steel plate meets specifications covering normalized high-strength low-alloy structural steel plates for welded, riveted, or bolted construction; it is the standard specification for normalized high-strength low-alloy structural steel plates.HSLA steel plate A633GrC owned the minimum yield strength at 345Mpaand tensile strength within 485-620Mpa for thickness equal and belows 65mm,and shall be above 315Mpa and tensile strength within 450-590Mpa for thickness above 65mm.
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Other relative low alloy steel grades under steel standard ASTM and ASME are S/A572 Grade 42 steel plate,S/A572 Grade 50 low alloy steel plate,S/A572 Grade 60 steel plate,S/A572 Grade 65 low alloy plate,S/A633 Grade A steel plate,S/A633 Grade C low alloy steel plate,S/A633 Grade D steel plate,S/A633 Grade E alloy steel plate,S/A709 Grade 36 steel plate,S/A709 Grade 50 low alloy steel plate,S/A709 Grade 50W weathering steel plate,S/A709 Grade HPS 50W low alloy steel plate,S/A709 Grade HPS 70W steel plate.En10025 low alloy steel plate s275jr,steel plate s275j0,steel plate s275j2,s355jr+n steel plate,s355j0 steel plate,s355j2 steel plate.
Chemical composition of Product analysis for A633 Grade C low alloy steel plate (Max %)
Steel Grade |
Main chemical composition of A633 Grade C | |||||
C |
Si |
Mn |
P |
S |
Nb | |
A633Gr.C |
0.20 |
0.15/0.50 |
1.15/ 1.50 |
0.035 |
0.04 |
0.01/ 0.05 |