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While both ASTM A203 Grade B and ASTM A106 Grade B serve critical roles in industrial applications, they are fundamentally different in composition, purpose, and performance.2026-06-01
SAE 4130 alloy structural steel plate chemical component
SAE 4130 steel is a low-alloy structural steel containing chromium and molybdenum as strengthening agents. The SAE 4130 alloy structural steel plate has good strength and toughness, weld-ability and machinability.
SAE 4130 alloy structural steel plate chemical component Max (%):
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Mo |
|
SAE 4130 |
0.28-0.33 |
0.40-0.60 |
0.035 |
0.040 |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
SAE 4130 alloy structural steel plate offer good weld-ability without compromising steel abrasion and impact resistance. It is commonly used in structural applications, including gears, fasteners, and some aircraft exterior.
BEBON steel is a professional SAE 4130 alloy structural steel plate supplier in China. If you have the need of SAE 4130 alloy structural steel plate, please contact us at any times.