Chinese-made American standard steel plate grades ASTM SA353 Chemical composition of pressure vessel plates&Mechanical properties
ASTM SA353 Approaching Steel Plate Grade Lookup Table

ASTM SA353  Chemical composition

Grade Chemical composition Remark
C Mn Si S P Cr Mo Ni V …
SA353 ≤0.13 Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis ≤0.035 ≤0.035 Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis
≤0.90 ≤0.98 0.15-0.40 0.13-0.45 8.50-9.50 8.40-9.60

ASTM SA353  Mechanical properties

Grade Mechanical properties Remark
ReH Rm KV₂ Elongation（%）
SA353 ≥515 690-825 ≥20