Chinese-made American standard steel plate grades ASTM A533 classA Chemical composition of pressure vessel plates&Mechanical properties
ASTM A533 classA Approaching Steel Plate Grade Lookup Table

ASTM A533 classA  Chemical composition

Grade Chemical composition Remark
C Mn Si S P Cr Mo Ni …
A533 classA 0.25 Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis 0.025 0.025 Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis Smelting
Analysis		 Finished Product Analysis
0.97-1.52 1.07-1.62 0.15-0.40 0.13-0.45 - - 0.45-0.60 0.41-0.64 - -

ASTM A533 classA  Mechanical properties

Grade Mechanical properties Remark
ReH Rm KV₂
A533 classA Level 1 Level 2 Level 3 Level 1 Level 2 Level 3 Level 1 Level 2 Level 3
50[345] 70[485] 83[570] 80-100[550-690] 90-115[620-795] 100-125[690-860] 18 16 16