Chinese-made American standard steel plate grades ASTM SA517 classF Chemical composition of pressure vessel plates&Mechanical properties
ASTM SA517 classF Approaching Steel Plate Grade Lookup Table

ASTM SA517 classF  Chemical composition

Grade Chemical composition Remark
C Mn Si S P Cr Mo Ni V B Ti Cu Nb Zr
SA517 classF Smelting
Analysis
Finished Product Analysis 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 0.0005-0.006 Smelting
Analysis
Finished Product Analysis Smelting
Analysis
Finished Product Analysis Smelting
Analysis
Finished Product Analysis Smelting
Analysis
Finished Product Analysis
0.10-0.20 0.08-0.22 0.60-1.00 0.55-1.10 0.15-0.35 0.13-0.37 0.40-0.65 0.36-0.69 0.40-
0.60
0.36-
0.64
0.70-1.00 0.67-1.03 0.03-0.08 0.02-0.09 0.15-0.50 0.12-0.53

ASTM SA517 classF  Mechanical properties

Grade Mechanical properties Remark
ReH Rm KV₂ Elongation(%) Area reduction
(Circular sample)
Area reduction
(Rectangular specimen)
SA517 classF Steel plate thickness
≤2.5inch
(65mm)
Steel plate thickness>
2.5inch~6inch
(65~150mm)
Steel plate thickness
≤2.5inch
(65mm)
Steel plate thickness>
2.5inch~6inch(65~150mm)
Steel plate thickness
≤2.5inch
(65mm)
Steel plate thickness>
2.5inch~6inch(65~150mm)
Steel plate thickness
≤2.5inch
(65mm)
Steel plate thickness>
2.5inch~6inch(65~150mm)
Steel plate thickness
≤2.5inch
(65mm)
Steel plate thickness>
2.5inch~6inch(65~150mm)
690 620 795-930 725-930 ≥16 ≥14 ≥35 ≥45 ≥45