Standard | Grade | Chemical Composition (wt%) | ||||||||
C | Si | Mn | P | S | Cu | Ni | Cr | Mo | ||
ASTM A519 | SAE 1020 | 0.18-0.23 | / | 0.30-0.60 | ≤0.040 | ≤0.050 | / | / | / | |
SAE 1030 | 0.28-0.34 | 0.60-0.90 | ≤0.040 | ≤0.050 | ||||||
SAE 1045 | 0.43-0.50 | / | 0.60-0.90 | ≤0.040 | ≤0.050 | / | / | / | / | |
SAE 1524 | 0.19-0.25 | 1.35-1.65 | ≤0.040 | ≤0.050 | ||||||
SAE 1541 | 0.36-0.44 | / | 1.35-1.65 | ≤0.040 | ≤0.050 | / | / | / | / | |
SAE 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.040 | ≤0.040 | 0.80-1.10 | 0.15-0.25 | |||
EN 10297-1 | E275 | ≤0.21 | ≤0.35 | ≤1.40 | ≤0.030 | ≤0.035 | / | / | / | / |
E315 | ≤0.21 | ≤0.30 | ≤1.50 | ≤0.030 | ≤0.035 | / | ||||
E355 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.030 | ≤0.035 | |||||
41Cr4 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.90-1.20 | ||||
34CrMo4 | 0.30-0.37 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.035 | / | 0.15-0.30 | 0.90-1.20 | ||
42CrMo4 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.035 | / | 0.15-0.30 | 0.90-1.20 | ||
JIS G3445 | STKM13A | ≤0.25 | ≤0.35 | 0.30-0.90 | ≤0.040 | |||||
STKM13B | ≤0.25 | ≤0.35 | 0.30-0.90 | ≤0.040 | / |
Tags: Seamless Steel Tube, Automotive tube, automotive structures tubes, Seamless Precision steel tube, ASTM A519, JIS G3445