Seamless Steel Pipe for auto

our company offers inexpensive and high-quality steel tube and pipe
O.D.:38mm-325mm
W.T.:2mm-45mm

Mechanical Properties
Standard
Steel Grade
Chemical Composition
C
Si
Mn
P,S
Cu
Ni
Mo
Cr
GB/T8162
10
0.07~0.14
0.17~0.37
0.35~0.65
≤0.035
≤0.25
≤0.25
/
≤0.15
20
0.17~0.24
0.17~0.37
0.35~0.65
≤0.035
≤0.25
≤0.25
/
≤0.25
35
0.32~0.40
0.17~0.37
0.50~0.80
≤0.035
≤0.25
≤0.25
/
≤0.25
45
0.42~0.50
0.17~0.37
0.50~0.80
≤0.035
≤0.25
≤0.25
/
≤0.25
16Mn
0.12~0.20
0.20~0.55
1.20~1.60
≤0.035
≤0.25
≤0.25
/
≤0.25
ASTM A519
1020
0.18~0.23
/
0.30~0.60
≤0.040
/
/
/
/
1045
0.43~0.50
/
0.60~0.90
≤0.040
/
/
/
/
1541
0.36~0.44
/
1.35~1.65
≤0.040
/
/
/
/
EN10297-1
E275
≤0.21
≤0.35
≤1.40
≤0.030
/
/
/
/
E315
≤0.21
≤0.30
≤1.50
≤0.030
/
/
/
/
34CrMo4
0.30~0.37
≤0.40
0.60~0.90
≤0.035
/
/
0.15~0.30
0.90~1.20
42CrMo4
0.38~0.45
≤0.40
0.60~0.90
≤0.035
/
/
0.15~0.30
0.90~1.20
JIS G3445
STKM13A
≤0.25
≤0.35
≤0.60
≤0.040
/
/
/
/
STKM13B
≤0.25
≤0.35
≤0.60
≤0.040
/
/
/
/