GB/T8162 Seamless Steel Pipe
Date:2015-12-03 View(s):2972 Tag:seamless steel pipe, seamless carbon steel pipe, seamless steel pipe manufacturer
Application: Suitable for general structure, seamless steel pipe for mechanical structure.
Steel Grade:10、20、35、45、16Mn、12CrMo、15CrMo、12Cr1MoV.
Mechanical properties:
Standard
|
Steel grade
|
Tensile strength (MPa)
|
Yield strength (MPa)
|
Elongation (%)
|
GB/T8162
|
10
|
≥ 335
|
≥ 205
|
≥ 24
|
20
|
≥ 390
|
≥ 245
|
≥ 20
|
35
|
≥ 510
|
≥ 305
|
≥ 17
|
45
|
≥ 590
|
≥ 335
|
≥ 14
|
16Mn
|
≥ 490
|
≥ 325
|
≥ 21
|
12CrMo
|
≥ 410
|
≥ 265
|
≥ 24
|
15CrMo
|
≥ 440
|
≥ 295
|
≥ 22
|
12Cr1MoV
|
≥ 490
|
≥ 245
|
≥ 22
|
Chemical compositions:
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
|
12CrMo
|
0.08~0.15
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.25
|
≤0.30
|
0.40~0.55
|
0.40~0.70
|
15CrMo
|
0.12~0.18
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.25
|
≤0.30
|
0.40~0.55
|
0.80~1.10
|
12Cr1MoV
|
0.08~0.15
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.25
|
≤0.30
|
0.25~0.35
|
0.90~1.20
|