本頁關鍵詞:天津無縫鋼管廠、石油套管、API5L、L360管線管
● 標準 Standard
GB6479-2013 主要鋼級牌號:20、16Mn
● 用途 Uses
用于化肥設備上輸送高溫高壓流體管道
● 化學成份、機械性能 Chemical composition
牌號
Grade
|
化學成分 Chemical composition, %
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
V
|
W
|
Nb
|
Ni
|
P
|
S
|
10
|
0.07
~0.14
|
0.17
~0.37
|
0.35
~0.65
|
-
|
-
|
-
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
20
|
0.17
~0.24
|
0.17
~0.37
|
0.35
~0.65
|
-
|
-
|
-
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
16Mn
|
0.12
~0.20
|
0.20
~0.60
|
1.20
~1.60
|
-
|
-
|
-
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
15MnV
|
0.12
~0.18
|
0.20
~0.60
|
1.20
~1.60
|
-
|
-
|
0.04
~0.12
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
10MoWVNb
|
0.07
~0.13
|
0.50
~0.80
|
0.50
~0.80
|
-
|
0.60
~0.90
|
0.30
~0.50
|
0.50
~0.90
|
0.06
~0.12
|
-
|
≤0.030
|
≤0.030
|
12CrMo
|
0.08
~0.15
|
0.17
~0.37
|
0.40
~0.70
|
0.40
~0.70
|
0.40
~0.55
|
|
|
|
|
≤0.030
|
≤0.030
|
15CrMo
|
0.12
~0.18
|
0.17
~0.37
|
0.40
~0.70
|
0.80
~1.10
|
0.40
~0.55
|
-
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
1Cr5Mo
|
≤ 0.15
|
≤ 0.50
|
≤ 0.60
|
4.00
~6.00
|
0.40
~0.60
|
-
|
-
|
-
|
≤ 0.60
|
≤0.030
|
≤0.030
|
12Cr2Mo
|
0.08
~0.15
|
≤ 0.50
|
0.40
~0.70
|
2.0
~2.50
|
0.90
~1.20
|
-
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
12SiMoVNb
|
0.08
~0.14
|
0.50
~0.80
|
0.60
~0.90
|
-
|
0.90
~1.10
|
0.30
~0.50
|
-
|
0.04
~0.08
|
-
|
≤0.030
|
≤0.030
|
牌號
Grade
|
抗拉強度
Tensile strength, Mpa
|
屈服點
Yield point, Mpa
|
延伸率
Elongation min, %
|
|
|
10
|
335~490
|
205
|
24
|
|
20
|
410~550
|
245
|
24
|
|
16Mn
|
490~670
|
320
|
21
|
|
15MnV
|
510~690
|
350
|
19
|
|
12CrMo
|
410~560
|
205
|
21
|
|
15CrMo
|
440~640
|
235
|
21
|
|
|