执行标准 : GB1479-2000(高压化肥设备用无缝钢管)。
用途 :用于高压化肥管设备和管道用优质碳素钢、低合金钢和合金钢无管
主要钢级牌号 : 10 、 20 、 16Mn 、 10MoWVNb、12CrMo、12Cr2Mo等
化学成分、机械性能 :
牌号
Grade
|
化学成分 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
|
牌号
Grade
|
抗拉强度
Tensile strength, Mpa
|
屈服点
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
|