產品中心
化肥設備用管

● 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