化学成分
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标准
|
牌号
|
化学成分（%）
|
|
|
|
|
|
|
|
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C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Ni
|
|
|
|
GB
6479
|
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
|
|
|
|
|
|
10MoWVNb
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0.07～0.13
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0.50～0.80
|
0.50～0.80
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≤0.030
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≤0.030
|
/
|
0.60～0.90
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/
|
|
|
15CrMo
|
0.12～0.18
|
0.17～0.37
|
0.40～0.70
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≤0.030
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≤0.030
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0.80～1.10
|
0.40～0.55
|
/
|
|
|
1Cr5Mo
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≤0.15
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≤0.50
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≤0.60
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≤0.030
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≤0.030
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4.00～6.00
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0.45～0.60
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≤0.60
|
|
|
12 Cr2Mo
|
0.80～0.15
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≤0.50
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0.40～0.70
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≤0.030
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≤0.030
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2.0～2.50
|
0.90～1.20
|
|
|
注：其中10的残余元素含量Ni≤0.25%、Cr≤0.15%、Cu≤0.20%
20的残余元素含量Ni≤0.25%、Cr≤0.25%、Cu≤0.20%、Mo≤0.15%、V≤0.08%
其他的残余元素含量Ni≤0.30%、Cr≤0.30%、Cu≤0.20%
16Mn高压化肥管重量计算公式:[(外径-壁厚)*壁厚]*0.02466=kg/米(每米的重量)
|
51*7
|
57*9
|
68*4
|
73*14
|
|
51*8
|
57*9.5
|
68*4
|
73*15
|
|
51*8.5
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57*10
|
68*4.5
|
73*16
|
|
51*9
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57*12
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68*5
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73*18
|
|
51*10
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57*14
|
68*5.5
|
73*20
|
|
规格
|
规格
|
规格
|
规格
|
|
76*3.5
|
83*11
|
95*12
|
108*14
|
|
76*4
|
83*12
|
95*12.5
|
108*15
|
|
76*4.5
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83*12.5
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95*14
|
108*16
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|
76*5
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83*13
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95*15
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108*18
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76*5.5
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83*14
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95*16
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108*20
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76*6
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83*15
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95*18
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108*22
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76*6.5
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83*16
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95*20
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108*25
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76*7
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83*18
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95*22
|
108*28
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|
76*8
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83*20
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95*25
|
108*30
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