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国外阀门材料常用技术标准 低温用合金钢与不锈钢栓接材料、化学要求（2）_阀门标准
国外阀门材料常用技术标准 低温用合金钢与不锈钢栓接材料、化学要求（2）
| 类型 | 奥氏体钢，1、1A、2级D | |||||||||
| 牌号 | B8T、B8TA | B8P、B8PA | B8F、B8FA | B8M、B8MA | ||||||
|
UNS 编号 |
S32100（321） | S30500 | S30300（303） | S30323（303Se) | S31600(316) | |||||
| 范围，% |
产品 偏差% |
范围，% |
产品 偏差% |
范围，% |
产品 偏差% |
范围，% |
产品 偏差% |
范围，% |
产品 偏差% |
|
| +或- | +或- | +或- | +或- | +或- | ||||||
| C | ≤0.08 | +0.01 | ≤0.08 | +0.01 | ≤0.15 | +0.01 | ≤0.15 | +0.01 | ≤0.08 | +0.01 |
| Mn | ≤2.00 | +0.04 | ≤2.00 | +0.04 | ≤2.00 | +0.04 | ≤2.00 | +0.04 | ≤2.00 | +0.04 |
| P | ≤0.045 | +0.010 | ≤0.045 | +0.010 | ≤0.20 | +0.010 | ≤0.20 | +0.010 | ≤0.045 | +0.010 |
| S | ≤0.030 | +0.005 | ≤0.030 | +0.005 | ≥0.15 | 0.020 | ≤0.06 | +0.010 | ≤0.030 | +0.005 |
| Si | ≤1.00 | +0.05 | ≤1.00 | +0.05 | ≤1.00 | +0.05 | ≤1.00 | +0.05 | ≤1.00 | +0.05 |
| Ni | 9.0-12.0 | 0.15 | 10.5-13.0 | 0.15 | 8.0-10.0 | 0.10 | 8.0-10.0 | 0.10 | 10.0-14.0 | 0.15 |
| Cr | 17.0-19.0 | 0.20 | 17.0-19.0 | 0.20 | 17.0-19.0 | 0.20 | 17.0-19.0 | 0.20 | 16.0-18.0 | 0.20 |
| Mo | … | … | … | … | … | … | … | … | 2.00-3.00 | 0.10 |
| Se | … | … | … | … | … | … | 0.15-0.35 | -0.03 | … | … |
| Ti |
≥ 5×C含量 |
-0.05 | … | … | … | … | … | … | … | … |
| N | ≤0.10 | 0.01 | … | … | … | … | … | … | … | … |
| 类型 | 奥氏体钢，1、1A | |||||||||
| 牌号 | B8LN，B8LNA | B8MLN，B8MLNA | ||||||||
|
UNS 编号 |
S30453 | S31653 | ||||||||
| 范围，% | 产品偏差% | 范围，% | 产品偏差% | |||||||
| +或- | +或- | |||||||||
| C | ≤0.030 | +0.005 | ≤0.030 | +0.005 | ||||||
| Mn | ≤2.00 | +0.04 | ≤2.00 | +0.04 | ||||||
| P | ≤0.045 | +0.010 | ≤0.045 | +0.010 | ||||||
| S | ≤0.030 | +0.005 | ≤0.030 | +0.005 | ||||||
| Si | ≤1.00 | +0.05 | ≤1.00 | +0.05 | ||||||
| Ni | 8.0-10.5 | 0.15 | 10.0-14.0 | 0.15 | ||||||
| Cr | 18.0-20.0 | 0.20 | 16.0-18.0 | 0.20 | ||||||
| Mo | … | … | 2.00-3.00 | 0.10 | ||||||
| N | 0.10-0.16 | 0.01 | 0.10-0.16 | 0.01 | ||||||
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