A519 无缝机械管
ASTM A519规范涵盖多种等级的碳钢和合金钢机械管, 热加工或冷加工. 机械管中使用的钢可以铸在锭中,也可以是钢绞线铸造. 当不同等级的钢依次连线铸造时, 需要识别生成的过渡材料. 无缝管是一种没有焊缝的管状产品. 它通常由热加工钢制成, 如有必要,还可以, 通过随后对热加工管状产品进行冷加工,以产生所需的形状, 尺寸和属性. 管子应按以下形状布置: 圆, 广场, 矩形和特殊截面. 应进行热分析以确定指定元素的百分比. 如果使用二次熔炼工艺, 热分析应从一个重熔锭或每个初级熔体的一个重熔锭的乘积中获得. 管材在成型前应涂上油膜,以在指定时延缓生锈
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ASTM A519规范涵盖多种等级的碳钢和合金钢机械管, 热加工或冷加工. 机械管中使用的钢可以铸在锭中,也可以是钢绞线铸造. 当不同等级的钢依次连线铸造时, 需要识别生成的过渡材料. 无缝管是一种没有焊缝的管状产品. 它通常由热加工钢制成, 如有必要,还可以, 通过随后对热加工管状产品进行冷加工,以产生所需的形状, 尺寸和属性. 管子应按以下形状布置: 圆, 广场, 矩形和特殊截面. 应进行热分析以确定指定元素的百分比. 如果使用二次熔炼工艺, 热分析应从一个重熔锭或每个初级熔体的一个重熔锭的乘积中获得. 管材在成型前应涂上油膜,以在指定时延缓生锈.
Features Specifications
外径(毫米) | Wall Thickness Unit(毫米) | |||||||||||||
2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 6.5-7 | 7.5-8 | 8.5-9 | 9.5-10 | 11 | 12 | |
Φ25-Φ28 | ● | ● | ● | ● | ● | ● | ||||||||
Φ32 | ● | ● | ● | ● | ● | ● | ||||||||
Φ34-Φ36 | ● | ● | ● | ● | ● | ● | ||||||||
Φ38 | ● | ● | ● | ● | ● | ● | ||||||||
Φ40 | ● | ● | ● | ● | ● | |||||||||
Φ42 | ● | ● | ● | ● | ● | |||||||||
Φ45 | ● | ● | ● | ● | ● | ● | ||||||||
Φ48-Φ60 | ● | ● | ● | ● | ● | ● | ● | |||||||
Φ63.5 | ● | ● | ● | ● | ● | ● | ● | |||||||
Φ68-Φ73 | ● | ● | ● | ● | ● | ● | ||||||||
Φ76 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ80 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ83 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ89 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ95 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ102 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ108 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ114 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ121 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ127 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ133 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ140 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ146 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ152 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ159 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ168 | ● | ● | ● | ● | ● | ● | ● | ● |
注意:
- DN — Nominal Diameter
- NPS —Nominal Pipe Size
化学成分 (%) of ASTM A519
年级 | C | 锰 | P≤ | S≤ | 四 | 铬 | 莫 |
1008 | ≤0.10 | 0.30-0.50 | 0.040 | 0.050 | – | – | – |
1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | – | – | – |
1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | – | – | – |
1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | – | – | – |
1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 | – | – | – |
1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 | – | – | – |
4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.050 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.050 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Mechanical Properties of ASTM A519
年级 | 条件 | MPa Tenslle Point | 屈服点 | 伸长 |
1020 | CW | ≥414 | ≥483 | ≥5% |
锶 | ≥345 | ≥448 | ≥10% | |
一个 | ≥193 | ≥331 | ≥30% | |
N | ≥234 | ≥379 | ≥22% | |
1025 | CW | ≥448 | ≥517 | ≥5% |
锶 | ≥379 | ≥483 | ≥8% | |
一个 | ≥207 | ≥365 | ≥25% | |
N | ≥248 | ≥379 | ≥22% | |
4130 | 锶 | ≥586 | ≥724 | ≥10% |
一个 | ≥379 | ≥517 | ≥30% | |
N | ≥414 | ≥621 | ≥20% | |
4140 | 锶 | ≥689 | ≥855 | ≥10% |
一个 | ≥414 | ≥552 | ≥25% | |
N | ≥621 | ≥855 | ≥20% |