ASTM A519规范涵盖了几个等级的碳素钢和合金钢机械管,无论是热加工或冷加工。
本ASTM A519规范涵盖了几个等级的碳素钢和合金钢机械管,无论是热加工或冷加工。
应用程序:
用于机械管的钢可以铸锭,也可以连铸。当不同等级的钢按顺序连铸时,需要鉴别所产生的过渡材料。无缝管是一种无焊缝的管状产品。它通常由热加工钢制造,如果有必要,随后对热加工管状产品进行冷加工,以生产所需的形状、尺寸和性能。
管子应配置成以下形状:圆形、方形、矩形和特殊截面。应进行热分析以确定所规定元素的百分比。如果采用二次熔炼工艺,则热分析应从一个重熔锭或每个初级熔体的一个重熔锭的产物中获得。当规定时,管材成型前应涂上一层油以防止生锈。本摘要是参考标准的简要摘要。它只提供信息,不是标准的正式组成部分;在使用和应用时,必须参考标准本身的全文。ASTM不对本摘要内容的准确、完整或最新做出任何明示或暗示的保证或任何声明。
尺寸范围(毫米):
OD(毫米) | 壁厚单元(毫米) | |||||||||||||
2 | 2.5 | 3. | 3.5 | 4 | 4.5 | 5 | 6 | 6.5 7 | 7.5 8 | 8.5 9 | -10 - 9.5 | 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 | ● | ● | ● | ● | ● | ● | ● | ● |
成绩:
注意:
ASTM A519钢级和化学成分(%):
年级 | C | 锰 | P≤ | S≤ | 如果 | Cr | 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 |
ASTM A519的机械性能:
年级 | 条件 | MPa Tenslle点 | 屈服点 | 伸长 |
---|---|---|---|---|
1020 | 连续波 | ≥414 |
≥483 |
≥5% |
老 | ≥345 | ≥448 | ≥10% | |
一个 | ≥193 | ≥331 | ≥30% | |
N | ≥234 | ≥379 | ≥22% | |
1025 | 连续波 | ≥448 | ≥517 | ≥5% |
老 | ≥379 | ≥483 | ≥8% | |
一个 | ≥207 | ≥365 | ≥25% | |
N | ≥248 | ≥379 | ≥22% | |
4130 | 老 | ≥586 | ≥724 | ≥10% |
一个 | ≥379 | ≥517 | ≥30% | |
N | ≥414 | ≥621 | ≥20% | |
4140 | 老 | ≥689 | ≥855 | ≥10% |
一个 | ≥414 | ≥552 | ≥25% | |
N | ≥621 | ≥855 | ≥20% |
请注意表2中以下缩写的含义:
管类型 | 管的大小 | 公差 | |
---|---|---|---|
冷拔 | OD | ≤48.3毫米 | ±0.40毫米 |
WT | ≥60.3毫米 | ±1%毫米 |
无缝机械管由碳素钢和合金钢制造,用于结构或其他机械用途,涉及加工或热处理,其中紧密的公差,光滑的表面,或明确的物理性能是重要因素。
范围
1.1本规范包括几种碳素钢和合金钢无缝机械管。frades列于表1、2和3中。当焊接用于连接可焊机械管等级时,焊接程序应适用于磨损、部件的状况和预期的使用。
1.2本规范包括无缝热加工机械管和无缝冷加工机械管,尺寸为外径达12 3/4英寸(322.8mm)的圆管,壁厚按要求而定。
1.3管子应按买方指定的下列形状提供:圆形、方形、矩形和特殊截面。
1.4提供了可选性质的补充要求,如有需要,应在订单中予以说明。
国际标准代号及相应的国外标准
JIS
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ASTM
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废话
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喧嚣
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NF
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ISO
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索引号 |
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年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
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3304
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MT1015
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STKM16A
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a49的- 311
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TUXC35
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STKM17A
|
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|
1050
|
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6323
|
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|
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|
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|
CFS8
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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2937
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TS18
|
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2393
|
ST52-3
|
C
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2938
|
Gr.1
|
C
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2394
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ST52-3
|
C
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3304
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R50
|
C
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3305
|
R50
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3306
|
R50
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STKM20A
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国际标准代号及相应的国外标准
JIS
|
ASTM
|
废话
|
喧嚣
|
NF
|
ISO
|
索引号 |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
标准数量 |
年级 |
处理模式 |
|
G3441
|
SCr420TK
|
Cr
|
|
|
|
|
|
|
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|
C018
|
|
SCM415TK
|
CrMo
|
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SCM418TK
|
CrMo
|
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6323
|
CFS10
|
CrMo
|
|
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SCM420TK
|
CrMo
|
A519
|
5120
|
CrMo
|
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SCM430TK
|
CrMo
|
A519
|
4130
|
CrMo
|
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SCM435TK
|
CrMo
|
A519
|
4135
|
CrMo
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SCM440TK
|
CrMo
|
A519
|
4140
|
CrMo
|
6323
|
CFS10
|
CrMo
|
|
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|
以英寸为单位的数值被视为标准。
yabo亚搏官网合金钢管中除碳元素外,还含有大量的其他元素,如镍、铬、硅、锰、钨、钼、钒和少量的其他普遍接受的元素,如锰、硫、硅和磷。
我们的团队是高度训练和经验丰富的服务和生产所有类型的钢铁供应。