20#无缝钢管

点击次数299386  发布时间:2013-01-07 15:10:26  信息来源:山东无缝钢管厂|http://www.gaoyaguans.com
 
  
产品名称:
20#无缝钢管
规  格:
齐全
产品备注:
20#无缝钢管
 
 产品说明:

牌号:20钢

 

  标准:GB8162-2008GB/T8163-2008GB3087-2008GB9948-2006GB5310-2008

 

  强度比15号钢稍高,很少淬火,无回火脆性。冷变形塑性高、一般供弯曲、压延、弯边和锤拱等加工,电弧焊和接触焊的焊接性能好,气焊时厚度小,外形要求严格或形状复杂的制件上易发生裂纹。切削加工性冷拔或正火状态较退火状态好、一般用于制造受力不大而韧性要求高的。

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