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德标ST52无缝管是什么材质|st52是什么钢
发布者：山东普利通钢材有限公司 发布时间：2013/3/22 阅读：2604次
德标ST52无缝管是什么材质|st52是什么钢
石油套管 石油套管
st52相当于Q345B，或者Q345B<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
化学成分如下：<o:p></o:p>Chemical composition<BR>C <=0.20 <BR>Si <=0.55 <BR>Mn <=1.60 <BR>P <=0.030 <BR>S <=0.030 <BR>Cu <=0.55 <BR>N <=0.012<BR>Material Number<BR>1.0553<BR><BR>Steel group<BR>Non alloy quality steels: S…
石油套管 石油套管
st52相当于Q345B，或者Q345B
化学成分如下：
C <=0.20
Si <=0.55
Mn <=1.60
P <=0.030
S <=0.030
Cu <=0.55
N <=0.012
Material Number
1.0553
Steel group
Non alloy quality steels: Steels with average C > 0,25 < 0,55 % or Rm > 500 < 700 N/mm²
Symbol
S355J0; St 52-3 U †
Standards
DIN EN 10025-2 (04/2005)
Hot rolled products of structural steels. Technical delivery conditions for non-alloy structural steels.
International conformity
EN 10025-2 (2004)
Replaces
DIN EN 10025-2 (02/2005); DIN EN 10025 (03/1994); DIN EN 10113-2 (04/1993)
Way of deoxydation: rimmed is not permitted
With special cold workability: 1.0554; S355J0C
Former designation DIN 17100: St 52-3 U
Former designation of steels with special working properties,
Cold flanging: 1.0573; QSt 52-3 U
Cold drawing: 1.0597; ZSt 52-3 U
Cold roll forming: 1.0575; KSt 52-3 U
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