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 無縫鋼管知識（shí） |
| 德（dé）標（biāo）ST52無縫管是什（shí）麽材質|st52是（shì）什（shí）麽鋼 |
| 雙擊自動滾屏 |
發布者：魯西萬正 發布時（shí）間：2011/3/9 閱讀：3450次 【字體：大（dà） 中 小】 |
石油套管 石油套管
st52相當於Q345B，或（huò）者16mn
化學成分如下： Chemical composition
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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