联系我们
Contact us
全国服务热线：
13290253000
聊城市绿洲安防科技有限公司
电话：0635-8661688、8668688
手机：13290253000
地址：山东省聊城市经济开发区
| 德标ST52不锈钢复合管护栏是什么材质|st52是什么钢 | ||
| 双击自动滚屏 | 发布者：管理员 发布时间：2017/12/15 阅读：1610次 【字体：大 中 小】 | |
石油套管 石油套管 st52相当于Q345B，或者16mn 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 | ||
| ||
