EN 10255欧盟CE认证标准及适用范围 BS EN 10255-2004 焊接或加螺纹的非合金钢管－交货技术条件 BS EN 10255-2004 Non-alloy steel tubes suitable for welding and threading－Technical delivery conditions BS EN 10217-1-2019 压力用焊接钢管－交货技术条件－第1部分：规定室温性能的电焊和埋弧焊非合金钢管
EN 10255-This document specifies the requirements for circular non-alloy steel tubes suitable for welding and threading and provides a number of options for the finish of tube ends and coatings. This document covers tubes of specified outside diameter 10.2mm to 165.1mm（thread size 1/8 to 6） in two series, medium and heavy, and three types of designated thickness.
EN 10255非合金钢管欧盟认证CE认证－等级及设计 Classification and designation The steel specified in this document is classified as a non-alloy quality steel in accordance with EN 10020. The steel name S195T has been established in accordance with EN 10027-1. The steel name 1.0026… has been established in accordance with EN 10027-2.
EN 10255非合金钢管欧盟认证CE认证－主要测试项目 Reaction to fire Minimum specified yield strength Durability Dimensions Leak tightness
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