TP304(0Cr18Ni9, 1.4301)不锈钢管 生产标准：GB/T14976-02,GB13296-07,GB/T12771-08,ASTM A312,ASTM A213,ASTM A269,ASTM A249,ASTM A789,ASTM A790,EN10216-5,EN10217-7,DIN17457,DIN17458,EN ISO 1127以及JIS 等 化学成分：C≤0.08 Mn≤2 P≤0.04 S≤0.03 Si≤0.75 Ni:8~11 Cr:18~20 基本性能: Ωb≥520Mpa；Ω0.2≥205Mpa；δ5≥35%