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MT 304L简介

牌号 MT 304L
对应标准 ASTM A554-2016
焊接不锈钢机械管
Welded Stainless Steel Mechanical Tubing
归类 奥氏体不锈钢
MT 304L 化学元素成分含量(%)
成分 C Si Mn P S Cr Ni
最小值 - - - - - 18 8
最大值 0.035 1 2 0.045 0.03 20 13
① For small diameter or thin walls, or both, where many drawing passes are required, a carbon content of 0.040 % max is necessary in grades MT-304L. Small outside diameter tubes are defined as those less than 0.500 in. (12.7 mm) in outside diameter and light wall tubes as those less than 0.049 in. (1.24 mm) in average wall thickness. 碳当量计算
MT 304L 机械性能
热处理或状态
抗拉强度
σb
Mpa
屈服点
σs
Mpa
断后伸长率或延伸率
δ
%
硬度
HBW
退火 ≥483 ≥172 ≥35 ≤192
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