astm a333和a334的区别
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发布时间：2022-04-20 10:27
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时间：2022-05-23 18:36
astm a333要求切口韧性，a334则不需要。
ASTM A333 Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications with Required Notch Toughness
低温和其它需要切口韧性的设备用无缝钢管与焊接钢管
ASTM A334 Standard Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service
低温用无缝与焊接碳素合金钢管钢管
