jinlong5 发表于 2020-8-11 16:10:06

ASME BPVC-IIA-SA-217-217M-2017 SPECIFICATION FOR STEEL CASTINGS, MARTENSITIC STA

ASME BPVC-IIA-SA-217-217M-2017
SPECIFICATION FOR STEEL CASTINGS, MARTENSITIC
STAINLESS AND ALLOY, FOR PRESSURE-CONTAINING
PARTS, SUITABLE FOR HIGH-TEMPERATURE SERVICE

admin 发表于 2020-8-11 20:47:42

谢谢您的分享,金币已奖励!

草地飞龙 发表于 2021-2-18 21:58:19

资料很好，感谢论坛，感谢楼主！！
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