steven_sun1111 发表于 2021-1-20 16:03:18

AWS A4.2M:2006 (ISO 8249-2000 MOD)

分享： AWS A4.2M:2006 (ISO 8249-2000 MOD)

焊接 奥氏体和成双铁素体奥氏体镍-铬(Cr-Ni)不锈钢焊接金属中铁素体数(FN)的测定
Welding - Determination of Ferrite Number (FN) in austenitic and duplex ferritic-austenitic Cr-Ni stainless steel weld metals

kuaile 发表于 2021-1-21 09:12:39

:handshake

15058148938 发表于 2021-3-24 10:24:04

:):)

flyerchang 发表于 2021-4-5 07:41:08

谢谢分享

leaper 发表于 2024-4-5 19:03:17

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