美国试验材料学会
409好像是不锈铁
ASTM A240 Tp409 Stainless Steel Plate, Find Details and Price about Stainless Steel Plate 409 Plate from ASTM A240 Tp409 Stainless Steel Plate - Guangzhou Kingmetal Steel Industry Co., Ltd.
ASTM A240 TP409 Stainless steel plate 409 Stainless Steel Sheet offers economical corrosion resistance and good formability. It is especially useful for applications that require oxidation or corrosion protection beyond the capability of carbon steel and coated steels. 409 Stainless Steel Plate ... ...