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American Standard ASTM steel wire and wire rope standard ASTM a313 chromium nickel stainless steel and heat resistant spring wire ASTM a478 chromium nickel stainless steel wire and heat resistant steel braided wire ASTM A555 general technic.
American Standard ASTM seamless and welded steel pipe standard ASTM A213 Seamless Ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers ASTM A249 austenitic steel welded steel tubes for boilers, superheater.
Seamless steel pipe is a long strip of steel with hollow section and no joint around it. Seamless steel pipe has hollow section and can be used as pipeline for conveying fluid, such as pipeline for conveying oil, natural gas, gas, water and.
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