Main standard
GB5310 "Seamless Steel Pipe for High Pressure Boilers"
GB/T13296 "Stainless Steel Seamless Steel Pipe for Boilers and Heat Exchangers"
ASTM/ASME A213/SA213 "Seamless Ferritic and Austenitic Alloy Pipe for Boilers, Superheaters and Heat Exchangers"
Specification size
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