Hindi kinakalawang na asero welded tube para sa boiler heat exchanger at condenser

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Application ng produkto:
pagtatayo ng mga high-pressure power station boiler, superheated steam pipe, boiling water pipe at steam locomotive boiler pipe.
Karaniwang pagsunod:

ASTM A249 A688 A803

JIS G3463

DIN 17457

EN 10217-7

GB/T 24593

NB/T 47019

HG/T 20537.1

GB/T 151