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ERW 鋼管製造工藝流程圖

ERW Steel Pipe Manufacturing Process Flow Chart

製造規格

產品 ERW
技術 High Frequency Electric Resistance Welding
用途 Foundation Piling, Offshore Line Pipe, Oil & Gas Transmission, Sour Service, etc.
標準 EN10219, EN10210, EN10217, API 5L PSL1/PSL2, API 2B, ASTM 53, ASTM A500, ASTM A672, ASTM 252, DIN 2458, IS 3589, GB/T3091, GB/T9711, etc.

S235, S275, S355, S450, Gr. B PSL1, X42 PSL1, Gr. B PSL2, X46 PSL1, X46 PSL2, X52 PSL1, X52 PSL2, X60 P
尺寸 OD 88.9 – 660mm
Thickness 3.05-15.9mm
Length ~18m
表面 Bare, Epoxy, 3PE, 3PP, Hot-Dipped Galvanized, Zinc, Vanish, Bitumen, etc.

檢查設施

UT Ultrasonic Test

Radiographic Test

Hydrostatic Pressure Test

Flattening Test

Online Flaw Detection for Coils

Online Flaw Detection for Plates

Online NDT Flaw Detection for Welding Seam

Charpy V-notch Test

Drop Weight Test

Spectroscope

Metallographic Microscope