We are best auto weld pipe fitting manufacturer in China over 20 years. All the large sizes weld fitting with plate from reputation factory, we have full weld fitting production line include auto cutting welding plates , CAD forming plate, auto weld, over DN2500 sand blasting machine and NDE test laboratory, we also offer surface 3PE, FBE, EPOXY coating service.
Large size auto weld pipe fitting, Big size auto weld pipe fitting
Alloy Steel :
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-75, AWWA C208, ASME B31.4
Size : 48" (1200 NB) to 144" (3400NB)
Type : SAW Auto Welded / SAW Auto Fabricated/GTAW/ SAW/ SMAW
Thickness : Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Insepection: All weld seam NDE inspection
Design: Weling joint design, weld map design, dimension pressure design, ASME B31.4,WPS, PQR
Welding material: SFA specification ER70S-6, E7018-1 H4,EH12K etc
Heat treatment: PREHEAT,POSTWELD HEAT TREATMENT,Normalized, Temper etc
Steel Fittings, Butt Weld range:
90° Long Radius Elbow
90° Short Radius Elbow
45° Long Radius Elbow
45° Short Radius Elbow
180° Long Radius Elbow
180° Short Radius Elbow
Equal Tee
Reducing tee
Lateral
Dummy pipe elbow
WYE tee
Cross
Reducing Cross
Concentric Reducer
Eccentric Reducer
Pipe Cap
Stub End
Audited Supplier 
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