Jual Welding Neck Flange

Jual Welding Neck Flange/ Weld Neck Flange are flanges that designed to be joined to a piping system by butt welding. the WN Flange is relatively expensive because of its long neck, but is preferred for high stress applications. The neck, or hub, transmits stresses to the pipe, reducing stress concentrations at the base of the Welding-Neck flanges. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the Weld Neck flange. The bore of the Weld-Neck flange matches the bore of the pipe, reducing turbulence and erosion.

jual welding neck flange

Spesification Welding Neck Flange

Material	Alloy steel (ASTM A234 WP12/ WP11/ WP22/ WP5/ WP9/ WP91) Stainless steel (ASTM A403 WP304/ WP304L/ WP316/ WP316L) Carbon steel (ASTM A234WPS, A234WPC, A420 WPL6), St45.8 A105 A106 STG42)
Standard	ANSI, B16.9, ASME, DIN2650, 2615, 2616, 2617, JIS B2311, 2312, 2313, EN 10253-11, EN10253-2
Type	LR 30, 45, 60, 90, 180 degree SR 30, 45, 60, 90, 180 degree 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D
Thickness	SCH5, SCH10, SCH20, SCH30, SCH STD, SCH40, SCH60, SCH XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS
Size	1/2-80 inch (DN15-DN2000)
Surface treatment	Anti-rust Oil, Transparent/ Yellow/ Black Anti-rust Paint, Zinc,
	Hot dipped Galvanized.
Inspection	Factory in-house self check or Third Party inspection
Packing	Wooden case, pallet or as customers’ requirement
Applications	Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc
Heat Treatment	Normalizing, Annealing, Quenching+Tempering

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