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ASTM A234Gr.WPB CR 42SCH40 SMLS ASME B16.9

ASTM A234 specification has many grades, such as WPB, WPC, WP5, WP9 WP11, WP12, WP22, WP91 and so on. There are the pressure grade ASTM A234 WPB Pipe Fittings in 1/2 inches to 24 inches nominal bore sizes with different wall thicknesses that correspond to the schedules.

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ASTM A234 is Standard Specification for wrought or forging steel pipe fittings includes carbon and alloy steel material for moderate and high temperature services. These A234 WPB pipe fittings include ASME SA 234 Gr WPB Pipe Tee, ANSI B16.28 Concentric reducer, eccentric Reducer, 5D/6D bend, elbow, unions, plugs, cross tee, pipe cap and nipple, ect for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures. WPB is the most commonly used carbon steel pipe fitting material for medium and high temperature application now, A234 WPB reducer can be made by steel pipe like ASTM A106 Gr.C or steel plate like ASTM A285 GR.C.

 

After forming at an elevated temperature, A234 WPB reducers are cooled to a temperature below the critical range under suitable conditions to prevent injurious defects caused by too rapid cooling, but in no case more rapidly than the cooling rate in still air. Heat treatment temperatures specified are metal (part) temperatures. Heat-treated ASME SA 234 Gr WPB Pipe reducers are to be treated according to paragraph 7 in Specification A960/A960M.Difficult designing firms, Steel plants, and so on. ASTM A234 WPB is Standard Specification for steel pipe fittings includes carbon and alloy steel material for moderate and high-temperature services. Applies both to heat and product analyses. We are the Manufacturer of ASTM A234 WPB Tee in Chian. Buy Large Diameter ANSI B16.9 ASTM A234 Gr WPB Cap At Factory Price in HT PIPE.

 

Chemical Composition % Of ASTM A234 Wp91 Pipe Fittings

Grade C Mn Si S P Cr Mo
A234 WP91 0.08-0.12 0.3-0.6 0.2-0.5 ≤0.02 ≤0.015 8-9.5 0.85-1.05
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