产品信息 - A234 WP91 Fittings->tube fittings

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Hebei Haiwei Pipeline Co., Ltd

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A234 WP91 Fittings

产品分类 :

機械與設備->五金及工具->其他->管件

产品描述

A234 WP91 Fittings
Hebei Zhongji manufacturer A234 WP91 fittings made from high quality alloy steel to ASTM A234 which can be used in various piping systems. The advantages of butt weld include:
Welding a fitting to the pipe means that it is permanently leak proof.
The continuous metal structure formed between the pipe and fitting adds strength to the system.
Smoother inner surface and gradual direction changed reduce the pressure losses and turbulence
and minimises the action of corrosion and abrasion.
A welded system utilises minimal space.

A234 WP91 Fittings Types
Elbows, Long Radius Elbow, Short Radius Elbow, Bend, Long Radius Bends, Piggable Bends, Tee, Equal Tee, Reducing Tee, Cross, Reducer, Concentric Reducer, Eccentric Reducer, Pipe End Caps.
A234 WP91 Fittings Dimensions
A234 WP91 Fittings Weight

ASTM A234 WP91 Specification

Scope
ASTM A234 covers wrought carbon steel and alloy steel fittings of seamless and welded construction covered by the latest revision of ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, and MSS-SP-97. These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures.

Process
Killed steel, with forgings, bars, plates, sheet, and seamless or fusion-welded tubular products with filler metal added. Forging or shaping operations performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations.

Heat Treatment
After forming at an elevated temperature, fittings 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 fittings are to be treated according to paragraph 7 in Specification A960/A960M.

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