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Welding Bosses

Our welding boss is one of the most popular forged fittings in our company. It is made according to BS3799-1974 standard, and is available in various materials such as carbon steel, alloy, stainless steel and more. As a result of its quality and hi-performance, our welding boss is widely used in a wide range of industries, such as power generation, petroleum, natural gas, chemical, shipbuilding, heating, papermaking, metallurgy and so on.

CLASS 3000, CLASS 6000

Carbon steel: A105
Alloy steel: A182 F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22
Stainless steel: A182 304-304H-304L-304N-304LN 316-316H-316L-316N-316LN 321-321H 347-347H
Low temperature steel: A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8
High performance steel: A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70


Industrial Processes
Die forging, Machining

Hebei shengtian pipe-fitting group co.,ltd is one of the foremost welding boss manufacturers and suppliers in China. Our welding bosses are ISO certified and are increasingly demanded in the global market. Apart from welding bosses, we also provide other forged fittings like socket weld elbows, socket weld tees, socket weld crosses and more.
Please contact us if you need any of our pipe fittings. Thank you!