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  • Common Defects For Erw Steel Pipe - China

    price: 550.00 Dollar US$

    ERW steel pipe from Threewaysteel pipe company, with its durable function, has devoted to various engineering projects nowadays. Of course, there are some points we should take care during the production of the ERW steel pipe. 1.Inclusions (fired black oxide) : inclusions may cause the bad performance like intensity and corrosion resistance problem. 2.Pre-arc (white burn oxidation): pre-arc would have the influence for hardness of the steel pipe. 3.Lack of fusion (slotted): slotted problem has similar affects like the inclusion. 4.Edge not Fusion (wavy edge): wavy edge would have the problem of leakage if they used for some fluid or gas transportation. 5.Lack of fusion in the center (cold welding center): Cold welding center has the influence for endurance too. 6.Rod welding (welding)
    7.Cast welding (weld welding)
    8.Pores (pinhole)
    9.Jump welding


    Company Contact:


    • Phone: 86-731-88678513

    • Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, changsha, hunan, China

    • Email: Email


    Published date: April 2, 2018 -

    • Business Description: Threeway Steel Co., Ltd is a world-class SSAW steel pipe manufacturer, one of the largest subsidiary in SHINESTAR HOLDINGS GROUP.As the company"s largest export base, we are committed to providing professional one-stop purchase service, he excellent quality control, competitive prices, convenient shipping and timely delivery.Currently, the customers have already been throughout all over the world.including Singapore, Vietnam, Egypt, Nigeria, the United Arab Emirates, Kuwait, Oman, Mexico, Colombia, Australia etc. In the future, Threeway co., ltd devote to bring unexpected exceptional experience for worldwide customer by the excellent strength and abundant experience.

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