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月度归档 18 12月, 2012

What Is Butt-Welding?

Butt-welding is the process of joining two pieces of material together along a single edge in a single plane. This process can be used on many types of materials, though metal and thermoplastics are the most common. When two sheets of steel are laid side-by-side and joined together along a single joint, this is an example of butt-welding.[……]

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邯宝钢铁成功开发出国内最厚规格X80管线钢

国内最厚规格X80管线钢在邯宝钢铁成功下线,经检验,其力学性能、落锤、金相等指标全部达到标准要求,产品填补省内空白,国内仅有几家企业具备生产能力;产品在18日发往中石油宝鸡钢管厂进行制管实验,表明管线钢在技术研发和产品应用上达到国内领先水平。[……]

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ASTM A350 LF2 Carbon Steel

ASTM A350-LF2 Temperature range (-50 to 800 deg. F) Where corrosion resistance is not important. This material is heat treated “Forgings of [LF2] shall be furnished in the normalized, or in the normalized and tempered, or in the quenched and tempered condition…”[……]

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