CRACK RESISTANCE OF THE METAL IN WELDING SEAMS OF GAS PIPES MADE OF STEEL TYPE-KH70

被引：0

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作者：

KOSHELEV, PF

SEMENOV, SE

GONCHARENKO, LV

LYGLAEV, AV

SAVVINOV, NI

KOTENZHI, YV

KOTOV, II

机构：

来源：

INDUSTRIAL LABORATORY | 1988年 / 54卷 / 11期

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D O I：

暂无

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

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页码：1314 / 1316

页数：3

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[42] A study of the high-temperature strength and crack resistance of the metal of the body of stop valve from high-chromium steel 15Kh11MFBL after long-term operation
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[43] Effect of the type of a stressed state on damage accumulation kinetics and crack resistance of steel plate 15Kh2MFA in different states. Communication 1. Stage character of the failure process of steel KP60
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[44] Intergranular Corrosion Resistance and Microstructure of Laser-Metal Active Gas Hybrid Welded Type 301L-MT Stainless Steel Joint
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[45] Formation of Dispersed Acicular Ferrite in the Structure of Cold-Resistant Welds at Temperatures down to –70°C during Manual Arc Welding at the Assembly of Metal Structures Made of 10KhSND Steel: Part 1
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[46] Corrosion resistance and mechanism of X100 pipeline steel laser-metal active gas hybrid welds with Cr containing welding wire in NS4 solution
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[47] Formation of Dispersed Acicular Ferrite in the Structure of Cold-Resistant Welds at Temperatures down to-70°C during Manual Arc Welding at the Assembly of Metal Structures Made of 10KhSND Steel: Part 1
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[48] Q: We fabricate a lot of carbon steel pipes. Occasionally we get a job that uses carbon steel pipes lined with stainless steel. Sometimes the liner is 304L, sometimes 316L. Since the pipes have a relatively small diameter, they can only be welded from the outside. In preparing the joint, we peel back the carbon steel to expose the stainless in the root area, then weld the root and one or two more layers with gas tungsten arc welding (GTAW) using 309L (for a 304L liner) or 309LMo (for a 316L liner) filler metal, and argon backing gas. We finish the joint with 309L or 309LMo covered electrodes or flux core. This seems like a waste of expensive filler metal. After we get the stainless steel root pass in place, why not finish with carbon steel filler metal?
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WELDING JOURNAL, 2018, 97 (03) : 22 - 23
[49] What is the appropriate minimum ferrite content for Type 347 stainless steel and weld metal? We weld by autogenous gas tungsten arc welding, so the base metal ferrite content matters a great deal. We are having difficulty locating a 347 base metal that complies with API RP 582, Welding Guidelines for the Chemical, Oil, and Gas Industries. We have been receiving heats that barely comply with a 3 Ferrite Number (FN) minimum. Our most recent heat does not comply
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WELDING JOURNAL, 2018, 97 (11) : 18 - 19

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