Alloy Steel Pipe Department

15CrMo alloy steel pipe welding knowledge

15crmo alloy steel pipe: Steel Department of pearlite heat resistant steel at high temperature with higher heat resistance and oxidation resistance (b 440MPa), and has a certain resistance to hydrogen corrosion. The steel containing high contents of Cr, C and other alloying elements, steel hardened tendency is more obvious, poor weldability.

15CRMO alloy steel tube 15CrMo welding

Welding material: 15CrMo steel welding work characteristics, based on past experience with reference to foreign welding process card, we chose two options for welding test.

Program : welding preheat using ER80S-B2L wire T1G welding backing, E8018-B2, electrode, SMAW cover the surface, the local heat treatment after welding. Case : using ER80S-B2L wire T1G welding primer E309Mo-16 electrode, the electrode filled arc welding to cover up, post-weld heat treatment. The chemical composition and mechanical properties of wires and rods in Table 1.

15crmo alloy steel tubes chemical composition: Material C Si Mn Mo of Cr

15CrMo 0.12 ~ 0.18 0.17 ~ 0.37 0.40 ~ 0.70 0.40 ~ 0.55 0.80 ~ 1.10

Chemical composition and mechanical properties of welding materials

Model C, Mn Si Cr Ni of Mo S-P b / Mpa ,%

ER80S-B2L 0.05 0.70.41.2

by: steelpipes

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