subject: Alloy Steel Pipe Department [print this page] 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
