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A691 1-1/4CR Pipes, A691 1-1/4CR Alloy Steel EFW Pipes

A691 specification covers carbon and alloy steel pipe, electric-fusion-welded with filler metal added, fabricated from pressure-vessel-quality plate of several analyses and strength levels and suitable for high-pressure service at high temperatures. Heat treatment may or may not be required to attain the desired mechanical properties. The pipes are classified according to steel grades and are SUS 304L steel in tanshan-Technology Park Pisek STEELgb6653 hp265 gas cylinders steel china Co. are Steel supplier in China,offer all kinds of steel plate stock,offer welded steel tanks for oi storage,API 650 tanks,API 620 tanksQ235B steel,A36 steel plate,A283Grade C steel,A572Grade 50,S235JR,St37-2,St52-3 steel.

Evolution of Weld Metal Microstructure in Shielded Metal

A shielded metal arc welding (SMAW) process was used to join the 12Cr2Mo1R heat resistant steel plates in a butt configuration with R407C welding electrode.