Boiler tube

"standard

China National Standard

GB/T 3087, GB/T 5310, GB/T 6479, GB/T 9948, GB/T 13296

Japanese Industrial Standard

JIS G 3456, JIS G 3461, JIS G 3462

"use

For boiler water wall, economizer, reheater, superheater and steam pipe manufacturing

》Production specifications and materials

Specifications: 20--356×4--70

Material: 10, 20, 20G, 20MnG, 25MnG, 12CrMo, 12CrMoG, 15CrMo, 15CrMoG, 1Cr5Mo, 12CrMoVG, 12Cr1MoVG, 16Mn, 15MnV, 10MnWVNb, 12Cr2MO, 12SiMoVNb, etc.

》Steel pipe manufacturing method:

Hot rolled or cold drawn (rolled).

"delivery status:

GB/T3087 delivery status

1. Hot-rolled steel pipes should be delivered in a hot-rolled condition or normalized condition.

2. Cold drawn (rolled) steel pipes shall be delivered in normalized condition.

GB/T5310, GB/T9948, GB/T647 steel pipes should be delivered in heat treatment