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Fluid tube

Fluid tube

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Fluid tube

"standard

GB/T 8163 China National Standard

ASTM A53M American Materials and Testing Association Standard

ASTM A106M American Materials and Testing Association Standard

JIS G 3454 JIS G 3455 JIS G 3456 Japanese Industrial Standard

"use

For oil, natural gas and other fluid transport

》Production specifications and materials

Specifications: 20--356×4--70

Material: 10, 20, Q345 (A, B, C, D, E), etc.

》Steel pipe manufacturing method:

Hot rolled or cold drawn (rolled).

"delivery status:

1. Hot-rolled steel pipes should be delivered in hot-rolled or heat-treated state. When a heat treatment condition is required for delivery, it should be stated in the contract.

2. Cold-drawn (rolled) steel pipes shall be delivered in a heat-treated condition. According to the requirements of the buyer, the supplier and the buyer negotiate and indicate in the contract that they can also be delivered in cold rolled (rolled) condition.