1. Brand

GR1，Gr2，GR3，GR5，GR7，Gr12，Gr23;

2. Standard

ASTMb348、ASTM F136、ASTM F67、AMS sb4928

3. Dimensions and specifications

Φ 6~ Φ 500 (special specifications can be customized)

4. Supply status

Hot working state (R); Cold

Working status (y);

Annealing state (m); solid

Solution state (st).

5. Test method

Destructive test: physical property test,

Hardness test, chemical composition test,

Metallographic analysis;

Nondestructive testing: ultrasonic testing.