Standard: ASTM b381Material: GR1 Gr2 GR5 GR7 GR12 GR9 GR23Delivery status: annealed state (m) hot working state (R) cold working state (y) (annealed, ultrasonic flaw detection)Packing: in cartons or wooden casesSurface treatment: polishing, chamfering
Product details: Product material map: Our materials are flame-retardant, safe and guaranteed, and approved by a variety of certificates. Product physical map: Our products have successful cases in more than 50 countries and are exported to overseas marke