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ANSWER: GMW3399 is the specification covers the requirements for continuous cast, hot rolled or cold rolled steel sheet with specified tensile strength from 450MPa through 1860MPa.
GMW3399 CR MS1100 is cold rolled uncoated and coated steel coil or sheet , Martensitic(MS) quality.
CR MS1100 is Martensitic quality steel. The delivery condition of CR MS1100 steel can be common cold rolled( non coated), and Hot galvanized (coated).
“CR” means cold rolled, “1100T” means min tensile strength is 1100MPa, “860Y” means min yield strength is 860MPa.
The exact mechanical property requirements of CR MS1100 is : Yield strength: 860-1100MPa, tensile strength is 1100-1300MPa, total Elongation in 80mm is min 3.0%, Bending radius longitudinal and transverse is min 4.0t
