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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 CR1100T/860Y-MS is cold rolled uncoated and coated steel coil or sheet , Martensitic(MS) quality.
CR1100T/860Y-MS is Martensitic quality steel. The delivery condition of CR1100T/860Y-MS steel can be common cold rolled( non coated), and Hot galvanized (coated).
“CR&rdquo means cold rolled, “1100T&rdquo means min tensile strength is 1100MPa, “860Y&rdquo means min yield strength is 860MPa.
The exact mechanical property requirements of CR1100T/860Y-MS 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
