As you know , GB/T 3077 15CrMo steel plate is alloy steel plate. katalor is professional supplier of GB/T 3077 15CrMo alloy steel plate .GB/T 3077 15CrMo alloy steel plate Low-alloy heat-resistant steel, stronger than 12CrMo steel, toughness slightly lower, at 500-550 ° C or less have a higher heat resistance and oxidation resistance, and good mechanical properties, machinability and cold strain plasticity good weldability fair.
GB/T 3077 15CrMo alloy steel plate Mainly used for the production of various caliber seamless steel pipe and sheet.. Main steam pipe for steam parameters of 510 ° C, 530 ° C steam parameters of boiler superheater tubes, catheters and high-pressure steam header, after quenching and tempering, at room temperature can be used to manufacture a variety of important parts of the work.
Note: The actual chemical composition of the steel quality books to prevail.
Carbon C: 0.12 ~ 0.18
Si: 0.17 ~ 0.37
Chromium Cr: 0.80 ~ 1.10
Copper Cu: ≤0.030
Mo: 0.40 ~ 0.55
Manganese Mn: 0.40 ~ 0.70
Sulfur S: ≤0.035
Phosphorus P: ≤0.035
Note: The actual mechanical properties of the steel quality books to prevail.
15CrMo yield strength σ0.2 (MPa): ≥295
15CrMo tensile strength: δbMPa ≥440
15CrMo elongation δ5%: ≥22
15CrMo hardness: ≤179HB
Hardening: Heat 900 ° C, coolant: air-cooled
Tempering: Heat 650 ° C, coolant: air-cooled
Notes: coil thickness ≤ 25mm
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