15CrMo Alloy Steel Plate GB ASTM EN Standard 1500mm 2000mm 2200mm Width

15CrMo Structural Steel Plate

● Product Name: Alloy structural steel

● Steel: 15CrMo

● Digital Code: A30152

● Steel Group Series: CrMo

● Implementation of the standards: GB / T3077-1999

● Delivery status: hot-rolled or annealed, the specific delivery status should be indicated in the warranty book.

● 15CrMo features:

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. Mainly used for the production of various caliber seamless steel pipe and sheet.

● chemical composition range of values:

Note: The actual chemical composition of the steel quality books to prevail.

Carbon C: 0.12 ~ 0.18

Si Si: 0.17 ~ 0.37

Chromium Cr: 0.80 ~ 1.10

Ni Ni: ≤0.030

Copper Cu: ≤0.030

Mo Mo: 0.40 ~ 0.55

Manganese Mn: 0.40 ~ 0.70

Sulfur S: ≤0.035

Phosphorus P: ≤0.035

● 15CrMo mechanical properties of a range of values:

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

● 15CrMo heat treatment process:

• Hardening: Heat 900 ° C, coolant: air-cooled
• Tempering: Heat 650 ° C, coolant: air-cooled

● 15CrMo Applications:

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.

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