In modern industry, high performance alloy steels have been widely used for their unique mechanical properties and corrosion resistance. Among them, 15Ni1MnMoNbCu alloy steel pipe with its excellent performance characteristics, plays a pivotal role in many key fields such as oil exploitation, natural gas transmission, thermal power generation and so on. This paper will discuss the preparation process, properties, application fields and future development prospects of 15Ni1MnMoNbCu alloy steel pipe in detail.
15Ni1MnMoNbCu alloy steel pipe 15Ni1MnMoNbCu high pressure boiler tube
Products GB/T5310 seamless steel pipe for high pressure boilers
Product specifications: Outer diameter 57mm~762mm, wall thickness 3.0mm~140mm
Production method: hot rolling, delivery condition: heat treatment.
The product shall comply with TSG D7002 pressure pipeline element type test rules.
15Ni1MnMoNbCu seamless steel pipe chemical composition: carbon: 0.10~0.17, Silicon: 0.25~0.50, manganese: 0.80~1.20, molybdenum: 0.25~0.50, nickel: 1.0~1.30, aluminum: ≤0.050, copper: 0.50~0.80, niobium: 0.015~0.045, nitrogen: ≤0.020, phosphorus: no more than 0.025, sulfur: no more than 0.015
Mechanical properties: tensile strength 620~780MPa, yield strength ≥440MPa, elongation after breaking: longitudinal ≥17, transverse ≥17, impact work: longitudinal ≥40, transverse ≥27, Brinell hardness 190~255HBW, Vickers hardness 160~230HV, Rockwell hardness ≤25HRC.
