Heat-resistant Steels for Aeronautical Engines
1. GH2132 (Inconel 718)
Material composition: Ni 55-58%, Cr 17-21%, Mo 2.8-3.3%, Nb 4.75-5.5%, Ti 0.65-1.15%, Al 0.2-0.8%
Hardness: HRC 30-45
Heat-resistant temperature range: -253°C to 700°C
2. GH4169 (Inconel 625)
Material composition: Ni 58%, Cr 20%, Mo 8%, Ti 3.8%, Al 1.9%
Hardness: HRC 34-40
Heat-resistant temperature range: -253°C to 1000°C
1. Heat-resistant steel for petrochemical industry
1.1Cr5Mo (P5) Material composition: C 0.15%, Si ≤ 0.50%, Mn 0.30 - 0.60%, Cr 4.00 - 6.00%, Mo 0.45 - 0.65% Hardness: HB ≤ 187 Heat-resistant temperature range: -29℃ to 550℃
2. 15CrMo (P11) Material composition: C 0.12-0.18%, Si 0.17-0.37%, Mn 0.40-0.70%, Cr 0.80-1.10%, Mo 0.40-0.55%. Hardness: HB ≤ 217. Heat resistance temperature range: -29℃ to 550℃.
Heat-resistant steel for boilers and pressure vessels
1.15CrMoR Material composition: C 0.12-0.18%, Si 0.17-0.37%, Mn 0.40-0.70%, Cr 0.80-1.10%, Mo 0.40-0.55%. Hardness: HB ≤ 217. Heat resistance temperature range: -29℃ to 550℃.
2. 13CrMo44 Material composition: C 0.15-0.18%, Si ≤ 0.50%, Mn 0.40-0.70%, Cr 0.70-1.10%, Mo 0.40-0.60%. Hardness: HB ≤ 229. Heat resistance temperature range: -29℃ to 550℃. The above are some common heat-resistant steel grades and their temperature parameters. These grades all have certain heat resistance properties, but the specific selection needs to be comprehensively considered based on the working environment and requirements.
