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| Type: | Flange |
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First-level Category | Category Specification Range | Material Category | Standards | Application Scope |
Disc-shaped forgings | ≤φ2500mm, single weight below 10t | Q235, 20, A105, 16Mn, S355J2G3, A572Grade50, Q355, 35, 45, 40Cr, 35CrMo, 42CrMo, A3224140, 15CrMo, 16MnD, S30408(304), S30403(304L), S31608(316), S31603(316L), S32205(F60), S32168, 2Cr13, 0Cr13, 20MnMo, 5CrMnMo, 09MnNiD, SA266M, 40CrNiMoA, 12Cr2Mo1, Cr12, L210NS, 12CrMo, 20CrMo, 30Mn, 14Cr1Mo, 20CrMnTi, 20CrMnMo, 60Si2Mn, 12Cr1MoV, 37SiMn2MoV, 38CrMoAl, SA-350LF2, S22053, SA182F304H, SA-182 F347, SA-765 Gr.II,SA-965 F321, 17Cr2Ni2Mo, 30CrNiMo, 34CrNiMo6, 20MnMoNb | HG/T20592-2009, HG/T20615-2009, NB/T47021-23-2012, SH/T3406-2022, GB/T9119-2024, ASME B16.5-2020, ASME B16.47-2020, SH/T3425, GB/T25157-2010, JB/T82-2015, ASME B16.48, HG/T2136,JB/T82-2015, GB/T3775-2019, GB/T33084-2016, GB/T33083-2016, GBT/37400.8-2019 | Applicable to petroleum, chemical, pressure vessel, mechanical transmission, mold, shipbuilding, nuclear power, wind power, aerospace and other fields |
First-level Category | Category Specification Range | Material Category | Standards | Application Scope |
Shaft forgings | L≤8000mm, single weight below 10t | Same as above | Same as above | Same as above |
First-level Category | Category Specification Range | Material Category | Standards | Application Scope |
Square forging | ≤1500mm, single weight below 8t | Same as above | Same as above | Same as above |
First-level Category | Category Specification Range | Material Category | Standards | Application Scope |
Ring forgings | ≤φ3500mm, single weight below 6t | Same as above | Same as above | Same as above |
First-level Category | Category Specification Range | Material Category | Standards | Application Scope |
Tubular forging | ≤φ1800mm, single weight below 8t | Same as above | Same as above | Same as above |





