China GB GB/T 14992 (2005) , GB/T 14994 (2008) , GB/T 14995 (2010) , GB/T 14996 (2010) , GB/T 14998 (1994) , GB/T 15062 (2008) , GH3030 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | GH3030 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials | 
| C | Cr | Ni | Al | Ti | Fe | Si | Mn | P | S | 
|---|---|---|---|---|---|---|---|---|---|
| ≤0.12 | 19.0 -22.0 | ≤Remainder | ≤0.15 | 0.15 -0.35 | ≤1.5 | ≤0.80 | ≤0.70 | ≤0.030 | ≤0.020 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 791 (≥) | 753 (≥) | 42 | 34 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.43 | - | |||
| 971 | 849 | - | 13.3 | 331 | - | ||
| 144 | - | 13 | 24.2 | 133 | 212 | 
Heat treated : 1477°C - 1669°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| GH3030 | 
| GB/T 14992 (2005) | Classification and designation for superalloys and high temperature intermetallic materials | GB-T-14992--(2005)--.pdf | 
| GB/T 14994 (2008) | Cold brawn heat-resisting superalloy bars | GB-T-14994--(2008)-.pdf | 
| GB/T 14995 (2010) | Hot-rolled superalloy sheets | GB-T-14995--(2010)-.pdf | 
| GB/T 14996 (2010) | Cold-Rolled heat-resisting superalloy sheets | GB-T-14996--(2010)-.pdf | 
| GB/T 14998 (1994) | Heat-resisting superalloy blanks for forged rings | GB-T-14998--(1994)-.pdf | 
| GB/T 15062 (2008) | Superalloy tube for general application | GB-T-15062--(2008)-.pdf | 
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com