GH3030 Alloy Bar Description
China CBT GH3030 Forged Iron/Nickel-Based High Temperature Alloy and GH3030 Mechanical Properties and Chemical Element Comparison Data Table.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | GH3030 | GBT | China | Wrought Fe/Ni-base superalloy |
| GH2696 | |||||
| GH2706 | |||||
| GH2747 | |||||
| GH2761 | |||||
| GH2901 | |||||
| GH2903 | |||||
| GH2907 | |||||
| GH2909 | |||||
| GH2984 | |||||
| GH3007 |
Chemical Composition (mass fraction) (wt.%) of GH3030
| C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | Cu (%) | B (%) | Nb (%) | Al (%) | Ti (%) | Fe (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤ 0.12 | 0.80 | 0.70 | 0.030 | 0.020 | 19.00 – 22.00 | Bal. | – | ≤ 0.20 | – | – | ≤ 0.15 | 0.15 – 0.35 | ≤ 1.50 |
Mechanical Properties of Steel Grade GH3030
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (σk) | Elongation A (%) | Reduction in Cross Section on Fracture Z (%) | As-Heat-Treated Condition | Brinell Hardness (HBW) |
|---|---|---|---|---|---|---|
| ≥ 957 | ≥ 698 | 41 | 22 | 24 | Solution and Aging, Annealing, Ausaging, Q+T, etc. | 413 |
Physical Properties of Steel Grade GH3030
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | – | – | – | – | 0.44 | – | – |
| 238 | 439 | – | 34.3 | 322 | – | – | – |
| 347 | – | 32 | 42.2 | – | – | 122 | 334 |
Heat Treatment of steel grade GH3030
Heat treated :1443°C - 1253°C
Cross Reference Table (Equivalent Grade) of GH3030
| Grade | Standard | Country | Application |
|---|---|---|---|
| GH3030 | GBT | China | Solid solution strengthening type iron base alloy |
| GH3030 | GBT | China | Wrought Fe/Ni-base superalloy |
| HGH3030 | GBT | China | Super alloy welding wire |
Why Choose Gnee as Your Nickel-Based Alloy Supplier
✅ Over 18 years of export experience, products sold to more than 80 countries
✅ Certified by ISO, SGS, and BV
✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars
✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging
✅ Fast delivery within 7-15 days, supported by global logistics partners

Gnee Alloy GH3030 Certificate
📦 Packaging and Shipping
All Nickel Based Alloy products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express

Gnee Alloy GH3030 Product Packing
⚒️Gnee Alloy Production Line Equipment and Product Testing


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