May 21, 2026 Leave a message

Gnee Alloy Stock Guide To GH3030 High Temperature Alloy Rods

 

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

gh3030

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

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 Gnee Alloy GH3030 Product Packing

 

⚒️Gnee Alloy Production Line Equipment and Product Testing

Gnee Alloy GH3030 Product Testing
Gnee Alloy GH3030 Product Testing
Gnee Alloy GH3030 Production Equipment
Gnee Alloy GH3030 Production Equipment

Contact us for the latest export price quote for GH3030 Alloy

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