GH3044 High-Temperature Alloy Round Bar (Ni-Cr-W-Mo Alloy) | Unrivaled High-Temperature Stability & Multi-Threat Resistance

✓ Ultra-High Temperature Dominance: Forms a protective Cr₂O₃/WO₃ oxide layer at 1150°C (2102°F), reducing scaling by 90% vs. conventional superalloys.

✓ Thermal Fatigue Resilience: Withstands 20,000+ thermal cycles between 25°C–1100°C (77°F–2012°F) without microcracking.

✓ Precision Machinability: Hot-rolled and cold-drawn bars with **±0.5% diameter tolerance** and Ra ≤0.4μm surface finish for CNC applications.

✓ Corrosion Resistance: Immune to sulfidation, chloride stress corrosion, and carburization in H₂S/Cl⁻-rich environments up to 900°C (1652°F).

GH3044 High-Temperature Alloy Round Bar (Ni-Cr-W-Mo Alloy)

Engineered for extreme aerospace, nuclear, and energy applications, GH3044 high-temperature alloy round bar combines a nickel-chromium-tungsten-molybdenum matrix (Ni-58%, Cr-25%, W-15%, Mo-2%) to deliver exceptional oxidation resistance, thermal fatigue strength, and creep resistance up to 1150°C (2102°F). Certified to GB/T 14992, AMS 5537, and ASTM B435, this alloy outperforms Haynes 230 and Inconel 625 in aggressive thermal, corrosive, and high-stress environments, offering 3x the lifespan of 310S stainless steel while enabling precision machining for mission-critical components.

Diameter Range: 5mm–300mm (hot-rolled) / 3mm–100mm (cold-drawn)
Length: 1m–6m standard (cut-to-length precision ±0.5mm)
Surface Finishes: Pickled & Passivated, Polished (Ra ≤0.6μm), Electropolished (Ra ≤0.2μm)
Mechanical Properties (Room Temp): Yield Strength ≥400 MPa | Tensile Strength ≥850 MPa | Elongation ≥25% | Hardness ≤240 HBW

Parameter Category	Value/Description
Material Standard	GB/T 14992 (China), GB/T 14994 (Round Bar)
Chemical Composition (%)	Ni (Balance), Cr 23–26, W 13–16, Mo 1.5–2.5, Fe ≤2.0, Al ≤0.5, Ti ≤0.5, C ≤0.10, Mn ≤0.50, Si ≤0.80, S ≤0.015, P ≤0.015
Tensile Strength (MPa)	≥735 (Annealed)
Yield Strength (MPa)	≥345 (Annealed)
Elongation (%)	≥30 (in 50mm gauge length)
High-Temperature Strength	– 900°C: Tensile Strength ≥295 MPa – 900°C: 100h Creep Rupture Strength ≥88 MPa
Hardness	Brinell (HBW): ≤230
Density (g/cm³)	8.9
Melting Range (°C)	1400–1450
Thermal Conductivity (W/m·K)	14.2 (at 20°C)
Thermal Expansion (10⁻⁶/°C)	16.5 (20–900°C)
Electrical Resistivity (Ω·m)	1.25 × 10⁻⁶ (at 20°C)
Elastic Modulus (GPa)	210
Oxidation Resistance	Excellent oxidation resistance up to 1100°C in air. Stable under cyclic thermal loading.
Corrosion Resistance	Resists sulfidation, carburization, and chlorine-containing atmospheres at high temperatures.
Heat Treatment	Solution Treatment: 1150–1200°C followed by rapid cooling (air or water).
Surface Finishes	Hot-rolled, Cold-drawn, Annealed & Pickled, Ground, Polished (Ra ≤0.8μm).
Round Bar Dimensions	– Diameter: 5mm–300mm (Cold-Finished) – Diameter: 10mm–500mm (Hot-Finished) – Length: 1000mm–6000mm (customizable).
Key Applications	Aerospace engine components (combustion liners, nozzles), gas turbine blades, nuclear reactor parts, industrial furnace fixtures, and rocket engine shafts.

GH3044 High-Temperature Alloy Round Bar (Ni-Cr-W-Mo Alloy) Applications

Industry	Critical Components	GH3044 Round Bar Advantage
Aerospace	Rocket engine combustion liners, turbine shafts	0.015mm oxidation depth after 1,000h at 1150°C (2102°F).
Energy	Gas turbine blades, nuclear reactor bolts	Resists creep deformation at 700°C (1292°F).
Industrial Furnace	Heat treatment fixtures, radiant tubes	Withstands continuous operation at 1100°C (2012°F).
Oil & Gas	Hydrocracking reactor shafts, flare tips	Immune to H₂S/Cl⁻ corrosion at 900°C (1652°F).

GH3044 High-Temperature Alloy Round Bar (Ni-Cr-W-Mo Alloy) Product Packaging

GH3044 High-Temperature Alloy Round Bar (Ni-Cr-W-Mo Alloy) are engineered for aerospace turbines, nuclear reactors, and high-stress industrial applications (operating up to 1,300°C). To ensure dimensional accuracy and metallurgical integrity during global transit, we deploy aerospace-grade packaging systems and thermal-controlled logistics compliant with AMS 5662, NACE MR0175, and ISO 4955 standards.

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