Nickel alloy rod K403

high-temperature

Product Overview
K403 Cast Superalloy is a nickel-based cast superalloy grade engineered for precision cast components subjected to high temperatures and mechanical stress. Manufactured in Zhejiang, China by Shuaiyi, the material conforms to GB/T 14992-2025 and is supplied in cast shapes ready for finishing operations. Typical mechanical performance includes elongation ≥ 8%. Sizes are produced to customer requirements; MOQ is 200 kg (flexible). Standard seaworthy packaging and sample availability are offered.

Key Features

• Nickel-based chemistry with Cr, Mo, Co, Al and Ti for high-temperature strength
• Precision casting and machining services available
• Manufactured to GB/T 14992-2025 standard
• Annual factory certifications: ISO9001, CE, SGS
• Production capacity to support large orders (factory output reported)
• Flexible payment: T/T, L/C and others
• Samples available; standard export packaging

Application Scenarios

• Gas turbine guide vanes
• Turbine rotor blades and industrial turbine components
• Turbocharger components
• High-temperature castings for power generation and aerospace-related industrial uses

Chemical Composition (%)
C: 0.11–0.18
Cr: 10–12
Ni: Remainder
Co: 4.5–6
W: 4.8–5.5
Mo: 3.8–4.5
Al: 5.3–5.9
Ti: 2.3–2.9
B: 0.012–0.022
Zr: 0.03–0.08
Ce: ≤ 0.01
Fe: ≤ 0.5
Si: ≤ 0.2
Mn: ≤ 0.2
P: ≤ 0.02
S: ≤ 0.01

Technical Specifications

• Alloy: Yes (nickel-based)
• Material: Nickel-based cast superalloy
• Grade: K403 (equivalent K3 / ЖС6К)
• China ISC No.: C84030
• Shape: Casting / Cast components
• Processing services: Precision casting, machining
• Chemical ranges: see composition
• Elongation: ≥ 8%
• Place of origin: Zhejiang, China
• Brand Name: Shuaiyi
• Size: As required by customer
• MOQ: 200 kg (flexible)
• Standard: GB/T 14992-2025
• Package: Standard seaworthy package
• Sample: Available