Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of 1.4718 chemical composition jis suh1 in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
Our factory mainly produce below vavle steel grades:
Din 1.4718 X45crsi93 and jis suh1 china 4cr9si2 vavle steel
Din 1.4871 X53crmnni21-9 astm21-4N and JIS SUH35 vavle steel
DIN X40CrSiMo10-2 1.4731 JIS SUH3 China 4cr10si2mo vavle steel
21-2N X55CrMnNiN20-8 1.4875 x55cr2mn8ni2n vavle steel
AISI SAE EV8/JIS SUH35 suh11 suh1 1.4871heat resistant steel bar
Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients' requires.
1.4718 (also known as JIS SUH1) is a high-performance alloy steel, commonly used for manufacturing engine valves and other components exposed to high temperatures. It is particularly known for its excellent heat resistance and high strength in demanding applications like combustion engines.
Chemical Composition of 1.4718 (JIS SUH1):
Carbon (C): 0.30% - 0.40%
Silicon (Si): 1.50% - 2.00%
Manganese (Mn): 0.40% - 1.00%
Chromium (Cr): 4.50% - 5.50%
Molybdenum (Mo): 0.90% - 1.10%
Nickel (Ni): 1.00% - 1.50%
Vanadium (V): 0.10% - 0.30%
Phosphorus (P): ≤ 0.030%
Sulfur (S): ≤ 0.030%
Iron (Fe): Balance
Key Features Based on Composition:
Chromium (Cr): The chromium content provides excellent oxidation and corrosion resistance, which is crucial for parts exposed to high-temperature gases or fluids in internal combustion engines.
Molybdenum (Mo): Molybdenum contributes to enhanced high-temperature strength and thermal fatigue resistance, which is especially important for engine valves and components that undergo frequent heating and cooling cycles.
Nickel (Ni): Nickel increases the material's toughness and ductility, especially at high temperatures, making it more resistant to cracking.
Silicon (Si): Silicon boosts oxidation resistance and contributes to the steel's overall strength.
Vanadium (V): Vanadium is added to improve the steel's hardenability and strength, enhancing wear resistance.
Manganese (Mn): Manganese improves the toughness and hardness of the steel.
Applications:
Engine Valves: It is commonly used in the production of intake and exhaust valves for high-performance internal combustion engines, as it can withstand high thermal and mechanical stresses.
Valve Seats: In addition to valve heads and stems, 1.4718 is sometimes used for valve seats, where thermal resistance and wear resistance are required.
Exhaust Components: Due to its oxidation resistance, 1.4718 is also suitable for other exhaust system components exposed to aggressive thermal conditions.
4 1.4718 and1.4871 valvle steel chemical composition below
jis SUH 1 valve steel x45cr9si3 valvle steel bar 4cr9si2 from factory
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