Product or Service
40CrNiMoA/4340 alloy structural steel
Profile:Manufacturer - Producer|Ref:PSL210390YH | Country: China | Currency: usd | Export: No
High strength, high tenacity, good hardenability, and high resistance to thermal properties.
Used for the important quenched and tempered parts which request high strengh , high toughness and large section size, such as the transmission of the horizontal forging machine eccentric shaft, forging crankshaft.It is also used for manufacturing big sized important quenched-and-tempered parts which request good toughness and high strength. such as top load shaft ,steam turbine shaft, vane, and heavy-load transmission parts, fastening piece, crankshaft, gears etc.
C ：0.37～0.44 Si：0.17～0.37 Mn：0.50～0.80
S ：≤0.025 P ：≤0.025
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