Forged 4340 steel typical applications are: heavy duty shafts, sprockets, duplex sprockets, gears, axles, spindles, couplings, pins etc. 4340 steel forging blanks will have high strength and high toughness after the hot forging and heat treatment. The mechanical properties of the 4340 steel will be increased greatly by the hot forging and heat treatment. Now they are widely used for the parts which requires high strength and high yield strength.
Our forged 4340 steel sprocket
The production process of this forged 4340 steel duplex sprocket is steel cutting, heating, hot forging, annealing, rough machining, non-destructive test, quenching & tempering, inspection, packing, delivery.
About us 4340 forged steel manufacturer
We are the leading manufacturer for forged 4340 steel in China. We supply quality 4340 steel forgings to the global market. Now we have supplied steel forgings to Germany, Bulgaria, Australia, Indonesia, Vietnam, Thailand, the Philippines, India. Our services can cover steel smelting, forging, rough machining, ESR (electroslag remelting) and heat treatment. Our steel forgings are widely used for shafts, sprockets, rings, tubes, barrels, wheels etc.
Our forging machines to make the forged 4340 steel
Now there are several different forging machines in our company. The forging force ranges from 1 ton to 3500 ton. The forged 4340 steel can range from 10kg to 20,000kg. These 4340 forgings can be 4340 shaft forgings, tube forgings, 4340 sprocket forgings, wheel forgings, ring forgings etc.
4340 forgings chemical composition (%)
| Steel grade | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
4340 steel equivalent materials
ASTM AISI 4340 steel equivalent to SAE, European (German DIN, British BSI, France NF), Japanese JIS and Chinese GB standard (for reference).
Why Choose Us
To be your best partner for your projects
Profession
We are a professional team to provide products which satisfy your demand.
Cooperation
Mutual benefit and long-term cooperation are our goals.
Service
Professional pre-sales and after-sales service to reduce your cost and save your time.
Quality
Strict with test for production & products and ISO quality management system.
Application Industries
Our steel forgings are widely used in wind power industry, chemical industry, machinery industry, automotive industry, marine industry, power plant industry, metallurgy industry, mining industry, petrochemical industry and other industries.