Jiangsu Rongcheng  Forgings Co.,Ltd
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Contact:   Bill Keh
Tel:        0086 512 58519806
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Your present location:Home -> Product categories -> Seamless Hot Rolled Rings -> SCM440 Hot Forged Rings/Forging Parts

SCM440 Forged Rings,SCM440 Ring Gears,SCM Forged Flanges/Disks


SCM440 is Chrome Moly High Tensile Steel, according to the standard of JIS G4105.


The Chemical composition of SCM440:                                                                                                                 


Steel Grade Chemical composition
Ç Mn Si P S Cr Mo
SCM440 0.38-0.43 0.60-0.85 0.15-0.35 0.30 MAX 0.30 MAX 0.90-1.20 0.15-0.30


With the heat treatment for SCM440 ring forgings, using anealed, normalized, Quenched and Tempered to meet the requirements of customers. 

Mechanical Properties of SCM440 after Heat treatment:

Tensile Strength:    130 KSI Min  (896 N/mm²)

Yield Strength:        110 KSI Min  (758 N/mm²) 

Elongation:               13%

Red of Area:              30% 

There are three miils: ø 1600mm, ø 3000mm, ø 5000mm ring roller mills, forging workshops.

With machining, heat treatment workshops and experienced workers, enable our company manufactures all kinds of ring forgings, seamless rolled ring products to support our customer worldwide.

Seamless rolled rings and Forged rings for Capital Equipment Industry

L Seamless rolled rings for slewing rings

L Seamless rolled rings for neck rings

L Seamless rolled rings for large gear rings and crown gears

L Seamless rolled rings for pinion gears

L Seamless rolled rings for connecting flanges

L Seamless rolled rings for couplings

L Seamless rolled rings for sealing rings

L Axles and rollers for roller mills

  • Name: SCM440 Hot Forged Rings/Forging Parts
  • Numbers: SR1123
  • Shelves time: 2013-10-10