Jiangsu Rongcheng  Forgings Co.,Ltd
International Trading Department:
Contact:   Bill Keh
Tel:        0086 512 58519806
Fax:        0086 512 58519801
Mobile:  0086 159 5095 8397
Your present location:Home -> Product categories -> Seamless Hot Rolled Rings -> Forged rolled ring SAE 4140 Quenched and tempered

Forged rolled ring SAE 4140 Quenched and tempered


Material: SAE 4140


Process:  Hot Rolled + Normalized + Rough Machining + Quenched and Tempered + Ultrasonic Test


Heat treatment:  Quenched and Tempered (Q+T)


Test and Inspection: Hardness test, NDT test (UT)


With good heat treatment, rings could reach hardness standard that could meet the requirement of what your product need to reach, no cracks, no blows (Magnaflux test) 


What we can support you:

All Seamless rolled rings can be supplied with weld overlay according to your requirement

The strict use of high quality raw material is guaranteed and proved by raw material certificate with each delivery.


How we control quality for customers:

1.Chemical checking in the Qualified Lab


2.NDE after Rough Machining


3.Mechanical testing after Heat Treatment


4.Final NDE, Dimensions check



  • Name: Forged rolled ring SAE 4140 Quenched and tempered
  • Numbers: SR1030
  • Shelves time: 2013-05-23