42CrMo4(V), DIN1.7225, hot rolled rings for slewing rings
| Size Ranges |
OD from 500mm to 4, 800mm |
| Process |
Hot forged and ring rolled |
| Heat treatment |
Normalizing,
Q&T |
| Test and Inspection |
Hardness,
NDT test (UT) |
42CrMo4 (42CrMo4V) steel is often used for mechanical components that require case-hardending, particularly for mechanical applications that require high wear and fatigue contact resistances. These application also rely on standard survery hardness of about 600 HV and effective case depth greater than 200 µ M.
With good heat treatment, rings could reach hardness standard that could meet the requirement of slewing rings application.
Normally, 42CrMo4 hot rolled rings's end use is slewing ring bearings, need the heat treatment: Q+T to reach agreed hardness. Some times CK45 seamless rolled ring is another choice, it is more cheap for the raw material.
Jiangsu Rongcheng Forging Co., Ltd
Founded Year: 2007, 10 years developing from small factory to be a middle size manufacturer in seamless rolling forged rings & its products.
Rongcheng main business is manufacturing Forged Rings for big size bearings and slewing ring bearings:
--- industry application bearings
--- wind mill bearings
--- Others including forged rings for Flanges, forged rings for ring gears.
High quality because of the strict controlling of each process.
High quality helps us to have long-term and stable customers for cooperation
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
Audited Supplier 
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