42CrMo4 Hot Rolled Ring (Q+T)

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Basic Info

Place of Origin:	Shenzhen China
Payment Type:	L/C, T/T

Product Description

42CrMo4(V), DIN1.7225, hot rolled rings for slewing rings
Products 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.

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

Rongcheng Ring Forgings Co.,Ltd stands for a worldwide leading manufacturer of Seamless Hot Rolled Rings, Large diameter flanges&Wind Tower Flanges, Ring Gears, Truck Tire mould and other Special forgings.

Establishes forging industry business from 2007. Covered 47,000 , 130 people work in the company.

With advanced forging equipment, CNC machines and experience operation persons, we manufacture prodcuts:

Seamless Rolled Rings for slewing ring bearings, wearing rings, wind turbine slewing rings, wind turbine blade bearings.

Seamless Rolled Rings for large standard flanges,large custom flanges,wind tower flanges.

Large diamter flanges, wind tower flanges are manufacture by our workshop.

Ring Gears, Solid tyre and wheels, Seamless rolled neck rings.

Main material: A105, SA350LF2, A694, C22, S235, S275, S355J0

42CrMo4, C45, S48C

S355NL, S355J2G2, S355JR,Q345E

With long years of experience in forging industry, Rongcheng support customers from Asia, European, USA, Mid East and etc, these customers are in the industry: capital equipment, petrolchemical, mining, energy , paper, metal working and etc.

Forging Workshop:

Until 2013, three production line are running every day to support customers both in domestic market and international market.

Production Line No.1: 1600mm Ring Roller

Production Line No.2: 2500mm Ring Roller

Production Line No.3: 5000mm Ring Roller

7000 Ton Hydraulic Press and 3000 Ton Hydraulic Press, supporting us to offer the products with big weight.

Machining Workshop:

With right CNC machines to support three production line, our machines let us to offer precision machining service up to 5000mm.

Heat Treating Workshop:

Normalizing (N), Quenching and Tempering (Q+T), N+Q+T are available with right ways, to meet the requirement of different materials of hot rolled ring prodcuts.

With right way of heat treatment to seamless rolled forged ring, we offered products with good performance on technical properties, like hardness, no cracks, good impcat and etc.

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