High-Quality Hot Rolled S355jr Steel Ring for Heavy Machinery

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Model NO.: A+ steel ring forging
• Molding Technics: Pressure Casting
• Application: Machinery Parts
• Material: Steel
• Heat Treatment: Quenching
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.2mm
• Standard: AISI
• Certification: CE, ISO 9001:2008
• Size: 1/4'' to 500''
• Technology: Forged
• Condition: New
• Certificates: ISO 9001
• Transport Package: Box or Wooden Package
• Specification: steel milling ring
• Trademark: st52 steel ring part
• Origin: Jiangsu
• HS Code: 7326
• Production Capacity: 3000 Ton/Month

Product Description

Name: Hot forging st52 s355jr 42crmo4 s355 lf2 steel ring part /steel retaining rings

SIZE: Ring forging/forged ring/annular forging/gear forging/steel sleeve/steel cylinders

Diameter(mm)	Height(mm)	Single weight(kg)	Material
800~3500	100~500	4200 or less	Carbon structure steel/alloy structure steel/low alloy steel/alloy steel/spring steel/stainless steel/heat resistant steel/high temperature alloy steel

Standards: ANSI, JIS, BS, DIN, UNI, EN, GB
Certifications: ISO19001-2008, ISO14001:2004,GB/T28001-2001(OHS18001:1999)

Seamless Rolled Ring Forging Process

I. Upsetting
The ring rolling process begins with the upsetting of the starting stock on flat dies at its plastic deformation temperature.
II. Piercing
Piercing involves forcing a punch into the hot upset stock displacing metal radially and leaving a thin web of metal at the bottom.
III. Shearing
A subsequent operation, shearing, removes the thin web producing a completed hole through the stock.
IV. Preforming
This stock, referred to as a blank or preform, is now ready for the ring rolling process.
V.Forming
The doughnut-shaped preform is placed over the mandrel.

As the preform is rotated in the mill, the mandrel begins to apply pressure toward the main roll. At the same time, the axial cones apply pressure toward each other.
As a result of the radial and axial pressure, the ring's OD and ID gradually increase while the thickness and wall section are reduced.

Axial forging/ forged shafts

Diameter(mm)	Height(mm)	Single weight(kg)	Material
180~1000	500~8500	12000 or less	Carbon structure steel/alloy structure steel/low alloy steel
180~650	500~6000	10000 or less	alloy steel/spring steel/stainless steel/heat resistant steel
150~400	400~3000	10000 or less	high temperature alloy steel

Ring forging/forged ring/annular forging/gear forging/steel sleeve/steel cylinder

Diameter(mm)	Height(mm)	Single weight(kg)	Material
800~3500	100~500	4200 or less	Carbon structure steel/alloy structure steel/low alloy steel/alloy steel/spring steel/stainless steel/heat resistant steel/high temperature alloy steel

Module forging/forging block

Thick(mm)	Width(mm)	Single weight(kg)	Materials
100~600	100~1600	18000 or less	Carbon structure steel/alloy structure steel/low alloy steel/alloy steel/spring steel/stainless steel/heat resistant steel/high temperature alloy steel

Forging bars

Diameter(mm)	Height(mm)	Single weight(kg)	Materials
80~650	16000	12000 or less	Carbon structure steel/alloy structure steel/low alloy steel
80~650	16000	10000 or less	alloy steel/spring steel/stainless steel/heat resistant steel/high temperature alloy steel

Forging discs

Diameter(mm)	Height(mm)	Single weight(kg)	Materials
150~1000	100~500	4200 or less	Carbon structure steel/alloy structure steel/low alloy steel/alloy steel/spring steel/stainless steel/heat resistant steel/high temperature alloy steel