Guangdong, China
Business Type:
Trading Company
Main Products:
Management System Certification:
ISO 9001, ISO 9000, IATF16949
Export Year:
Main Markets:
Southeast Asia/ Mideast
OEM/ODM Service
Sample Available

Alloy steel, SAE52100 steel, SAE52100 steel bar manufacturer / supplier in China, offering Alloy Bearing Steel Round Bar SAE52100 EN31, 1.2311 P20 718 Alloy Steel Plate Flat Round for tools and dies, D2 SKD11 1.2379 Cr12Mo1V1 Cold Work Steel Tool Steel Round Bar and so on.

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  • Alloy Bearing Steel Round Bar SAE52100  EN31
  • Alloy Bearing Steel Round Bar SAE52100  EN31
  • Alloy Bearing Steel Round Bar SAE52100  EN31
  • Alloy Bearing Steel Round Bar SAE52100  EN31

Alloy Bearing Steel Round Bar SAE52100  EN31

Get Latest Price
Purchase Qty. / Reference FOB Price
3-9 Tons US $870
10-19 Tons US $850
20+ Tons US $830
Port: Shenzhen, China
Production Capacity: 1000t/Month
Payment Terms: L/C, T/T
Type: Alloy Steel Bar
Standard: AISI, ASTM, GB, JIS, DIN, BS
Technique: Hot Rolled
Application: Structural Steel Bar, Tool Steel Bar
Surface Treatment: Polished
Alloy: Alloy

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Basic Info

Model NO.
Special Use
Mold Steel, Free Cutting Steel
Peeled, Turned, Polished
Delivery Condition
Hot Rolled, Forged
SGS / Ut 100% / Element Testing
Production Process
Payment term
30% deposit, balance by L/C at sight or T/T
Lead time
7-15 days
Ut standard
Sep 1921-84 class 3 C/C to D/D
Production route
Transport Package
Export Standard Packing or Customers′demand
HS Code
Hot Rolled Special Alloy Bearing Steel Tool Steel Round Bar SAE52100 GCr15 EN31 SUJ2

GCr15 EN31 SAE52100 SUJ2 Belong to a kind of high carbon chromium bearing steel which most widely used with a good performance and less alloy content.

High hardenability and good comprehensive performance.
Good machinability after spheroidizing annealing.
High hardness,uniform organization, good wear resistance,high contact fatigue performance after quenching and tempering.And good hot working performance.

Similar grade: 
StandardASTM A295DIN 17230JIS G4805BS 970

Chemical composition(%)
ASTM A295521000.93-1.050.25-0.450.0250.0150.15-0.350.251.35-1.600.300.10
DIN 17230100Cr6/1.35050.90-1.050.25-0.450.0300.0250.15-0.350.301.35-1.650.30-
JIS G4805SUJ20.95-1.100.500.0250.0250.15-0.35-1.30-1.60--
BS 970535A99/EN310.95-1.100.40-0.70--0.10-0.35-1.20-1.60--

Mechanical Properties:
Tensile strength:σb (MPa):861.3
Yield strength:σs (MPa):518.42
Elongation:δ5 (%):27.95

Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.

GCr15 EN31 SAE52100 SUJ2 steel overviews
SizeRoundDia 8-300mm
Plate/Flat/BlockThickness:  2mm-300mm
Width:  200mm-800mm
Heat treatmentNormalized ; Annealed ; Quenched ; Tempered
Surface conditionBlack; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery conditionForged; Hot rolled; Cold drawn
TestTensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. 
Payment termsT/T;L/C;/Money gram/ Paypal
Trade termsFOB; CIF; C&F; etc..
Delivery time10-35 days

Bearing Manufacture, CV joints, ball screws, gauges, knife etc.

Making tools, such as pumching die,measuring tool.

Main application show:
Alloy Bearing Steel Round Bar SAE52100 EN31

Product pictures:
Special Tool Steel Bearing Steel  Alloy Steel GCr15 EN31 SAE52100 SUJ2
Alloy Bearing Steel Round Bar SAE52100 EN31
Alloy Bearing Steel Round Bar SAE52100 EN31

Our service
1),Sizes and materials at customers requirements;
2),Special design for customers;
3),Adequate inventory, can quick delivery;
4),Advance equipment.

Competitive Advantage:
1).Good purity and homogeneity.
2).Good machinability(roughing, grinding and drilling).
3).Good dimensional stability during heat treatment.
4).Excellent preparation for nitriding, both ionic and gaseous, induction hardening to increase the mechanical properties.
5).Delivery Condition:Hot rolled,Forged Heat treatment.
6).All the material are inspected with 3 times to meet the highly standards.

Changfeng Main products- Tool&Die Steel
Alloy Bearing Steel Round Bar SAE52100 EN31
Alloy Bearing Steel Round Bar SAE52100 EN31

About Us
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
Alloy Bearing Steel Round Bar SAE52100 EN31
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.  
Alloy Bearing Steel Round Bar SAE52100 EN31
We have thousand tons of stock materials in our own factory and also can provide processing services to customers.  We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.
After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. 
Alloy Bearing Steel Round Bar SAE52100 EN31
Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. 
Alloy Bearing Steel Round Bar SAE52100 EN31

All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.

Q: Are you a manufacturer or merely a trader?
A: We are trading company act as exporting Steel Products with our own factory,
we can manufacture the products as in cutomer's requirement,wholesale and retail all kinds of domestic mould steel,the price we offered is very competitive compared with other agents.

Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as SGS, CE,ISO if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival. Third,the products we export are mainly from ShaGang group, WenFeng group, XingCheng group, DongTe group,DaYe and so on, the quality are certained.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come. 

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