Guangzhou Changfeng Steel Co., LTD
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SAE52100 GCr15 EN31 SUJ2 High Tensile Bearing Steel Tool Steel Pipe for Axle
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.
Characteristic:
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:
| Country | USA | German | Japan | British |
| Standard | ASTM A295 | DIN 17230 | JIS G4805 | BS 970 |
| Grades | 52100 | 100Cr6/1.3505 | SUJ2 | 535A99/EN31 |
Chemical composition(%)
| Standard | Grade | C | Mn | P | S | Si | Ni | Cr | Cu | Mo |
| ASTM A295 | 52100 | 0.93-1.05 | 0.25-0.45 | 0.025 | 0.015 | 0.15-0.35 | 0.25 | 1.35-1.60 | 0.30 | 0.10 |
| DIN 17230 | 100Cr6/1.3505 | 0.90-1.05 | 0.25-0.45 | 0.030 | 0.025 | 0.15-0.35 | 0.30 | 1.35-1.65 | 0.30 | - |
| JIS G4805 | SUJ2 | 0.95-1.10 | 0.50 | 0.025 | 0.025 | 0.15-0.35 | - | 1.30-1.60 | - | - |
| BS 970 | 535A99/EN31 | 0.95-1.10 | 0.40-0.70 | - | - | 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
Hardeness:25.8HRC
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
| Size | Round | Dia 8-300mm |
| Plate/Flat/Block | Thickness: 2mm-300mm | |
| Width: 200mm-800mm | ||
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
| Delivery condition | Forged; Hot rolled; Cold drawn | |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
| Payment terms | T/T;L/C;/Money gram/ Paypal | |
| Trade terms | FOB; CIF; C&F; etc.. | |
| Delivery time | 10-35 days | |
| Application | Bearing Manufacture, CV joints, ball screws, gauges, knife etc. Making tools, such as pumching die,measuring tool. | |
Main application show:
Product pictures:
Special Mechanical Alloy Steel Bearing Steel Pipe for Cutting Tools SAE52100 GCr15 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 popular product
| STANDARD/GRADE | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 | Forged, Hot Rolled |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 10-1100 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 14-80 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 12-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 16-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-200 | 155-2200 | 2000-6000 | 16-450 | 3000-6000 | |
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.
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.
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.
We Changfeng steel 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.
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.