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GB Hot Rolled Alloy Steel Round Bar 5140 1.7035 SCR440 41Cr4 To Make Shaft , Screw Bolt
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Brand Name:CF STEEL
Model Number:40Cr SAE5140 1.7035 SCr440
Certification:ISO, Mill Certificate
Price:USD800-900/MT
Payment Terms:L/C, T/T
Supply Ability:1000t/Month
Delivery Time:7-15 days
Company Data
Active Member
Contact Person
Echo
Business Type:
+8618520152629-020-8251-5856
Business Type:
Distributor/Wholesaler Exporter Trading Company
Officials:
广州市黄埔区大沙地东路403号B802房(仅限办公）
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
5140 1.7035 SCR440 41Cr4 Round Hot Rolled Steel
Size
Round bar: Diameter(mm) Max 800mm; Length(mm) Max 12000mm.
Plate: Thickness(mm) Max 800mm; Width(mm) Max 2300mm; Length(mm) Max 12000mm.
Condition: Cold rolled(drawn)≤50mm, Hot rolled≤12-250mm, Hot forged≥50mm.(Thickness/Diameter)
Surface Treatment
Plate: Origin Black, Orign cold rolled bright, Machined, Grinded
Bar: Origin Black, Orign cold rolled(drawn) bright, Turned, Peeled, Grinded
Chemical composition
| NAME | C | Si | Mn | P | S | Cr | Ni |
| 1.7035 | 0.28-0.33 | 0.20-0.35 | 0.40-0.60 | ≤0.035 | ≤0.030 | 0.80-1.10 | -- |
| GB | AISI/ASTM | DIN | JIS |
| 40Cr | 5140 | 1.7035 | SCr440 |
Q+T Properties
| Tensile Strength | σb (MPa):≥980(100) |
| Yield Strength | σs (MPa):≥785(80) |
| Elongation | δ5 (%):≥9 |
| Reduction | ψ (%):≥45 |
| Impact Energy | Akv (J):≥47 |
| Impact Toughness | αkv (J/cm2):≥59(6) |
| Annealed Hardness | ≤207HB |
Heat Treatment
Hot working temperature ºC: 1050-850
Annealing temperature ºC: 680-720
Normalizing temperature ºC: 840-880
Quenching temperature ºC: 820-850 water, 830-860 oil
Tempering temperature ºC: 540-680
Features
1. High strength and toughness.
2. High hardenability and the oil critical hardening is diameter
15~70mm.
3. Good machinability and the cold plastic deformation is medium.
Application
1. It is used at quenched and tempered condition,can be used in
carburizing steel which need
high strenght in the centre.
2. For making large cross section and Work under high stress
condition conditioning parts.
Like shaft and high load handwheel; bolt; stud;wheel gear etc.
3. For making welding parts; board;welding structure;high pressure
pipe in the chemical industry.
4. For making temperature under 450°C's fastener in the steam
turbine, boiler manufacturing.
FAQ:
1.Q:Are your a factory or a trading compangy?
A:We are a factory.
2.Q:How can I get some sample?
A:We are honored to offer you samples
3.Q:What are the difference between you and other steel company?
A:Quality first! The price will be changed according to your order.
The rechargeable sample's will
return to you after you offer the deposit!Our company are full of
chinese culture,Won't you want to come here^.^?
The sales are beautiful and handsome0.0!
Changfeng Tool & Die Steel main product:
| STANDARD/GRADE of steel | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.121 | SAE1050 | S50C | 50# | 10-450 | 155-2200 | 2000-12000 | Forged, Hot Rolled | ||
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-460 | 155-2200 | 2000-10000 | 20-200 | 2000-6000 | |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300 | 155-2200 | 2000-8000 | 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 | 10-280 | 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.
Company Profile
Guangzhou Changfeng Steel Co., LTD
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, 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, 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. 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. 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.
Our company keeps the principle of “sincerely cooperation, endless striving for perfection”. We desire to establish the long-term mutual beneficial and win-win relationship with clients all over the world.
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