Annealing Forged Steel Round Bar AISI5140 40Cr DIN1.7035 1.7045 41Gr4 42Gr4
AISI5140 40Cr DIN1.7035 1.7045 41Gr4 42Gr4 forged round bar steel round bar steel manufactuer
40 Cr round bars are the steel of the standard of GB/T 3077-1999 in China, 40 Cr steel is one of the most widely used steel machinery manufacturing field.After tempering treatment,the 40 Cr hot rolled round bars and forged round bars has good comprehensive mechanical properties,good low temperature impact toughness and low notch sensitivity
Forged round bar AISI5140 DIN1.7035 Related steel grade and similar material
| Chinese standard | 40Cr |
| Germany | DIN 1.7035/1.7045 41Cr4/42Cr4 |
| England | EN 18 BS 41Cr4 |
| France | AFNOR 42Cr4 NF 38Cr4/41Cr4 |
| Italy | UNI 42Cr4 |
| Belgium | 42Cr4 |
| Sweden | SS 2245 |
| US | AISI/SAE/ASTM 5140 |
| Japan | JIS SCr440(H)/SCr440 |
| International | ISO 41Cr4 |
Forged round bar AISI5140 DIN1.7035 Product features
| Material: | 41Cr4 / 5140/40Cr/42Cr4 round bar steel hot forged , forged steel bar |
| Diameter: | φ150-1500mm |
| Length: | Max 10000mm (10m) |
| Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Delivery condition: | Hot forged ,Rough machined (black surface after Q/T), Turned ,peeled, polishing, bright, sand blast |
| Delivery Time: | 15-45 days |
| MOQ: | 2-3 tons |
| Heat treatment: | Normalized / Annealed / Quenched / tempered |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
| Test: | Ultrasonic test according to SEP 1921-84 G3 C/c |
| Application: | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
Forged round bar AISI5140 DIN1.7035 Chemical Compostion for reference
| Material | C | Si | Mn | Cr | Mo | Ni | W |
| 40Cr | 0.37 - 0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | - | - | - |
Forged round bar Application
- Medium speed and medium load parts after quenched and tempered, such as gear, shaft, worm, spline shaft, centre sleeve, etc.
- High hardness surface and wear resistance parts after high frequency case hardening and tempered, such as gear, main shaft, bent axle, mandrel, sleeve, pin, connecting rod, screw, nut, etc.
- High load and medium speed impact parts after quendced and medium temperature tempered, such as pump rotor, slider block, main shaft, lantern ring, etc.
- Manufacture high load, low speed impact and wear resistance parts after quenched and low temperature tempered, such as shaft, main shaft, worm, lantern ring, etc.
- Big size and high low-temperature impact toughness driving parts after carbonitriding, such as shaft, gear, etc.
About Guangda For forged round bar
- Directly manufactuer -- One stop for quality forged round bars
- Sold more than 100k tons for the round bars per year for overseas market.
- Register the exclusive trademark of GD in Europe.
- Experience for more than 10 years with quick delivery time and fast service.
- Listed company. Strong scientific research ability , Strength for Market experience and customer service .
- Certificate PED,DNV, BV, Rina, ISO, GL, ABS, LR etc.
AISI5140
40Cr steel
5140 steel
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.