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Product Details:
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| Steel Grade: | 5140/40cr/scr440 | Technique: | Hot Rolled, Forged, EAF+LF+VD+Hot Rolled/Forged, Forged/Hot Rolled/Cold Drawn, Hot Rolled/forged/cold Draw |
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| Alloy Or Not: | Is Alloy | Standard: | AISI, DIN, ASTM, GB, JIS |
| Application: | Structural Steel Bar, Die Steel Bar, Tool Steel Bar, Industry, Construction | Quality Inspection: | Chemical Composition, UT, Physical Properties Etc., Microstructure, Chemical Test |
| Surface Treatment: | Black Or Machined, Black Bright Mirror(mill Polishing HL Etc), Black Surface Or Mi | ||
| Highlight: | 5140 Alloy Tool Steel,40cr Alloy Tool Steel,Scr440 5140 Alloy Steel |
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5140/40cr/Scr440/Hot Rolled 5140 Alloy Steel Machined Bars/Structure Alloy Steel Round Bar
AISI 5140 steel 1.7035 structural alloy steel
1. MAIN APPLICATION
After hardening & tempering, applied to use in the manufacture withsatand loads and moderate speeds mechanical parts, such as automotive steering knuchles, and rear axle gears, shafts, worm, spline shaft, sets and other tools on top.
2. DELIVERY CONDICION
Hot rolled or forged, black surface
Hardness : annealed < 207HB
Widrh : 1500-2300mm Thickness: 20-200mm
Rounds: dia 20-350mm
3 . CHARACTERISTICS
40 Cr(5140) steel is belong to Medium carbon steel with hardening and tempering, cold heading steel. Easy processing, after proper heat treatment can pntain a certain toughness, plasticity and abrasion resistance
4. DELIVERY
Mill deliver condition, without sawing or cutting.
5. CHEMICAL ANALYSIS
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China grades |
Foreign grades |
C | Si | Mn | P ≤ | S ≤ | Cr | Ni | |||||
| 40Cr | ----- | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | 0.030 | 0.030 | 0.80-1.10 | ----- | |||||
| ------ | 5140 | 0.38-0.43 | 0.17-0.37 | 0.70-0.90 | 0.035 | 0.040 | 0.0-0.90 | ≤ 0.030 | |||||
| ----------- | 1.7035 | 0.38-0.45 | ≤ 0.40 | 0.60-0.90 | 0.030 | 0.030 | 0.90-1.20 | ---- | |||||
6. COMPARED GRADES(BASED ON USAGE)
| Chinese |
Japanese |
German |
Anerican |
Swedish |
| GB | JIS | DIN | ASTM | SS |
| 42Cr | SCR440 | 1.7035/41Cr4 | 5140 | 2245 |
7. HEAT TREATMENT(FOR REFERENCE)
| (Quemching) | Tempering | ||||
|
Heating temperature/℃ |
Cooling |
Hardness/HRC |
Heating temperature/℃ |
Cooling |
Hardness/HRC |
| 830-860 | Oil | ≥ 50 | 150-200 | Air | ≥ 48 |
Contact Person: Mrs. Merain Pan
Tel: 008613537200896
Fax: 86-0769-89611567
