- 1.7039, DIN 41CrS4, AISI 5140 round bar
- 1.7039, DIN 41CrS4, AISI 5140 forging
- 1.7039, DIN 41CrS4, AISI 5140 sheet
- 1.7039, DIN 41CrS4, AISI 5140 flat bar
- 1.7039, DIN 41CrS4, AISI 5140 pipe
1.7039, DIN 41CrS4, AISI 5140
Production specification
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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1.7039, DIN 41CrS4, AISI 5140
Designation by Standards
Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
41CRS4 | 790 | 1.7039 | 41CrS4 | 41CrS4 | 5140 |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
0.41 | max. 0.40 | 0.75 | 1.05 | - | - | - | - | - |
Description
Special structural steel.
Applications
Low and moderately stressed parts for vehicles, engines and machines where hard, wear resisting surface is needed. Hardness as surface hardened about 54 HRC.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.80
Soft Annealing
Heat to 680-720oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 241.
Normalizing
Temperatue: 840-880oC.
Hardening
Harden from a temperature of 820-860oC followed by oil or water quenching.
Tempering
Tempering temperature: 540-680oC.
Mechanical Properties in Quenched and Tempered Condition
Diameter (mm) | 0.2 proof stress (N/mm2) | Tensile stregth (N/mm2) | Elongation (%) | Reduction (%) | Impact energy (J) |
Up to 16 | 800 | 1000-1200 | 11 | 30 | 30 |
17-40 | 660 | 900-110 | 12 | 35 | 35 |
41-100 | 560 | 800-950 | 14 | 40 | 35 |
Hardenability in the end-quench test
Quenching temperature in the end-quench test is 850oC
Hardness | 1.5 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
H max. | 61 | 61 | 60 | 59 | 58 | 56 | 54 | 52 | 46 | 42 | 40 | 38 | 37 | 36 | 35 |
H min. | 53 | 52 | 50 | 47 | 41 | 37 | 34 | 32 | 29 | 26 | 23 | 21 | - | - | - |
HH max. | 61 | 61 | 60 | 59 | 58 | 56 | 54 | 52 | 46 | 42 | 40 | 38 | 37 | 36 | 35 |
HH min. | 58 | 55 | 53 | 51 | 47 | 43 | 41 | 39 | 35 | 31 | 29 | 27 | 26 | 25 | 24 |
HL max. | 58 | 58 | 57 | 55 | 52 | 50 | 47 | 45 | 40 | 37 | 34 | 32 | 31 | 30 | 29 |
HL min. | 53 | 52 | 50 | 47 | 41 | 37 | 34 | 32 | 29 | 26 | 23 | 21 | - | - | - |
Forging
Hot forming temperature: 1050-850oC.
Machinability
No data.
Mechanical properties
Heat treatment
Machining
Welding performance
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