• 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
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1.7039, DIN 41CrS4, AISI 5140

We can produce 1.7039, DIN 41CrS4, AISI 5140 stainless steel round rods, 1.7039, DIN 41CrS4, AISI 5140 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.7039, DIN 41CrS4, AISI 5140 chemical composition and 1.7039, DIN 41CrS4, AISI 5140 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
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.
We serve you with our honesty, integrity, and professionality.

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

1.7039, DIN 41CrS4, AISI 5140 Mechanical properties,Our production completely according to the 1.7039, DIN 41CrS4, AISI 5140 standards to meet the 1.7039, DIN 41CrS4, AISI 5140 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.7039, DIN 41CrS4, AISI 5140 mechanical properties.

Heat treatment

1.7039, DIN 41CrS4, AISI 5140 Heat treatment,Our production completely according to the 1.7039, DIN 41CrS4, AISI 5140 standards to meet the 1.7039, DIN 41CrS4, AISI 5140 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.7039, DIN 41CrS4, AISI 5140 Heat treatment.

Machining

1.7039, DIN 41CrS4, AISI 5140 Machining,Our production completely according to the 1.7039, DIN 41CrS4, AISI 5140 standards to meet the 1.7039, DIN 41CrS4, AISI 5140 Machining, can also according to the customer request, to meet the requirements of customers of 1.7039, DIN 41CrS4, AISI 5140 Machining.

Welding performance

1.7039, DIN 41CrS4, AISI 5140 Welding performance,Our production completely according to the 1.7039, DIN 41CrS4, AISI 5140 standards to meet the 1.7039, DIN 41CrS4, AISI 5140 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.7039, DIN 41CrS4, AISI 5140 Welding performance.

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