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1.7701, DIN 51CrMoV4, AISI 4150 round bar,1.7701, DIN 51CrMoV4, AISI 4150 forging,1.7701, DIN 51CrMoV4, AISI 4150 sheet,1.7701, DIN 51CrMoV4, AISI 4150 coil,1.7701, DIN 51CrMoV4, AISI 4150 flat bar,1.7701, DIN 51CrMoV4, AISI 4150 pipe,Lrregular
  • 1.7701, DIN 51CrMoV4, AISI 4150 round bar
  • 1.7701, DIN 51CrMoV4, AISI 4150 forging
  • 1.7701, DIN 51CrMoV4, AISI 4150 sheet
  • 1.7701, DIN 51CrMoV4, AISI 4150 flat bar
  • 1.7701, DIN 51CrMoV4, AISI 4150 pipe
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1.7701, DIN 51CrMoV4, AISI 4150

We can produce 1.7701, DIN 51CrMoV4, AISI 4150 stainless steel round rods, 1.7701, DIN 51CrMoV4, AISI 4150 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.7701, DIN 51CrMoV4, AISI 4150 chemical composition and 1.7701, DIN 51CrMoV4, AISI 4150 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.

1.7701, DIN 51CrMoV4, AISI 4150 

Designation by Standards

Brand Name LH No. Mat. No. DIN EN AISI
VZ727 727 1.7701 51CrMoV4 51CrMoV4 4150

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.54 0.28 0.90 1.05 0.20 - 0.20 - -

Description
Structural Cr-Mo-V-steel.

Applications
Severely stressed springs for automobile industry - machine and engine parts, torsion springs, threaded springs, bark removing knives. 

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 
Density [g/cm3]: 7.78

Continuous Cooling Transformation (CCT) Diagram

Time-Temperature Transformation (TTT) Diagram

Soft Annealing
Heat to 640-680oC, cool slowly. This will produce a maximum Brinell hardness of 255.

Normalizing
Temperature: 850-880oC.

Hardening
Harden from a temperature of 830-860oC followed by oil quenching.

Tempering
Tempering temperature: 350-550oC.

Mechanical Properties in Hardening and Tempering Condition at Ambient Temperature

0.2 % proof stress (N/mm2) Tensile strength (N/mm2) Elongation (%)
1180 1370-1670 6

Forging
Hot forming temperature: 1050-850oC. 

Machinability
Machining is best done with this alloy in the annealed or normalized and tempered condition. It can be machined by all conventional methods.
  

Mechanical properties

1.7701, DIN 51CrMoV4, AISI 4150 Mechanical properties,Our production completely according to the 1.7701, DIN 51CrMoV4, AISI 4150 standards to meet the 1.7701, DIN 51CrMoV4, AISI 4150 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.7701, DIN 51CrMoV4, AISI 4150 mechanical properties.

Heat treatment

1.7701, DIN 51CrMoV4, AISI 4150 Heat treatment,Our production completely according to the 1.7701, DIN 51CrMoV4, AISI 4150 standards to meet the 1.7701, DIN 51CrMoV4, AISI 4150 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.7701, DIN 51CrMoV4, AISI 4150 Heat treatment.

Machining

1.7701, DIN 51CrMoV4, AISI 4150 Machining,Our production completely according to the 1.7701, DIN 51CrMoV4, AISI 4150 standards to meet the 1.7701, DIN 51CrMoV4, AISI 4150 Machining, can also according to the customer request, to meet the requirements of customers of 1.7701, DIN 51CrMoV4, AISI 4150 Machining.

Welding performance

1.7701, DIN 51CrMoV4, AISI 4150 Welding performance,Our production completely according to the 1.7701, DIN 51CrMoV4, AISI 4150 standards to meet the 1.7701, DIN 51CrMoV4, AISI 4150 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.7701, DIN 51CrMoV4, AISI 4150 Welding performance.

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