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  • AISI 5120 steel / 20Cr4 / 1.7027
  • AISI 5120 steel / 20Cr4 / 1.7027

AISI 5120 steel / 20Cr4 / 1.7027

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Specification, Chemical & Mechanical Performance

We can produce 1.7027, DIN 20Cr4, AISI 5120 stainless steel round rods, 1.7027, DIN 20Cr4, AISI 5120 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.7027, DIN 20Cr4, AISI 5120 chemical composition and 1.7027, DIN 20Cr4, AISI 5120 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.

 

Designation by Standards

Brand Name Ravne No. Mat. No. DIN EN AISI
20CR4 208 1.7027 20Cr4 - 5120

 

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.20 max. 0.40 0.75 1.05 - - - - -

 

Description
Alloyed carbon steel.

 

Applications
For case-hardening. Lower duty parts: exles, fitting keys, etc. 

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 
Density [g/cm3]: 7.85

Soft Annealing
Heat to 650-700oC, cool slowly. This will produce a maximum Brinell hardness of 207.

Carburizing
880-980 oC, water, oil, air, hot quenching 150-250oC or case hardening box.

Core hardening
Temperature: 860-900oC.

Surface hardening
Tempertaure: 720-820oC.

 

Tempering temperature: 150-200oC.

Forging
Hot forming temperature: 1150-850oC. 

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