- 1.7218, DIN 25CrMo4, AISI 4130 round bar
- 1.7218, DIN 25CrMo4, AISI 4130 forging
- 1.7218, DIN 25CrMo4, AISI 4130 sheet
- 1.7218, DIN 25CrMo4, AISI 4130 flat bar
- 1.7218, DIN 25CrMo4, AISI 4130 pipe
1.7218, DIN 25CrMo4, AISI 4130
We can produce 1.7218, DIN 25CrMo4, AISI 4130 stainless steel round rods, 1.7218, DIN 25CrMo4, AISI 4130 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.7218, DIN 25CrMo4, AISI 4130 chemical composition and 1.7218, DIN 25CrMo4, AISI 4130 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.
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.
1.7218, DIN 25CrMo4, AISI 4130
Designation by Standards
| Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
| VCMO125 | 722 | 1.7218 | 25CrMo4 | 25CrMo425 | 4130 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.25 | max. 0.40 | 0.75 | 1.05 | 0.23 | - | - | - | - |
Description
Structural alloyed carbon steel.
Applications
Statically and dynamically stressed components for vehicles, engines and machines - axles, turbine components, chains, forgings, etc.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.86
Continuous Cooling Transformation (CCT) Diagram
Time-Temperature Transformation (TTT) Diagram
Soft Annealing
Heat to 680-720oC, cool slowly. This will produce a maximum Brinell hardness of 212.
Noramlizing
Temperature: 840-900oC.
Hardening
Harden from a temperature of 840-870, 850-880oC followed by water or oil quenching.
Tempering
Tempering temperature: 540-680oC.
Mechanical Properties in Hardening and Tempering Condition
| Diameter (mm) | 0.2 % proof stress (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | Reduction of area (%) | Notch impact energy (ISO-V) (J) |
| up to 16 | 700 | 900-1100 | 12 | 50 | 50 |
| 17-40 | 600 | 800-950 | 14 | 55 | 55 |
| 41-100 | 450 | 700-850 | 15 | 60 | 55 |
| 101-160 | 400 | 650-800 | 16 | 60 | 55 |
Diagram Tempering Temperature - Mechanical Properties
Forging
Hot forming temperature: 1050-850oC.
Machinability
No data.
Mechanical properties
1.7218, DIN 25CrMo4, AISI 4130 Mechanical properties,Our production completely according to the 1.7218, DIN 25CrMo4, AISI 4130 standards to meet the 1.7218, DIN 25CrMo4, AISI 4130 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.7218, DIN 25CrMo4, AISI 4130 mechanical properties.
Heat treatment
1.7218, DIN 25CrMo4, AISI 4130 Heat treatment,Our production completely according to the 1.7218, DIN 25CrMo4, AISI 4130 standards to meet the 1.7218, DIN 25CrMo4, AISI 4130 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.7218, DIN 25CrMo4, AISI 4130 Heat treatment.
Machining
1.7218, DIN 25CrMo4, AISI 4130 Machining,Our production completely according to the 1.7218, DIN 25CrMo4, AISI 4130 standards to meet the 1.7218, DIN 25CrMo4, AISI 4130 Machining, can also according to the customer request, to meet the requirements of customers of 1.7218, DIN 25CrMo4, AISI 4130 Machining.
Welding performance
1.7218, DIN 25CrMo4, AISI 4130 Welding performance,Our production completely according to the 1.7218, DIN 25CrMo4, AISI 4130 standards to meet the 1.7218, DIN 25CrMo4, AISI 4130 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.7218, DIN 25CrMo4, AISI 4130 Welding performance.
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