- 1.8509, DIN 41CrAlNi7 round bar
- 1.8509, DIN 41CrAlNi7 forging
- 1.8509, DIN 41CrAlNi7 sheet
- 1.8509, DIN 41CrAlNi7 flat bar
- 1.8509, DIN 41CrAlNi7 pipe
1.8509, DIN 41CrAlNi7
We can produce 1.8509, DIN 41CrAlNi7 stainless steel round rods, 1.8509, DIN 41CrAlNi7 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.8509, DIN 41CrAlNi7 chemical composition and 1.8509, DIN 41CrAlNi7 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.
1.8509, DIN 41CrAlNi7
Designation by Standards
| Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
| PO733 | 733 | 1.8509 | 41CrAlNi7 | - | - |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.41 | max. 0.40 | 0.65 | 1.65 | 0.33 | - | - | - | Al=1.00 |
Description
Al-alloyed nitriding steel grade for large-sections.
Applications
Structural parts with high surface hardness - piston rods, extruders, cylinders, shafts, straightening tools, measuring tools, etc.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.73
Coefficient of Linear Thermal Expansion 10-6 oC-1
| -191 to +16oC | 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC |
| 9.1 | 11.1 | 12.1 | 12.9 | 13.5 | 13.9 |
Continuous Cooling Transformation (CCT) Diagram
Time-Temperature Transformation (TTT) Diagram
Soft Annealing
Heat to 650-700oC, cool slowly. This will produce a maximum Brinell hardness of 248.
Hardening
Harden from a temperature of 870-930oC followed by oil/polymer or water quenching.
Tempering
Tempering temperature: 580-700oC.
Nitriding
Temperature: 480-570oC.
Surface hardness after nitriding: 950 HV
Mechanical Properties in Quenched and Tempered Condition
| Diameter (mm) | 0.2 proof stress (N/mm2) | Tensile stregth (N/mm2) | Elongation (%) | Reduction (%) | Notch impact energy (ISO-V) (J) |
| 16-40 | 750 | 950-1150 | 11 | - | 25 |
| 41-100 | 720 | 900-1100 | 13 | - | 25 |
| 101-160 | 670 | 850-1050 | 14 | - | 30 |
| 161-250 | 625 | 800-1000 | 15 | - | 30 |
Diagram Tempering Temperature - Mechanical Properties
Forging
Hot forming temperature: 1050-850oC.
Machinability
No data.
Mechanical properties
1.8509, DIN 41CrAlNi7 Mechanical properties,Our production completely according to the 1.8509, DIN 41CrAlNi7 standards to meet the 1.8509, DIN 41CrAlNi7 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.8509, DIN 41CrAlNi7 mechanical properties.
Heat treatment
1.8509, DIN 41CrAlNi7 Heat treatment,Our production completely according to the 1.8509, DIN 41CrAlNi7 standards to meet the 1.8509, DIN 41CrAlNi7 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.8509, DIN 41CrAlNi7 Heat treatment.
Machining
1.8509, DIN 41CrAlNi7 Machining,Our production completely according to the 1.8509, DIN 41CrAlNi7 standards to meet the 1.8509, DIN 41CrAlNi7 Machining, can also according to the customer request, to meet the requirements of customers of 1.8509, DIN 41CrAlNi7 Machining.
Welding performance
1.8509, DIN 41CrAlNi7 Welding performance,Our production completely according to the 1.8509, DIN 41CrAlNi7 standards to meet the 1.8509, DIN 41CrAlNi7 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.8509, DIN 41CrAlNi7 Welding performance.
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