- DIN 1.4438 round bar
- DIN 1.4438 forging
- DIN 1.4438 sheet
- DIN 1.4438 flat bar
- DIN 1.4438 pipe
DIN 1.4438
We can produce DIN 1.4438 stainless steel round rods, DIN 1.4438 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control DIN 1.4438 chemical composition and DIN 1.4438 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.
Chemical composition % of the ladle analysis of grade DIN 1.4438 and Standards
| Category | steel |
| Class | Stainless steel |
| Type | Austenitic standard |
| Common Names | Chromium-Nickel steel |
| Designations |
France: AFNOR Z 2 CND 19.15 Germany: DIN 1.4438 Sweden: SS 2367 United Kingdom: B.S. 317 S 12 United States: ASME SA240 , ASTM A167 , ASTM A240 , SAE 30317L , UNS S31703 |
| Composition |
|
| Mechanical Properties |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 200 | 25 | |
| Tensile Strength (Mpa) | 585 | 25 | annealed (plate, sheet, strip) more |
| Yield Strength (Mpa) | 240 | ||
| Elongation (%) | 55 | ||
| Reduction in Area (%) | 65 | ||
| Hardness (HRB) | 85 (max) | 25 | annealed (plate, sheet, strip) more |
| Thermal Properties |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion (10-6/ºC) | 16.5 | 0-100 more | |
| Thermal Conductivity (W/m-K) | 14.4 | 100 | |
| Specific Heat (J/kg-K) | 500 | 0-100 | |
| Electric Properties |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Electric Resistivity (10-9W-m) | 790 | 25 | |
Mechanical properties
DIN 1.4438 Mechanical properties,Our production completely according to the DIN 1.4438 standards to meet the DIN 1.4438 mechanical performance, can also according to the customer request, to meet the requirements of customers of DIN 1.4438 mechanical properties.
Heat treatment
DIN 1.4438 Heat treatment,Our production completely according to the DIN 1.4438 standards to meet the DIN 1.4438 Heat treatment, can also according to the customer request, to meet the requirements of customers of DIN 1.4438 Heat treatment.
Machining
DIN 1.4438 Machining,Our production completely according to the DIN 1.4438 standards to meet the DIN 1.4438 Machining, can also according to the customer request, to meet the requirements of customers of DIN 1.4438 Machining.
Welding performance
DIN 1.4438 Welding performance,Our production completely according to the DIN 1.4438 standards to meet the DIN 1.4438 Welding performance, can also according to the customer request, to meet the requirements of customers of DIN 1.4438 Welding performance.
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