- aisi4340 round bar
- aisi4340 forging
- aisi4340 sheet
- aisi4340 flat bar
- aisi4340 pipe
aisi4340
We can produce aisi4340 stainless steel round rods, aisi4340 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control aisi4340 chemical composition and aisi4340 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.
| Category | steel |
| Class | Alloy steel |
| Type | Standard |
| Common Names | Nickel-chromium-molybdenum steel |
| Designations |
Germany: DIN 1.6565 Japan: JIS SNCM 8 United Kingdom: B.S. 2 S 119 , B.S. 3 S 95 , B.S. 3111 Type 6 , B.S. 817 M 40 United States: AMS 5331 , AMS 6359 , AMS 6359B , AMS 6414 , AMS 6414A , AMS 6415 , AMS 6415G , ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , ASTM A547 , ASTM A646 , MIL SPEC MIL-S-16974 , SAE J404 , SAE J412 , SAE J770 , UNS G43400 |
| Composition |
|
| Mechanical Properties |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 744.6 | 25 | annealed at 810°C more |
| Yield Strength (Mpa) | 472.3 | ||
| Elongation (%) | 22.0 | ||
| Reduction in Area (%) | 49.9 | ||
| Hardness (HB) | 217 | 25 | annealed at 810°C more |
|
Impact Strength (J) (Izod) |
51.1 | 25 | annealed at 810°C more |
| Thermal Properties |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion (10-6/ºC) | 11.5 | 20-100 more | oil hardened, tempered 630°C |
| Electric Properties |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Electric Resistivity (10-9W-m) | 248 | 20 more | |
Mechanical properties
aisi4340 Mechanical properties,Our production completely according to the aisi4340 standards to meet the aisi4340 mechanical performance, can also according to the customer request, to meet the requirements of customers of aisi4340 mechanical properties.
Heat treatment
aisi4340 Heat treatment,Our production completely according to the aisi4340 standards to meet the aisi4340 Heat treatment, can also according to the customer request, to meet the requirements of customers of aisi4340 Heat treatment.
Machining
aisi4340 Machining,Our production completely according to the aisi4340 standards to meet the aisi4340 Machining, can also according to the customer request, to meet the requirements of customers of aisi4340 Machining.
Welding performance
aisi4340 Welding performance,Our production completely according to the aisi4340 standards to meet the aisi4340 Welding performance, can also according to the customer request, to meet the requirements of customers of aisi4340 Welding performance.
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