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aisi4340

aisi4340 Flanges, Pipe Fittings, Pipes, Reducer, Gaskets, Valves, aisi4340 Tee,and profiledstrip,Special Steel,mould,have all specifications. With 6 years production experience, strict control aisi4340 chemical composition and aisi4340 mechanical properties.From casting, Tee, steel to hot and cold rolling process, heat treatment, etc.

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
Element Weight %
C  0.38-0.43 
Mn  0.60-0.80 
P  0.035 (max) 
S  0.04 (max) 
Si  0.15-0.30 
Cr  0.70-0.90 
Ni  1.65-2.00 
Mo  0.20-0.30 

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  

Introduction to Our Products:
Data center describes many of the common steel models, we can not determine the company's warehouse has all types of steel products inventory or raw materials.

Yaang Pipe Industry

Angle bar: 1mm to 1300mm
Pipe: 1 - 13M, also can be customed.
Pipe Fitting Size: 1/8 inch - 80 inch (DN6 - DN2000)
Flange Size: DN6 - DN2000
Lenth: Any lenth based on the customer's requirement.

Mechanical properties

aisi4340 Mechanical properties,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,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,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,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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