8740 alloy

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8740 alloy, 8740 alloy Steel held on stock and delivered throughout the Global Prompt service given by our well informed sales team.



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Technical Data

Alloy Steel

AISI 8740 Alloy Steel

 

Designations
Germany: DIN 1.6546
Italy: UNI 40 NiCrMo 2 KB
United Kingdom: B.S. Type 7
United States: AMS 6322 , AMS 6322F , AMS 6323 , AMS 6323D , AMS 6325 , AMS 6325D , AMS 6327 , AMS 6327D , AMS 6358 , AMS 6358B , ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , MIL SPEC MIL-S-6049 , SAE J404 , SAE J412 , SAE J770 , UNS G87400

 

 

Chemical Composition

 

Element
Weight %
C
 0.38-0.43 
Mn
 0.75-1.00 
P
 0.035 (max) 
S
 0.04 (max) 
Si
 0.15-0.30 
Cr
 0.40-0.60 
Ni
 0.40-0.70 
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)
695.0 
25 
annealed at 815°C
Yield Strength (Mpa)
415.8 
Elongation (%)
22.2 
Reduction in Area (%)
46.4 
Hardness (HB)
201 
25 
annealed at 815°C
Impact Strength (J)
(Izod)
40 
25 
annealed at 815°C

 

 

 

Product description:

Step Shaft AISI 8740  Tube AISI 8740  Pie-shaped AISI 8740   Ring AISI 8740   Module Large valves of the main AISI 8740   Other Profiled forgings AISI 8740

Special steel classification:

Stainless steel, Hi-Steel HSLA-80, Mould steel,  Heat resistant steel, Tool steel, Ball bearing steel,Spring steelAlloy Steel,  Construction steel,  Die steel, High-speed steel,  angles, channels, H steel, I-beams, welded pipes, seamless tubes,

Standard:
Our products meet Chinese GB, Japanese JIS, US ASTM, UK BS, EU DIN Standards and so on.

Our advantages:

Our advantages such as advanced management and operation concepts, suitable work facilities, highly qualified talents and a number of trade partners who have long-term and close cooperation with us have ensured us to provide global customers with competitive high-quality commodities and excellent services, quickly, accurately, conveniently and completely.

We can produce pipe 8740 alloy, 8740 alloy steel ingot, 8740 alloy sheet, 8740 alloy bar, 8740 alloy castings, 8740 alloy stamping, 8740 alloy cold, 8740 alloy hot-rolled, 8740 alloy cold drawing, hot punch and then finished machining 8740 alloy and 8740 alloy of the heat treatment process, modulation , tempering, normalizing, returns, etc.,

need to purchase 8740 alloy please click the "Quote"


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