ASTM A322

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ASTM A322, ASTM A322 Steel held on stock and delivered throughout the Global Prompt service given by our well informed sales team.



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Technical Data

AISI 8720 (B.S. 805 A 20)
Category  steel
Class  Alloy steel
Type  Standard
Common Names  Nickel-chromium-molybdenum steel
Designations  Germany: DIN 1.6543
United Kingdom: B.S. 805 A 20
United States: ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , SAE J404 , SAE J770 , UNS G87200

Composition
Element Weight %
C  0.18-0.23 
Mn  0.70-0.90 
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  

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