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ASTM 8645

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UNS G86420 UNS G86450
#ASTM # # #8645

Description

ASTM 8645 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM 8645
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel ASTM 8645
ASTM 8627
UNS G86270
ASTM 8630
UNS G86300
ASTM 8637
UNS G86370
ASTM 8640
UNS G86400
ASTM 8642
UNS G86420

Chemical composition(mass fraction)(wt.%) of the ASTM 8645

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
 0.4-0.48 0.15-0.35  0.75-1  0.035  0.04  0.4-0.6  0.4-0.7 
Mo Al Cu Nb Ti V Ce
0.15-0.25             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade ASTM 8645

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
989 (≥) 977 (≥) 11 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade ASTM 8645

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
34 - -     0.13 -  
139 546 - 24.3 232   -  
534 - 11 33.2   343 342

Heat Treatment of steel grade ASTM 8645

Heat treated : 1613°C - 1956°C

Technological Curves of steel grade ASTM 8645

Cross Reference Table (Equivalent Grade) of ASTM 8645

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
UNS G86420 UNS G86450
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