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Grade 80

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England B.S. Grade80 Steel strip intended for the manufacture of springs. Specification for hot rolled carbon and low alloy steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Grade80 / Grade 80
Category Grade Standard Region/Area Standard Content
Metals Grade 80 BS 5770-1 England Steel strip intended for the manufacture of springs. Specification for hot rolled carbon and low alloy steel

Chemical composition(mass fraction)(wt.%) of the Grade 80

Element Min Max Similar
S - 0.0450 -
P - 0.0450 -
Mn 0.5000 0.9000 -
Si 0.0500 0.3500 -
C 0.7500 0.8500 -
S - 0.0450 -
P - 0.0450 -
Mn 0.5000 0.9000 -
Si 0.0500 0.3500 -
C 0.7500 0.8500 -
S - 0.0450 -
P - 0.0450 -
Mn 0.5000 0.9000 -
Si 0.0500 0.3500 -
C 0.7500 0.8500 -

Mechanical Properties of steel grade Grade 80

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)
645 (≥) 479 (≥) 34 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade Grade 80

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
23 - -     0.32 -  
829 824 - 34.3 212   -  
747 - 13 14.2   324 411

Heat Treatment of steel grade Grade 80

Heat treated : 1184°C - 1974°C

Technological Curves of steel grade Grade 80

Cross Reference Table (Equivalent Grade) of Grade 80

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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