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Grade N80

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China GB GradeN80 石油天然气工业-油气井套管或油管用钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeN80 / Grade N80
Category Grade Standard Region/Area Standard Content
Metals Grade N80 GB/T 19830 China 石油天然气工业-油气井套管或油管用钢管

Chemical composition(mass fraction)(wt.%) of the Grade N80

Element Min Max Similar
P - 0.0300 -
S - 0.0300 -

Mechanical Properties of steel grade Grade N80

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)
445 (≥) 467 (≥) 24 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade Grade N80

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 - -     0.11 -  
877 691 - 12.3 143   -  
931 - 43 23.2   142 231

Heat Treatment of steel grade Grade N80

Heat treated : 1632°C - 1112°C

Technological Curves of steel grade Grade N80

Cross Reference Table (Equivalent Grade) of Grade N80

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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