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STM-R 780

Favorite Datasheet

Japan JIS STM-R780 钻探用无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STM-R780 / STM-R 780
Category Grade Standard Region/Area Standard Content
Metals STM-R 780 JIS G3465 Japan 钻探用无缝钢管

Chemical composition(mass fraction)(wt.%) of the STM-R 780

Element Min Max Similar

Mechanical Properties of steel grade STM-R 780

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)
427 (≥) 986 (≥) 14 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade STM-R 780

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
31 - -     0.13 -  
959 462 - 41.3 213   -  
438 - 21 33.2   122 122

Heat Treatment of steel grade STM-R 780

Heat treated : 1684°C - 1876°C

Technological Curves of steel grade STM-R 780

Cross Reference Table (Equivalent Grade) of STM-R 780

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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Jiangyou Longhai Special Steel Co.,Ltd.

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