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R290

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England B.S. R290 铜和铜合金-空调和制冷用无缝圆铜管-第1部分：管道系统用管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R290 / R290
Category Grade Standard Region/Area Standard Content
Metals R290 BS EN 12735-1 England 铜和铜合金-空调和制冷用无缝圆铜管-第1部分：管道系统用管

Chemical composition(mass fraction)(wt.%) of the R290

Element Min Max Similar

Mechanical Properties of steel grade R290

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)
837 (≥) 752 (≥) 24 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade R290

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
14 - -     0.31 -  
244 315 - 23.3 113   -  
243 - 22 23.2   223 343

Heat Treatment of steel grade R290

Heat treated : 1949°C - 1973°C

Technological Curves of steel grade R290

Cross Reference Table (Equivalent Grade) of R290

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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