K91870

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America UNS K91870 铁、电热元件合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K91870 / K91870

Category	Grade	Standard	Region/Area	Standard Content
Metals	K91870	--	America	铁、电热元件合金

Chemical composition(mass fraction)(wt.%) of the K91870

Element	Min	Max	Similar
Cr	14.0000	17.0000	-
Al	4.7500	5.7500	-

Mechanical Properties of steel grade K91870

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
256 (≥)	539 (≥)	22	14	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade K91870

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
22	-	-			0.41	-
941	174	-	33.3	121		-
964	-	41	44.2			221	332

Heat Treatment of steel grade K91870

Heat treated : 1146°C - 1383°C

Technological Curves of steel grade K91870

No Curve

Cross Reference Table (Equivalent Grade) of K91870

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.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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