YHT4

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China GB YHT4 铁氧体用氧化铁 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: YHT4 / YHT4

Category	Grade	Standard	Region/Area	Standard Content
Metals	YHT4	GB/T 24244	China	铁氧体用氧化铁

Chemical composition(mass fraction)(wt.%) of the YHT4

Element	Min	Max	Similar
CuO	-	0.0400	-
Cr2O3	-	0.0400	-
NiO	-	0.0400	-
P2O5	-	0.0300	-
H2O	-	0.5000	-
K2O	-	0.0200	-
Na2O	-	0.0300	-
MgO	-	0.0500	-
TiO2	-	0.0200	-
Cl-	-	0.2000	-
(SO4)2-	-	0.1500	-
MnO	-	0.3000	-
Al2O3	-	0.0400	-
CaO	-	0.0300	-
SiO2	-	0.0300	-
Fe2O3	98.5000	-	-

Mechanical Properties of steel grade YHT4

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)
444 (≥)	453 (≥)	21	41	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade YHT4

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
42	-	-			0.23	-
576	798	-	43.3	331		-
645	-	22	22.2			311	333

Heat Treatment of steel grade YHT4

Heat treated : 1989°C - 1791°C

Technological Curves of steel grade YHT4

No Curve

Cross Reference Table (Equivalent Grade) of YHT4

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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