OT4As

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Poland PN OT4As Lead alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: OT4As / OT4As

Category	Grade	Standard	Region/Area	Standard Content
Metals	OT4As	PN H87201	Poland	Lead alloys

Chemical composition(mass fraction)(wt.%) of the OT4As

Element	Min	Max	Similar
Other total	-	-	0.1000
Cu	-	-	0.0500
Ti	-	0.0100	-
Cd	-	0.0050	-
Zn	-	-	0.0050
Sn	0.2700	0.4300	-
Sb	3.6000	4.4000	-
Fe	-	-	0.0300
As	0.3500	0.4500	-
Bi	-	-	0.0200
Pb	-	-	-

Mechanical Properties of steel grade OT4As

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)
943 (≥)	432 (≥)	13	42	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	142

Physical Properties of steel grade OT4As

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	-	-			0.42	-
742	615	-	31.3	222		-
598	-	43	12.2			313	322

Heat Treatment of steel grade OT4As

Heat treated : 1383°C - 1168°C

Technological Curves of steel grade OT4As

No Curve

Cross Reference Table (Equivalent Grade) of OT4As

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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