UNS T20819

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#UNS # # #T20819

Description

UNS T20819 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: UNS T20819

Category	Type	Steel Grade
Steel Grades	Tool Steel	UNS T20819
		UNS T20810
		ASTM H11
		UNS T20811
		ASTM H12
		UNS T20812
		ASTM H13
		UNS T20813
		ASTM H14
		UNS T20814
		ASTM H19

Chemical composition(mass fraction)(wt.%) of the UNS T20819

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.32-0.45	0.2-0.5	0.2-0.5	0.03	0.03	4.-4.75
Mo	Al	W	Nb	Ti	V	Ce
0.3-0.55		3.75-4.5			1.75-2.2
N	Co	Pb	B	Other
	4-4.5

Mechanical Properties of steel grade UNS T20819

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)
887 (≥)	215 (≥)	12	31	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade UNS T20819

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
24	-	-			0.34	-
571	744	-	21.3	432		-
251	-	24	41.2			224	231

Heat Treatment of steel grade UNS T20819

Heat treated : 1249°C - 1223°C

Technological Curves of steel grade UNS T20819

No Curve

Cross Reference Table (Equivalent Grade) of UNS T20819

Grade	Standard	Country	Application
UNS G10300	UNS	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar
UNS G10080	UNS	USA	General use carbon steel bar
UNS G10110	UNS	USA	General use carbon steel bar
ASTM 1012	ASTM	USA	General use carbon steel bar
UNS G10120	UNS	USA	General use carbon steel bar
UNS G10130	UNS	USA	General use carbon steel bar
UNS G10150	UNS	USA	General use carbon steel bar
UNS G10160	UNS	USA	General use carbon steel bar
UNS G10170	UNS	USA	General use carbon steel bar
UNS G10180	UNS	USA	General use carbon steel bar
UNS G10190	UNS	USA	General use carbon steel bar
UNS G10200	UNS	USA	General use carbon steel bar
UNS G10210	UNS	USA	General use carbon steel bar
UNS T72301	UNS	USA	Carbon tool steel
W2-A	ASTM	USA	Carbon tool steel
UNS T72302	UNS	USA	Carbon tool steel
UNS S42800	UNS	USA	Martensitic special steel
UNS S43100	UNS	USA	Martensitic special steel

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