UNS W21018

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Description

UNS W21018 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: UNS W21018

Category	Type	Steel Grade
Steel Grades	Mould Steel	UNS W21018
		UNS W23018
		AWS E7015-C2L
		UNS W23115
		AWS E7016-C2L
		UNS W23116
		AWS E7018-C2L
		UNS W23118
		AWS E8016-C3
		UNS W21016
		AWS E8018-C3

Chemical composition(mass fraction)(wt.%) of the UNS W21018

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.12	0.8	0.4-1.25	0.03	0.03	≤0.15	0.8-1.1
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.35					≤0.05
N	Co	Pb	B	Other

Mechanical Properties of steel grade UNS W21018

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)
177 (≥)	295 (≥)	24	22	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical Properties of steel grade UNS W21018

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	-	-			0.33	-
223	841	-	12.3	221		-
144	-	43	43.2			143	443

Heat Treatment of steel grade UNS W21018

Heat treated : 1667°C - 1766°C

Technological Curves of steel grade UNS W21018

No Curve

Cross Reference Table (Equivalent Grade) of UNS W21018

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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