Chromwear 300

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#Chromwear #300

Description

Chromwear 300 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Chromwear 300

Category	Type	Steel Grade
Steel Grades	High Alloy	Chromwear 300
		Chrome core 8FM
		Chrome core 12
		Chrome core 12-FM
		Chrome core 13
		Chrome core 13-FM
		Chrome core 18-FM
		Chrome core 29 Solenoid
		Chromindur Ⅱ
		Chromel
		Chromoloy

Chemical composition(mass fraction)(wt.%) of the Chromwear 300

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
2.7	0.4	0.7			8.25
Mo	Al	Cu	Nb	Ti	V	Ce
1.12					4.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade Chromwear 300

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)
225 (≥)	994 (≥)	43	12	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade Chromwear 300

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	-	-			0.31	-
628	739	-	23.3	241		-
553	-	21	31.2			232	311

Heat Treatment of steel grade Chromwear 300

Heat treated : 1768°C - 1937°C

Technological Curves of steel grade Chromwear 300

No Curve

Cross Reference Table (Equivalent Grade) of Chromwear 300

Grade	Standard	Country	Application
UNS G10300	UNS	USA	General use carbon steel bar
S50300	SS	USA	Martensitic special steel
S42300	UNS	USA	Martensitic special steel
S42300	UNS	USA	Martensitic special steel
UNS S42300	UNS	USA	precipitation hardening
UNS S42300	UNS	USA	precipitation hardening
UNS S63005	UNS	USA	precipitation hardening
UNS S63007	UNS	USA	precipitation hardening
UNS S63008	UNS	USA	precipitation hardening
UNS S63009	UNS	USA	precipitation hardening
UNS J03000	ASTM	USA
UNS J03001	UNS	USA
UNS J93000	AISI	USA
UNS J93005	AISI	USA
UNS J93000	AISI	USA
UNS J03002	AISI	USA
UNS J03003	AISI	USA
UNS J31300	AISI	USA
411300			The Czech republic Structural steel
11300			The Czech republic Structural steel

Available Suppliers

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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