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R4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R4

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SS R4

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R4 Chemical composition
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Profile

This page is mainly introduced the R4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:R4
Type:Special Alloy
Country:Sweden
Standard:SS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Cr4W2MoV		China
6W6Mo5Cr4V		China
5Cr4W5Mo2V		China
W18Cr4V		China
W18Cr4VCo8		China
W18Cr4V2Co8		China
W12Cr4V5Co5		China
W6Mo5Cr4V2		China
CW6Mo5Cr4V2		China
W6Mo5Cr4V3		China
CW6Mo5Cr4V3		China
W2Mo9Cr4V2		China
W6Mo5Cr4V2Co5		China
W7Mo4Cr4V2Co5		China
W2Mo9Cr4VCo8		China
W9Mo3Cr4V		China
W6Mo5Cr4V2Al		China
W9Mo3Cr4V coil		China
105Cr4	DIN	Germany
62SiMnCr4	DIN	Germany
105MnCr4	DIN	Germany
60MnSiCr4	DIN	Germany
R4	SS	Sweden
STR446	KS	Korea
STR4	KS	Korea
R44	STAS/SR	Romania
34Cr4	UNE	Spain
37Cr4	UNE	Spain
41Cr4	UNE	Spain
16NiCr4	UNE	Spain
20MoCr4	UNE	Spain
28Cr4	UNE	Spain
GCr4	GBT	China
SCr415H	CNS	China
SCr420H	CNS	China
SCr430H	CNS	China
SCr435H	CNS	China
SCr440H	CNS	China
SCr415	CNS	China
SCr420	CNS	China
SCr430	CNS	China
SCr435	CNS	China
SCr440	CNS	China
SCr445	CNS	China
EN 34Cr4	EN	Euronorm
EN 37Cr4	EN	Euronorm
EN 41Cr4	EN	Euronorm
EN 16N1Cr4	EN	Euronorm
EN 20MoCr4	EN	Euronorm
EN 28Cr4	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	097～467	σb/MPa
Yield Strength	859	σ 0.2 ≥/MPa
Elongation	71	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	492～148	-
HRC	30	-

Physical Properties

Thermal expansion	78-65	e-6/K
Thermal conductivity	64-18	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4426-1760	째C
Density	6247-4262	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
R4 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk