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G645.90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G645.90

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CSN G645.90

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This page is mainly introduced the G645.90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G645.90,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G645.90

Steel Garde:G645.90
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
UNS G10190	UNS	USA
T41902	UNS	USA
T41904	UNS	USA
T41905	UNS	USA
T41906	UNS	USA
T41907	UNS	USA
Stellite 190
Stellite 190PM
Stellite X90		USA
90Cr3	DIN	Germany
90CrSi5	DIN	Germany
90MnCrV8	DIN	Germany
SK90	JIS	Japan
TC90	JIS	Japan
SS14:2900	SS	Sweden
SS14:2900	SS	Sweden
C90U	ISO	ISO
C90U	ISO	ISO
AISI 690	AISI	USA
UNS N07090	UNS	USA
X90CrCoMoV17	DIN	Germany
SUS890LTP	JIS	Japan
NCF690	JIS	Japan
NCF690TB	JIS	Japan
NCF690TP	JIS	Japan
904S14		UK
1.4590	AFNOR	France
Nimonic 90	B.S.	UK
Nimonic 90	B.S.	UK
UNS J92900	AISI	USA
UNS J92900	AISI	USA
UNS J92901	AISI	USA
UNS J93790	AISI	USA
UNS J21890	AISI	USA
UNS J82090	AISI	USA
UNS J84090	AISI	USA
UNS J22090	AISI	USA
1.7903	DIN	Germany
1.7906	DIN	Germany
1.7909	DIN	Germany
S30908	GBT	China
S32590	GBT	China
90Crl80	STAS/SR	Romania
90VMoCr180	STAS/SR	Romania
90VMn20	STAS/SR	Romania
90VCrMn20	STAS/SR	Romania
45SiCr90	STAS/SR	Romania
T12NNiCrl90	STAS/SR	Romania
T2OMoCr90	STAS/SR	Romania
L290NB	UNE	Spain

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	976～246	σb/MPa
Yield Strength	400	σ 0.2 ≥/MPa
Elongation	73	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	907～608	-
HRC	30	-

Physical Properties

Thermal expansion	24-85	e-6/K
Thermal conductivity	54-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5690-0628	째C
Density	3968-3191	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)
G645.90 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