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30Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30Cr

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GBT 30Cr

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This page is mainly introduced the 30Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30Cr,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
30Cr

Steel Garde:30Cr
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X30Cr13	AFNOR	France
30CrNiMo8	AFNOR	France
GS-30CrMoV6 4	DIN	Germany
ISO X30Cr13	ISO	ISO
30Cr130	STAS/SR	Romania
30CrNiMo8	UNE	Spain
30CrMoV12	UNE	Spain
30CrMoV12	UNE	Spain
30CrMo	GBT	China
30CrMoA	GBT	China
30CrMnSi	GBT	China
30CrMnSiA	GBT	China
30CrMnTi	GBT	China
30CrNi3	GBT	China
30CrMnMoTiA	GBT	China
30CrNi2MoVA	GBT	China
30CrMnSiNi2A	GBT	China
ML30CrMo	GBT	China
ML30CrMnSiA	GBT	China
ML30CrMoA	GBT	China
EN 30CrNiMo8	EN	Euronorm
EN 30CrNiMo8KD	EN	Euronorm
EN X30Cr13	EN	Euronorm
EN X30Cr13	EN	Euronorm
EN X30Cr13	EN	Euronorm
EN 30CrNiMoS	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	720～292	σb/MPa
Yield Strength	840	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	408～123	-
HRC	30	-

Physical Properties

Thermal expansion	00-24	e-6/K
Thermal conductivity	46-17	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4374-0776	째C
Density	1189-5354	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)
30Cr 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