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1Cr12Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1Cr12Mo

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GB 1Cr12Mo

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This page is mainly introduced the 1Cr12Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1Cr12Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1Cr12Mo

Steel Garde:1Cr12Mo
Type:Stainless Steels
Country:China
Standard:GB

Standard Number:

ITEM	Standard Number	Descriptions
1	GB/T 1221 (1992)	Heat-resisting steel bars
2	GB/T 8732 (2004)	Steels of blade for steam turbine

Metallographic Structure:Martensite
Application:Heat-resisting steel bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
12Cr12Mo / 1Cr12Mo	GB	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.10	0.15
Si		0.50
Mn	0.30	0.50
P		0.035
S		0.300
Ni	0.30	0.60
Cr	11.50	13.00
Mo	0.30	0.60
Cu		0.30

Mechanical Properties

Tensile strength	344～591	σb/MPa
Yield Strength	278	σ 0.2 ≥/MPa
Elongation	74	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	383～670	-
HRC	30	-

Physical Properties

Thermal expansion	79-14	e-6/K
Thermal conductivity	79-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6516-5687	째C
Density	0087-6711	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)
1Cr12Mo Stainless Steels	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