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X21CrMoV12-1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X21CrMoV12-1

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DIN X21CrMoV12-1

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This page is mainly introduced the X21CrMoV12-1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X21CrMoV12-1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steels for larger forgings for components in turbine and generator installations of X21CrMoV12-1

Steel Garde:X21CrMoV12-1
Type:Stainless Steels
Country:Germany
Standard:DIN
Standard Number:

ITEM Standard Number Descriptions

1 SEW 555 Steels for larger forgings for components in turbine and generator installations
Metallographic Structure:Martensite
Application:Steels for larger forgings for components in turbine and generator installations

ITEM	Standard Number	Descriptions
1	SEW 555	Steels for larger forgings for components in turbine and generator installations

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
1.4926	DIN	Germany

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.20	0.26
Si		0.50
Mn	0.30	0.80
P		0.025
S		0.020
Cr	11.00	12.50
Mo	0.80	1.20
Ni	0.30	0.80
V	0.25	0.35

Mechanical Properties

Tensile strength	478～012	σb/MPa
Yield Strength	921	σ 0.2 ≥/MPa
Elongation	50	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	788～467	-
HRC	30	-

Physical Properties

Thermal expansion	92-03	e-6/K
Thermal conductivity	26-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6977-0929	째C
Density	5411-0091	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)
X21CrMoV12-1 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