DIN 1.7903

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1.7903 Profile
1.7903 Chemical composition
1.7903 Mechanical Properties
1.7903 Physical Properties
1.7903 Heat treatment
1.7903 Size Availability
1.7903 Relevant products

Profile

This page is mainly introduced the 1.7903 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.7903,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.7903

Steel Garde:1.7903
Type:Special Alloy
Country:Germany
Standard:DIN
Application:

Relevant products:

SKD-11 Cold working die steel

X165CrMoV12 Cold...

17-4ph steel wire

T30402/X155CrVMo12...

1.4980 Round Bar

DT413 / 4Cr5MoSiV1MOD

1.4980

45Cr14Ni14W2Mo forging

GH 3536 Sheet

UNS NO7718 Coil/Strip/Sheet

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q195		China
Q215		China
Q215 B		China
ASTM 1030	ASTM	USA
UNS G10300	UNS	USA
ASTM 1005	ASTM	USA
UNS G10050	UNS	USA
ASTM 1006	ASTM	USA
UNS G10060	UNS	USA
ASTM 1008	ASTM	USA
UNS G10080	UNS	USA
ASTM 1010	ASTM	USA
UNS G10100	UNS	USA
ASTM 1011	ASTM	USA
UNS G10110	UNS	USA
ASTM 1012	ASTM	USA
UNS G10120	UNS	USA
ASTM 1013	ASTM	USA
UNS G10130	UNS	USA
ASTM 1015	ASTM	USA
UNS G10150	UNS	USA
UNS G10160	UNS	USA
ASTM 1016	ASTM	USA
UNS G10170	UNS	USA
ASTM 1017	ASTM	USA
ASTM 1018	ASTM	USA
UNS G10180	UNS	USA
UNS G10190	UNS	USA
ASTM 1019	ASTM	USA
ASTM 1020	ASTM	USA
UNS G10200	UNS	USA
UNS G10210	UNS	USA
ASTM 1021	ASTM	USA
T10		China
T11		China
T12		China
T13		China
6CrMnSi2Mo1V		China
5Cr3Mn1SiMo1V		China
Cr12		China
Cr12Mo1V1		China
Cr12MoV		China
Cr5Mo1V		China
4Cr5MoSiV1		China
7Mn15Cr2A13V2WMo		China
SM1CrNi3		China
SM3Cr2Ni1Mo		China
SM2CrNi3MoAl1S		China
SM4Cr5MoSiV1		China
SMCr12Mo1V1		China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	426～518	σb/MPa
Yield Strength	235	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	520～359	-
HRC	30	-

Physical Properties

Thermal expansion	84-11	e-6/K
Thermal conductivity	47-49	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3947-5259	째C
Density	7279-8785	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)
1.7903 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