AFNOR M78

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M78 Profile
M78 Chemical composition
M78 Mechanical Properties
M78 Physical Properties
M78 Heat treatment
M78 Size Availability
M78 Relevant products

Profile

This page is mainly introduced the M78 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M78,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde: M78
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Relevant products:

SKD-11 Cold working die steel

X165CrMoV12 Cold...

17-4ph steel wire

A387 F5 / Grade 5 Coil / Sheet

D2 Round Bar

P20 tool steel round bar

D3 tool steel round bar/plate

T30402/X155CrVMo12...

1.4980 Round Bar

DT413 / 4Cr5MoSiV1MOD

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q195		China
Q215		China
Q215 B		China
Q235		China
Q235 B		China
Q235 C		China
Q235 D		China
Q255 A		China
Q255 B		China
Q275		China
Q235q C		China
Q235q D		China
Q345q E		China
Q345q C		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
T7		China
T8		China
T8Mn		China
T9		China
T10		China
T11		China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	467～592	σb/MPa
Yield Strength	468	σ 0.2 ≥/MPa
Elongation	95	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	365～463	-
HRC	30	-

Physical Properties

Thermal expansion	05-05	e-6/K
Thermal conductivity	47-17	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6046-6433	째C
Density	6892-3350	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)
M78 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