AISI ICI 4340

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ICI 4340 Profile
ICI 4340 Chemical composition
ICI 4340 Mechanical Properties
ICI 4340 Physical Properties
ICI 4340 Heat treatment
ICI 4340 Size Availability
ICI 4340 Relevant products

Profile

This page is mainly introduced the ICI 4340 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ICI 4340,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ICI 4340

Steel Garde:ICI 4340
Type:Special Alloy
Country:USA
Standard:AISI
Application:

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
ICI 1020	AISI	USA
ICI 1030	AISI	USA
ICI 1040	AISI	USA
ICI 1050	AISI	USA
ICI 6120	AISI	USA
ICI 4020	AISI	USA
ICI 4130	AISI	USA
ICI 4140	AISI	USA
ICI 4330	AISI	USA
ICI 4620	AISI	USA
ICI 6150	AISI	USA
ICI 8620	AISI	USA
ICI 8630	AISI	USA
ICI 52100	AISI	USA
OTA10TiMoNiCil70	STAS/SR	Romania
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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	417～527	σb/MPa
Yield Strength	237	σ 0.2 ≥/MPa
Elongation	51	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	864～485	-
HRC	30	-

Physical Properties

Thermal expansion	23-97	e-6/K
Thermal conductivity	17-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6167-2028	째C
Density	7402-8918	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)
ICI 4340 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