GBT 40Cr

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40Cr Profile
40Cr Chemical composition
40Cr Mechanical Properties
40Cr Physical Properties
40Cr Heat treatment
40Cr Size Availability
40Cr Relevant products

Profile

This page is mainly introduced the 40Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40Cr,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40Cr

Steel Garde:40Cr
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Relevant products:

D6AC Forging Hollow Bar

1.2344(H13/X40CrMo...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
140Cr3	DIN	Germany
140Cr2	DIN	Germany
140CrV1	DIN	Germany
40CrMnMo7	DIN	Germany
40CrMnMoS8-6	DIN	Germany
40CrMnNiMo8-6-4	DIN	Germany
40CrMoV7	DIN	Germany
X40CrMoV5-1	DIN	Germany
40CrMnMo8	AFNOR	France
40CrMnMo8	AFNOR	France
X40Cr14	AFNOR	France
X40Cr14	AFNOR	France
40CrMoV13	AFNOR	France
40CrMoV13	AFNOR	France
X40CrMoV5	AFNOR	France
X40CrMoV5	AFNOR	France
40CrMnNiMo8-6-4①	ISO	ISO
40CrMnNiMo8-6-4①	ISO	ISO
X40CrSiMo10-2	DIN	Germany
X40CrCoNb13-13	DIN	Germany
40CrMoV4-6	AFNOR	France
X40CrSiMo10-2	AFNOR	France
ISO 40CrMo5 6	ISO	ISO
ISO 40CrMoV4 6	ISO	ISO
40Cr130	STAS/SR	Romania
40Cr10	STAS/SR	Romania
40Cr10S	STAS/SR	Romania
40Cr10X	STAS/SR	Romania
40Cr10XS	STAS/SR	Romania
40CrNi12	STAS/SR	Romania
40CrNi12S	STAS/SR	Romania
40Cr10q	STAS/SR	Romania
40CrNi12q	STAS/SR	Romania
40Cr10q	STAS/SR	Romania
40Cr10AT	STAS/SR	Romania
S40CrMnlSil	STAS/SR	Romania
X40Cr13	UNE	Spain
X40CrMoSiV5	UNE	Spain
40CrMnMo7	UNE	Spain
X40Cr13	UNE	Spain
X40CrM05iV5	UNE	Spain
40CrV	GBT	China
40CrMn	GBT	China
40CrMnMo	GBT	China
40CrNi	GBT	China
40CrNiMoA	GBT	China
40CrH	GBT	China
ML40Cr	GBT	China
ML40CrMoA	GBT	China
EN 40CrMnNiMo8-6-4	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	260～180	σb/MPa
Yield Strength	256	σ 0.2 ≥/MPa
Elongation	53	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	237～419	-
HRC	30	-

Physical Properties

Thermal expansion	97-14	e-6/K
Thermal conductivity	18-23	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1421-4570	째C
Density	5116-8717	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)
40Cr 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