CSN G637.40

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G637.40 Profile
G637.40 Chemical composition
G637.40 Mechanical Properties
G637.40 Physical Properties
G637.40 Heat treatment
G637.40 Size Availability
G637.40 Relevant products

Profile

This page is mainly introduced the G637.40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G637.40,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G637.40

Steel Garde:G637.40
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Relevant products:

T30402/X155CrVMo12...

D6AC Forging Hollow Bar

Monel400 round bar

06Cr19Ni10/S30408/...

S30409/304H/S30409/1.4948 Tube

S30403/304L/S30403/1.4307 Tube

S32169/321H/S32109/1-4940 Tube

S31608/316/S31600/1.4401 Tube

S31603/316L/S31600/1.4404 Tube

Monel400/N04400/2....

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
T30403	UNS	USA
T30404	ASTM	USA
T30405	UNS	USA
T30407	UNS	USA
SS440	JIS	Japan
CPM 440V	AISI	USA
HAP 40	AISI	USA
Stellite 1040		USA
Stellite T40		USA
1.1740	DIN	Germany
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
1.2740	DIN	Germany
1.3340	DIN	Germany
SK140	JIS	Japan
SKH40	JIS	Japan
P40	JIS	Japan
M40	JIS	Japan
A40	JIS	Japan
ST40E	JIS	Japan
ST40E	JIS	Japan
X40P		UK
X40P		UK
40CrMnMo8	AFNOR	France
40CrMnMo8	AFNOR	France
X40Cr14	AFNOR	France
X40Cr14	AFNOR	France
40CrMoV13	AFNOR	France
40CrMoV13	AFNOR	France
40NiCrMo16	AFNOR	France
40NiCrMo16	AFNOR	France
X40CrMoV5	AFNOR	France
X40CrMoV5	AFNOR	France
G40	AFNOR	France
G40	AFNOR	France
G50	AFNOR	France
G50	AFNOR	France
S40	AFNOR	France
S40	AFNOR	France
H03	AFNOR	France
H03	AFNOR	France
SS14:2140	SS	Sweden
SS14:2540	SS	Sweden
SS14:2540	SS	Sweden

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	643～107	σb/MPa
Yield Strength	886	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	755～751	-
HRC	30	-

Physical Properties

Thermal expansion	99-55	e-6/K
Thermal conductivity	92-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5345-3972	째C
Density	3047-5706	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)
G637.40 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