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38Х2Н2МА chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 38Х2Н2МА

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GOST 38Х2Н2МА

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This page is mainly introduced the 38Х2Н2МА chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 38Х2Н2МА,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:38Х2Н2МА
Type:Stainless Steels
Country:Russia
Standard:GOST

Standard Number:

ITEM	Standard Number	Descriptions
1	GOST 4543	Structural alloy steel bars. Specifications
	GOST 8479	Structural carbon and alloyed steel forgings. General specification

Application:Structural alloy steel bars. Specifications

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
38H2N2MA	GOST	Russia

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.33	0.40
Si	0.17	0.37
Mn	0.25	0.50
Ni	1.30	1.70
S		0.025
P		0.025
Cr	1.3	1.7
Mo	0.20	0.30
Cu		0.30

Mechanical Properties

Tensile strength	502～734	σb/MPa
Yield Strength	079	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	223～796	-
HRC	30	-

Physical Properties

Thermal expansion	85-28	e-6/K
Thermal conductivity	81-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6826-8689	째C
Density	3570-2344	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)
38Х2Н2МА Stainless Steels	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