St-09H16N25M6AF (EI-981A)

Welding wire cold drawn alloy steel welding (surfacing), and the manufacture of electrodes

Classification

Country	Section	Category
CIS, Russia, Ukraine	Materials for welding and soldering	Steel welding wire

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	N, %
GOST 2246-70	45.254–53.63	< 0.4	1–2	15–17	24–27	0.7–1	< 0.018	0.07–0.11	< 0.018	5.5–7	0.1–0.2

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Properties

Property
Note Fluctuations in the tensile strength in one coil of wire with a diameter of more than 1.4 mm should not exceed 90 N / mm2.
It is allowed to increase the upper limit of the temporary tensile strength for a wire with a diameter of more than 2 mm to 1140N / mm2.
It is allowed to increase the upper limit of temporary tensile strength for a wire with a diameter of 2 mm to 1340N / mm2.
It is allowed to increase the upper limit of the temporary tensile strength for a wire with a diameter of less than 2 mm to 1440N / mm2.
For welding Diameter: 0.3 - 0.5 mm; Temporary resistance: 890 - 1390 MPa
Diameter: 0.8 - 1.5 mm; Temporary resistance: 890 - 1340 MPa
Diameter: 1.6mm; Temporary resistance: 890 - 1290 MPa
Diameter: 2mm; Temporary resistance: 790 - 1190 MPa
Diameter:> 2 mm; Temporary resistance: 690 - 1040 MPa
For the manufacture of electrodes Diameter: 1.6 mm; Temporary resistance: 690 - 990 MPa
Diameter: 2mm; Temporary resistance: 690 - 990 MPa
Diameter:> 2 mm; Temporary resistance: 640 - 940 MPa
Density: 8.11 g / cm3

Standards

Standard	Description
GOST 2246-70

Description of chemical elements

Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
V	%	Vanadium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum
N	%	Nitrogen