E-46

MR-3

TU 14-4-1853-2001

GOST 9466-75

GOST 9467-75

Rutile

R

Welding of critical constructions made from carbon steel with ultimate tensile strength up to 490 N/mm2 and carbon content up to 0,25%

≥450 N/mm2

≥18%

≥79 Joule/sm2

3; 4; 5; 6

alternating or direct current of reversed polarity

any, except vertical downward welding

E-46

MR-3M

TU 14-4-1863-2001

GOST 9466-75

GOST 9467-75

Ilmenite

AR

Welding of constructional carbon and low-alloyed steels with ultimate tensile strength up to 490 N/mm2

≥450 N/mm2

≥18%

≥78 Joule/sm2

3; 4; 5; 6

alternating or direct current of reversed polarity

any, except vertical downward welding

E-46

OZS-4

TU 14-4-1854-2001

GOST 9466-75

GOST 9467-75

Rutile

R

Welding of critical constructions made from carbon steel with ultimate tensile strength up to 490 N/mm2

≥450 N/mm2

≥18%

≥79 Joule/sm2

3; 4; 5; 6

alternating or direct current of direct polarity

any, except vertical downward welding

E-42A

UONI 13/45

TU 14-4-1855-2001

GOST 9466-75

GOST 9467-75

Basic

B

Welding of critical constructions made from carbon and low-alloyed steels operating at cold temperatures when the weld metal has to meet advanced ductility and impact elasticity requirements

≥410 N/mm2

Welding seal lad angle ≥1800

≥22%

≥147 Joule/sm2

2; 2,5; 3; 4; 5; 6

direct current of reversed polarity

any, except vertical downward welding

E-50A

UONI 13/55

TU 14-4-1856-2001

GOST 9466-75

GOST 9467-75

Basic

B

Welding of critical constructions made from carbon and low-alloyed steels operating at cold temperatures when the weld metal has to meet advanced ductility and impact elasticity requirements

≥490 N/mm2

Welding seal lad angle ≥1500

≥20%

≥128 Joule/sm2

2; 2,5; 3; 4; 5; 6

direct current of reversed polarity

any, except vertical downward welding

E-07H20N9

OZL-8

TU 14-4-1857-2001

GOST 9466-75

GOST 9467-75

Basic

B

Welding of corrosion-resistant chrome-nickel steels (grades 08H18N10; 12H18N9; 08H18N10T), if there are no rigid intercrystalline corrosion resistance requirements

≥539 N/mm2

Welding seal lad angle ≥1600

≥30%

≥98 Joule/sm2

2; 2,5; 3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-320H25S2GR

T-590

TU 14-4-1858-2001

GOST 9466-75

GOST 9467-75

Other

P

Fusion of details, operating mainly under abrasive wear conditions

Weld metal rigidity

57-63 HRCe

4; 5

alternative or direct current of direct polarity

downhand or inclined welding

CH4

TU 14-4-1859-2001

GOST 9466-75

Basic

B

Cold welding, patching of constructions made from globular graphite high-test cast iron with, or from flakish graphite grey cast iron, or their combinations with steel, welding of faulty details, preparatory fusion of 1-2 layers on worn-out cast iron details before the following special electrodes welding

480-510

N/mm2

Weld metal rigidity

160-190 HB

3; 4; 5

alternative or direct current of reversed polarity

downhand welding

E-50A

TMU-21U

TU 14-4-1855-2001

GOST 9466-75

GOST 9467-75

Basic

B

Welding of critical constructions of thermal or nuclear power stations and pipelines made from carbon and low-alloyed steels (e.g. steel grade 15GS)

≥490 N/mm2

≥20%

≥127 Joule/sm2

3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-10H25N13G2

OZL-6

TU 14-4-1866-2001

GOST 9466-75

GOST 10052-75

Basic

B

Welding of critical equipment made from mouldings of heat-resistant steel (grade 20H23N13, 20H23N18) rolling, operating in oxidizing medium up to 10000C, welding of chromium 15H25T and 25H25N202 steels, carbon and low-alloyed steels with high-alloyed austenitic steels

≥539 N/mm2

≥25%

≥88 Joule/sm2

3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-08H19N10G2B

CT-15

TU 14-4-1887-2001

GOST 9466-75

GOST 10052-75

Basic

B

Welding of critical units made from high-alloyed heat-resistant and high-temperature austenitic steels grades H18N9T-L, H20N12T-L, H16N13B, 12H18N9T, 12H18N12T, operating in oxidizing medium at 570-6500C when the weld metal has to meet intercrystalline corrosion resistance requirements

≥539 N/mm2

≥24%

>78 Joule/sm2

2; 2,5; 3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-90H4M4BF

OZI-3

TU 14-4-1887-2001

GOST 9466-75

GOST 10052-75

Basic

B

Fusing of hot or cold deforming dies operating at contact areas heating to 6500C, as well as high-wear details of mining and smelting or machining facilities

Weld metal rigidity

58-63 HRCe

(after tempering 5600C, 2 hours)

2,5; 3; 4; 5

direct current of reversed polarity

downhand or inclined welding

MNH-2

TU 14-4-1888-2001

GOST 9466-75

Basic

B

Welding, casting defects patching, and fusing of details made from gray high-test or malleable cast iron, fusion of the first lay in units, requiring high density weld seams, welding of joints, that has to meet advanced surface smoothness requirements

Weld metal rigidity

120-160 HB

3; 4; 5; 6

direct current of reversed polarity

downhand vertical upward or semi-ceiling welding

TML-1U

TU 1272-008-0018-7240-2003

GOST 9466-75

GOST 9467-75

Basic

B

Manual arc welding of steampipes made from steel grades 12HM, 15HM, 12H1MF, 20HMFL, 15H1M1F, operating at the temperature up to 5400C; as well as manual arc welding of heating surface elements made from steel grades 12H1MF, 12H2MFSR, 12H2MFB, regardless of operating temperature

≥470 N/mm2

≥18%

≥88 Joule/sm2

3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

ER-MMK

STP MMK

373-2001

GOST 9466-75

Special

Prestressed reinforcement rod cutting, as well as cutting, gouging, punching, patching of castings or other wares made from steel of any grade, cast-iron, copper alloys; good for removing of defect seams or their segments, tacks, rivets, bolts, patching of casting defects, or flaws

-

-

-

4; 5; 6

alternative or direct current of reversed polarity

downhand cutting

E-11H15N

25M6AG2

NIAT-5

TU 1273-012-00187240-2003

GOST 9466-75

GOST 10052-75

Basic

B

Manual arc welding of critical constructions made from steel grades 30HGSA, 30 HGSNA, as well as other low-alloyed and alloyed quenched steels without annealing, or austenitic steels, or their combination with low-alloyed and alloyed steels

≥588 N/mm2

Welding seal lad angle ≥1500

≥30%

≥98 Joule/sm2

2; 2,5; 3; 4; 5

direct current of reversed polarity

downhand horizontal on vertical surface or vertical upward

E-04H20N9

OZL-36

TU 1273-011-00187240-2003

GOST 9466-75

GOST 10052-75

Rutile-basic

RB

Manual arc welding of corrosion-resistant chromium-nickel steel grades 08H18N10, 08H18N10T, 06H18N11, 08H18N12T and alike when the weld metal has to meet intercrystalline corrosion resistance requirements in initial state, as well as after momentary expositions under critical temperatures

≥539 N/mm2

≥30%

≥98 Joule/sm2

3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-09H1M

TML-3U

TU 1272-014-00187240-2003

GOST 9466-75

GOST 9467-75

Basic

B

Manual arc welding of steampipes made from steel grades 12H1MF, 15H1M1F,20HMFL, 15H1M1FL operating at the tension and at the temperature up to 5400C; manual arc welding of heating surface elements made from steel grades 12H1MF, 12H2MFB, 12H2MFSR regardless of operating temperature; patching of defects in elements made from the above-mentioned steels

≥490 N/mm2

≥16%

≥78 Joule/sm2

3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-08H17N8S6G

CN-6L

TU 1273-019-00187240-2003

GOST 9466-75

GOST 10051-75

Basic

B

Fusing of tight shells, operating at the temperature up to 5700C and at the pressure up to 78 MPa

Weld metal rigidity

29,5-39,0 HRCe

(after tempering 7500C, 1 hour, with retarded cooling to 2000C and then air cooling)

4; 5

direct current of reversed polarity

downhand welding

E-13H16N8M5

S5G4B

CN-12M-67

TU 1273-018-00187240-2003

GOST 9466-75

GOST 10051-75

Basic

B

Fusing of sealing surfaces of reinforcement details of power installations, operating at high pressures and temperature up to 6000C, as well as fusing of other details requiring seizing-resistance

Weld metal rigidity

35,5-51,5 HRCe

(after tempering 7500C, 1 hour for pearlitic steels, 8500C тАУ for austenitic steels, with retarded cooling to 2000C and then air cooling)

4; 5

direct current of reversed polarity

downhand welding

E-08H20N9G2B

CL-11

TU 1273-021-00187240

GOST 9466-75

GOST 10052-75

Basic

B

Manual arc welding of corrosion-resistant chromium-nickel steel grades 12H18N10T, 12H18N9T, 08H18N12T and alike when the weld metal has to meet intercrystalline corrosion resistance requirements

≥539 N/mm2

Welding seal lad angle >1500

≥22%

≥78 Joule/sm2

2; 2,5; 3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

EA-395/9

TU 1273-023-00187240

GOST 9466-75

Basic

B

Manual arc welding of critical constructions made from alloyed high- or advanced-strength steels in heat-hardenable state without heat-treatment after welding, including steel types AK; as well as welding of carbon low-alloyed and austenitic steels

≥608 N/mm2

≥30%

≥117 Joule/sm2

3; 4; 5

direct current of reversed polarity

any, except vertical downward welding

E-65H25G13N3

CNIIN-4

TU 1273-022-00187240

GOST 9466-75

GOST 1001-75

Other

P

Fusing of worn-out parts and casting defects patching of railway frogs or other details made from high-manganese steels of 110G13L type

Weld metal rigidity

25,0-37,0 HRCe

4

direct current of reversed polarity

downhand welding

OZS-4

≤0,11

0,50-0,85

0,10-0,20

≤0,040

≤0,045

the rest

MR-3

0,08-0,11

0,50-0,80

0,07-0,12

≤0,040

≤0,045

the rest

UONI-13/45

0,08-0,11

0,45-0,80

0,20-0,30

≤0,030

≤0,035

the rest

UONI-13/55

0,08-0,11

0,60-1,20

0,20-0,50

≤0,030

≤0,035

the rest

T-590

2,9-3,5

1,0-1,5

2,0-2,5

≤0,035

≤0,040

22,0-27,0

0,5-1,5

the rest

CH-4

≤0,25

≤2,5

≤0,8

≤0,040

≤0,040

8,5-10,5

the rest

OZL-8

≤0,09

1,0-2,0

0,3-1,2

≤0,020

≤0,030

18,0-21,5

7,5-10,0

the rest

2-8

TMU 21U

0,07-0,12

0,70-1,00

0,20-0,43

≤0,030

≤0,035

the rest

OZL 6

≤0,12

1,00-2,50

≤1,0

≤0,020

≤0,030

22,5-27,0

11,5-14,0

the rest

2-10

CT-15

0,05-0,12

1,00-2,50

≤1,3

≤0,020

≤0,030

18,0-20,5

8,5-10,5

0,7-1,3

but

>8C

the rest

2,0-5,5

OZI-3

0,6-0,12

≤0,7

≤0,8

≤0,030

≤0,035

12,8-4,4

0,6-1,3

0,9-1,7

2,4-4,6

the rest

MNC-2

0,06-0,12

1,8-2,6

64-68

the rest

2,2-3,5

ML-1U

0,08-0,14

0,5-0,9

0,15-0,40

≤0,025

≤0,035

0,8-1,2

0,4-0,7

the rest

NIAT-5

≤0,06

1,00-2,30

≤0,70

≤0,020

≤0,030

13,5-17,0

23,0-27,0

AZOT≤0,20

4,5-7,0

the rest

OZL-36

0,06-0,12

1,00-2,00

0,30-1,20

≤0,018

≤0,030

18,0-22,5

7,5-10,0

the rest

4-10

TML-3U

0,05-0,12

0,50-0,90

≤0,40

≤0,025

≤0,030

0,80-1,25

0,1-0,3

0,4-0,7

the rest

CN-6L

0,05-0,12

1,00-2,00

4,80-6,40

≤0,025

≤0,030

15,0-18,4

7,0-9,0

the rest

CN-12M-67

0,08-0,18

3,00-5,00

3,80-5,20

≤0,025

≤0,030

14,0-19,0

6,5-10,5

0,5-1,2

3,5-7,0

the rest

CL-11

0,05-0,12

1,00-2,50

≤1,30

≤0,020

≤0,030

18,0-22,0

8,5-10,5

0,7-1,3

but>8C

the rest

2-10

EA-395/9

≤0,12

0,95-2,23

≤0,75

≤0,018

≤0,025

13,75-17,25

22,75-27,25

AZOT

0,10-0,15

4,4-7,1

the rest

CNIIN-4

0,50-0,80

1,10-1,40

≤0,80

≤0,035

≤0,040

22,00-28,50

2,30-3,50

the rest

MR-3M

≤0,12

0,45-0,65

≤0,20

≤0,040

≤0,045