Flux-Cored Wires

 

Workhardening Austenite Surfacing

Typical chemical composition of pure weld metal (in wt.-%)
         
DURMAT® C Si Mn Cr Ni Mo Nb V Co Fe + Hardness
FD 200 K 0.1 0.5 6 19 8.5 - - - - Bal. - 180-200 HB / 400-450 HB*
FD 240 K 1.1 0.3 14 4 0.6 - - - - Bal. - 200-230 HB / 400-450 HB*
FD 250 K 0.5 0.5 16 14 1.2 0.6 - 0.2 - Bal. - 230-260 HB / 450-500 HB*
FD 270 K 1.1 - 19 18 - - 3 - - Bal. - 250 HB / 500 HB*
FD 295 HY 0.2 <3 9-11 18-20 - - - - 9-11 Bal. N+ 280-300 HB / 450 HB*

EXAMPLE | DURMAT® FD 200 K

  • Stainless, antimagnetic and workhardening.
  • Heat resistant up to 850 °C.
  • Can be applied as a buff er layer.
Classification
DIN EN 14700: T Fe-10-200-CKNPZ /
DIN 8555: MF 8-200-CKNPZ
Applications
Repair of manganese steel buckets and shovels, high tensile tools & dies, clutches, crane wheels, earthmoving undercarriage parts, gear wheels, etc.
Hardness
180-200 HB
Work hardened: 400-450 HB
 

Impact Resistant Coatings

Typical chemical composition of pure weld metal (in wt.-%)
                                 
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Fe + Hardness
FD 300 0.1 0.5 2 2.5 - 0.3 - - - - - + Bal. - 280-325 HB
FD 310 0.2 1 1 13.5 3.5 1 0.2 0.15 - - - - Bal. - 40-44 HRC
FD 356 0.1 0.3 0.8 17 4.6 1.1 0.2 0.15 - - - - Bal. - 40-42 HRC
FD 400 0.2 - - 3 - 0.3 - - - - - - Bal. - 38-42 HRC
FD 450 0.2 - - 4 - 0.4 - 0.2 - - - - Bal. - 43-45 HRC
FD 476 0.3 0.3 0.8 16 4 1.5 - 1 1 - 1.5 - Bal. - 48-50 HRC
FD 495 0.2 0.7 0.4 15 - 3.2 - - - - 14 - Bal. - 48-50 HRC / 53 HRC*
FD 580 0.35 0.6 2 6.5 - 1.5 - 0.5 1.2 - - - Bal. - 48-52 HRC
FD 600 0.5 1 3 6.5 - 0.8 - 0.2 - - - - Bal. - 55-58 HRC
FD 600 TIC 1.8 1.6 1.4 7 - 1.4 - - - - - 5 Bal. - 56-58 HRC
FD 601 0.5 1 3 6 - 1.6 - 1.5 1 - - - Bal. - 56-60 HRC
FD 605 0.5 - - 6 - 1.3 - - - - - - Bal. SC: 12 55-60 HRC
FD 609 0.5 2.8 0.8 9.5 0.3 - - - - - - - Bal. - 55-57 HRC
FD 615 0.5 - - 17-18 0.6 1.3 - - - - - - Bal. SC: 16 48-52 HRC
FD 629 0.6 - - 7 - 3 - - - - - - Bal. SC: 20 58-63 HRC
FD 710 1.4 1 1 8 - 1 - 1 - 1 - - Bal. - 62-65 HRC
FD 760 1.4 0.7 1.3 7 - 0.8 8 1 1.2 - - - Bal. - 55-57 HRC

EXAMPLE | DURMAT® FD 600

  • Flux-Cored Wire which enables a Cr-Mo-V alloyed deposit for semi automatic and automatic surfacing.
  • Good resistance to tempering and good crack resistance.
Classification
DIN EN 14700: T Fe3-60-PS / DIN 8555: MF 6-60-P
Applications
Parts subjected to abrasion, impact and compressive loads, sand pumps, dredge pump arms, dredge ladder rolls, etc.
Hardness
55-58 HRC
 

Abrasion Resistant Hard-facing

Typical chemical composition of pure weld metal (in wt.-%)
                                                         
DURMAT® C Si Mn Cr Ni Mo Nb V W B Fe + Hardness
FD 42 1.8 0.9 1.2 28 3 0.8 - - - - Bal. - 41-44 HRC
FD 50 3.2 1.8 1.8 15 - - - - - - Bal. - 50-54 HRC
FD 51 4.8 0.8 0.8 21 - - - - - 5 Bal. - 58-59 HRC
FD 53 ES 3.8 1.2 - 32 0.5 0.4 - 1 - - Bal. - 58-62 HRC
FD 55 4.8 1.2 0.6 29 - - - - - - Bal. - 55-59 HRC
FD 55 Mo 5 1.2 0.4 28 - 1.3 - - - - Bal. - 57-60 HRC
FD 56 5.4 1 0.4 32 - - - - - - Bal. - 61-63 HRC
FD 56 Mo 5.3 1 - 31 - 0.7 - - - + Bal. - 60-64 HRC
FD 59 5.2 1.2 0.4 31 - 0.5 - - - - Bal. - 60-62 HRC
FD 59 L 3.8 1.2 - 33 - 0.5 - - - - Bal. - 57-59 HRC
FD 59 XL 3 1.3 - 32 3 0.5 - - - - Bal. - 50-53 HRC
FD 60 5.2 1.1 0.4 22 - - 7 - - - Bal. - 61-63 HRC
FD 61 5.2 1.3 - 22 - - 7 - - 1 Bal. - 62-65 HRC
FD 62 5.4 1.2 - 29 - - 3 - - Bal. Bal. - 60-63 HRC
FD 64 4.5 1.2 1.2 24 - - - 0.8 0.8 1 Bal. - 63-65 HRC (600 °C: 58 HRC)
FD 65 5.2 1 0.4 21 - 7 7 1 2 - Bal. - 63-65 HRC (800 °C: 53 HRC)
FD 67 5.4 1 0.4 21 - - - 10 - - Bal. - 64-67 HRC
FD 68 5 0.8 0.4 38 - - - - - 2 Bal. - 66-68 HRC (800 °C: 54 HRC)
FD 69 5.2 0.8 0.4 32 - - 5 - - 1.9 Bal. - 64-67 HRC
FD 70 5.2 1 0.4 27 - - - 6 - - Bal. - 62-64 HRC
FD 75 5.2 1.2 0.6 22 - 4.5 6.4 0.8 1.4 - Bal. - 62-64 HRC (700 °C: 55 HRC)
FD 78 5 1.3 0.5 16 - - 6.5 6.5 - 1.2 Bal. - 64-68 HRC
FD 79 5 1 - 21 - - 6 2.5 - 1.3 Bal. - 64-68 HRC
FD 164 5.3 1.2 - 28 - - - - - - Bal. Zr: 0.35 60-64 HRC
FD 720 0.7 1 2 - 2 - - - - 4.5 Bal. - 64-66 HRC
FD 721 1.5 1 2 16 - - - - - 3.5 Bal. - 64-66 HRC
FD 733 3.5 1 1 18 - - 4 - - 1.4 Bal. - 66-68 HRC
FD 739 1 - - 20 - 3.3 3.4 - 5.7 4.4 Bal. - 67-70 HRC
FD 740 1 - - 20 - 3.3 - - 5.7 4.4 Bal. - 65-68 HRC

EXAMPLE | DURMAT® FD 60

  • Flux-Cored Wire for hard-facing particularly for extreme abrasive wear.
  • Free of slag, weldability is excellent.
  • Best results by welding in two layers. Cannot be heat treated, machined or forged.
Classification
DIN EN 14700: T Fe15-60-G / DIN 8555: MF 10-60-G
Applications
Parts for coal mining equipment, cement and mineral industries etc.
Hardness
61 - 63 HRC
 

Cobalt Base Alloys (Co)

Typical chemical composition of pure weld metal (in wt.-%)
                 
DURMAT® C Si Mn Cr Ni Mo W Co Fe + Hardness
DUROLIT 1 2.4 0.7 0.4 28 - - 11.5 Bal. <4 - 52-55 HRC (600 °C: 40 HRC)
DUROLIT 6 1.1 1.2 0.7 29 - - 4.5 Bal. <4 - 40-43 HRC (600 °C: 26 HRC)
DUROLIT 6 LC 0.9 1.2 0.7 29 - - 4.5 Bal. <4 - 36-39 HRC
DUROLIT 6 HC 1.3 1.2 0.7 29 - - 4.5 Bal. <4 - 42-46 HRC
DUROLIT 12 1.4 1 0.8 29 - - 8 Bal. <4 - 46-48 HRC (600 °C: 36 HRC)
DUROLIT 21 0.25 1 0.8 28 2.5 5.5 - Bal. <4 - 30-35 HRC / 45 HRC*
DUROLIT 21 LC 0.2 1 0.8 28 2.5 5.5 - Bal. <4 - 25-30 HRC / 40 HRC*
DUROLIT 25 0.1 1 0.5 20 10 - 14.5 Bal. <4 - 20-30 HRC/45 HRC*
DUROLIT 712 1.8 0.5 0.5 29 <3 9 - Bal. - - 48 HRC

EXAMPLE | DUROLIT® 6

  • Austenitic structure bearing chrome and tungsten carbides.
  • Resistant to high corrosion and abrasion, high impact stress and extreme temperature Shocks.
  • Impact and thermal shock resistant.
Classification
DIN EN 14700: T Co2 / DIN 8555: MF 20-45-CTZ
Applications
Steam and chemical valves, equipment handling hot steel such as tong bits, shear blades, pumps for high temperature liquids, etc.
Hardness
55 HRC
600°C: 44 HRC
800°C: 34 HRC
 

Nickel Base Alloys (Ni)

Typical chemical composition of pure weld metal (in wt.-%)
                 
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Fe Hardness
DUROLOY 520 W 0.05 - - 19 Bal. 6 - 0.3 5 - 10 3 2 - 32-35 HRC / 45 HRC*
DUROLOY 521 W 0.06 - - 19 Bal. 6 - - 0.8 - 11.5 3 2 - 190 HB
DUROLOY 625 0.05 0.3 0.5 22 Bal. 9 3.5 - - - - - - <3 -
DUROLOY CO 0.08 - - 16 Bal. 16 - 0.3 4.5 - 2.5 - - <5 260-280 HB / 450 HB*
DUROLOY SE 1/58 0.75 4.7 - 20 Bal. - - - - 3.2 - - - <5 58-62 HRC
DUROLOY SE 6/40 0.4 4.5 - 22 Bal. - - - 2 1.4 - - - <5 41-43 HRC
DUROLOY SE 12/50 0.6 4.9 - 21 Bal. 2.5 - - - 2.8 - - - <5 48-52 HRC
DUROLOY SE 21/35 0.35 4.5 - 20 Bal. - - - 2 0.7 - - - <4 34-36 HRC
DUROLOY SE 56 0.65 4.6 0.2 21 Bal. 2.5 - - - 2.9 - - - - 55-58 HRC

EXAMPLE | DUROLOY® 520W

  • High hot hardness and thermal shock resistance.
  • Good corrosion and wear resistance.
Classification
DIN EN 14700: T Ni2-40-CKPTZ / DIN 8555: MF 23-40-CKPTZ
Applications
Critical high temperature applications like hot forging dies or hot shear blades etc.
Härte
32 - 35 HRC
Work hardened: 45 HRC
 

Build-up Wires

Typical chemical composition of pure weld metal (in wt.-%)
     
DURMAT® C Si Mn Cr Ni Mo Ti Fe + Hardness
FD CROMO 1 0.1 0.5 1 1.3 - 0.6 - Bal. - 280 HV (Tensile strength 680 N/mm2)
FD CROMO 2 0.1 0.4 1.2 2.4 - 0.8 - Bal. - 300 HV (Tensile strength 700 N/mm2)
FD NiCrMo 2.2 0.06 - 1.6 0.4 2.2 0.4 + Bal. - 280-320 HV (ZV 900-960 N/mm2)

EXAMPLE | DURMAT® FD CROMO 1

  • Suitable for medium alloyed steels, that are considered to be hard to weld; for high tensile steel, heat treatable hard facing and designed for build up welding on wornout parts.
  • Very high crack resistance, highly resistant against impact and pressure wear.
Classification
DIN EN 14700: T Fe1-300-P / DIN 8555: MF 1-300-P
Applications
ol steel, armour steel, crane pulley wheels, transport-rollers, moulds or dies , built up welding.
Hardness
280 HV30
Tensile strength: ≈680 N/mm2
 

Cast Iron Welding

Typical chemical composition of pure weld metal (in wt.-%)
   
DURMAT® C Si Mn Ni Fe + Hardness
FD NiFe36 0.1 1 3 36 Bal. - ≈160 HB
DUROLOY NiFe 60/40 <0.5 <1 4 Bal. 40 - 160-190 HB

EXAMPLE | DURMAT® FD NiFe36

  • Flux-Cored Wire electrode for welding cast iron, joining steel and cast iron and cast cavity welding.
  • Extremely low coefficient of thermal expansion. Machinable.
Classification
Special Alloy
Applications
Joint welding and repair welding of cast iron, centrifugally cast, malleable cast iron etc.
Hardness
≈160 HB
 

Submerged Arc Wires (SAW)

Typical chemical composition of pure weld metal (in wt.-%)
                 
DURMAT® C Si Mn Cr Ni Mo Nb V W Co Fe + Hardness
FD 310 UP 0.12 0.7 1.2 13.8 3.5 1.1 0.2 0.2 - - Bal. - 42-44 HRC
FD 328 UP 0.08 0.4 0.8 6 - 0.7 - - - - Bal. - 280-325 HB
FD 337 UP 0.33 0.4 1.2 5.6 0.3 3.3 - 0.25 - - Bal. - 52-54 HRC
FD 341 UP 0.12 0.4 1.6 2.5 0.5 2.5 - 0.4 - - Bal. - 300-340 HB (Tensile strength 1,200 N/mm2)
FD 356 UP 0.05 0.4 1.2 17 4.6 1.1 0.2 0.25 - - Bal. - 42-44 HRC
FD 4351 UP 0.05 0.4 1 14 5 0.75 - - - - Bal. - 38-42 HRC
FD 440 UP 0.3 0.4 1 13 2.4 1.5 - 1 - - Bal. - 500 HB (600 °C: 300 HB)
FD 476 UP 0.3 0.4 1.4 16 4 1.5 - 1 1 1.5 Bal. - 48-50 HRC
FD 502 UP 0.3 - - 13 - 1.5 - 2 1.2 2 Bal. - 48-52 HRC (540 °C: 54 HRC)

EXAMPLE | DURMAT® FD 476 UP

  • Flux-Cored Wire for submerged arc welding.
  • Corrosion resistant and wear resistant.
  • Resistant against impact and continuous rating through heat effect and high pressure .
Classification
DIN EN 14700: T Fe7-45-CPT / DIN 8555: MF 5-45-PRT
Applications
Steel mill rolls, hard-facing of rolls for hot rolling.
Hardness
48-50 HRC
 

Chromium Steel

Typical chemical composition of pure weld metal (in wt.-%)
             
DURMAT® C Si Mn Cr Ni Mo Nb V Ti Fe + Hardness
FD 4009 0.12 0.8 1.2 14.5 + - - - + Bal. - 300-360 HB
FD 4015 0.08 0.8 1.2 17.5 - - - - - Bal. - 220-240 HB
FD 4028 0.3 0.8 1.2 14 0.4 - - - - Bal. - 46-48 HRC
FD 4115 0.2 0.8 1.2 17 0.4 1 - - - Bal. - 42-44 HRC
FD 4122 0.4 0.8 1.2 17 0.4 1 - - - Bal. - 48-51 HRC
FD 4122 Nb 1.2 0.8 1.2 17 1 - 8 0.3 - Bal. - 48-51 HRC
FD 4351 N OA 0.05 0.9 1.1 14 5 0.75 - - - Bal. N+ 38-42 HRC

EXAMPLE | DURMAT® FD 4115

  • Suited for parts that encounter wear from sea water plant and power plant operations. Suited for sliding wear (metal on metal).
  • Tough and corrosion resistant.
Classification
DIN EN 14700: T Fe8-40-CP / DIN 8555: MF 6-40-CP
Applications
Sealing surface of water-, steam- and gas armatures up to service temperatures of 450 °C.
Hardness
42-44 HRC
 

Hot Forging Molds

Typical chemical composition of pure weld metal (in wt.-%)
                 
DURMAT® C Si Mn Cr Ni Mo V W Ti Fe + Hardness
FD 812 0.1 0.5 0.6 10 1 2 - - 0.2 Bal. - 38-44 HRC
FD 813 0.12 0.6 0.6 10 1.7 3 - - 0.2 Bal. - 41-47 HRC
FD 814 0.2 0.6 0.6 10 1.7 3 - - 0.2 Bal. - 44-48 HRC
FD 816 0.28 0.7 0.6 10 1.7 3 0.2 - 0.2 Bal. - 48-53 HRC
FD 818 0.36 0.7 0.6 10 1.7 3 0.3 2 0.2 Bal. - 52-55 HRC
FD 862 0.15 0.7 0.6 4.5 - 1 0.2 1 - Bal. - 34-40 HRC
FD 864 0.25 0.7 0.6 5 - 1.5 0.4 1.4 0.2 Bal. - 44-48 HRC
FD 866 0.3 0.7 0.6 5.5 - 2.5 0.6 2.4 0.2 Bal. - 48-52 HRC
FD 868 0.4 0.8 0.6 6 - 3 0.7 3 0.2 Bal. - 52-55 HRC

EXAMPLE | DURMAT® FD 812

  • Thermal shock resistant.
  • Highly heat resistant.
  • Tensile strength: 1,200 - 1,400 N/mm2.
Classification
Special Alloy
Applications
Repair of drop-forge dies.
Hardness
38 - 44 HRC
 

Tool Steel

Typical chemical composition of pure weld metal (in wt.-%)
         
DURMAT® C Si Mn Cr Ni Mo V W Co Fe + Hardness
FD WZ 50 0.3 0.6 0.4 3 - - 0.6 4.5 - Bal. - 48-50 HRC/50-52 HRC*
FD WZ 55 0.35 0.8 1.2 3 - - 0.5 7 -2 Bal. - 50-53 HRC/55-57 HRC*
FD WZ 59 0.6 0.6 - 5 - 3.5 - 3.5 - Bal. - 57-59 HRC
FD WZ 60 0.8 0.6 0.4 4.5 - 8 1.5 2 - Bal. - 58-60 HRC
FD WZ 6356 0.03 - - - 18 4 - - 12 Bal. - 41-43 HRC/53-56 HRC*

EXAMPLE | DURMAT® FD WZ 50

  • Suitable for repair and build-up applications on hot working steels of Similar to or lower alloyed hot working tools, machinable. Retention of hardness up to 550 °C.
  • C-Cr-V-alloyed Flux-Cored Wire.
Classification
DIN EN 14700: T Fe3-50-STW / DIN 8555: MF 3-50-ST
Applications
Slab shears, hot-forging dies, hot shear blades, drawing dies, crushing equipment and depressions created by forging, pressure and impact stress.
Hardness
48 - 50 HRC
After heat treatment: 50 - 52 HRC