Carbo 4430 AC

  • All types of stainless steel CrNiMo
  • Buffering and layering
  • Corrosive resistant plating
  • Acid resistant plating

Carbo Durit CS 70

  • Armour plated dirlls
  • Machine parts
  • Tools parts
  • Mining
  • Road construction
  • Well digging
  • Depression digging
Welding Electrodes

Carboweld Welding Electrodes

This high quality welding products are manufactured by Carboweld Schweissmaterialien GMBH in Germany.

Since 1977 CARBO-WELD has been producing a wide range of welding electrodes and flux cored wires based on the latest technical standard. The active partners are experienced for more than 30 years in the field of welding material.

Carbo 29/9 AC
Carbo 29/9 AC is an AC weldable electrode with a fully alloyed core, suitable for joining difficult-to-weld steels. Austenitic-ferritic stainless steel welding deposit (high ferrite content). The weld…

Carbo 4430 AC
Carbo 4430 AC is an AC-weldable, rutile coated electrode with an alloyed core, suitable for joining corrosion-proof CrNiMo steels of low carbon content as well as stabilised and non-stabilised steels…

Carbo Durit CS 70
Carbo Durit CS 70 is a nickel silver based alloy welding rod including crushed sintered tungsten carbide fragments for the oxyacetylene welding process.

Carbo L-Ag 40 Sn (F)
Carbo L-Ag 40 Sn (F) is a silver brazing rod, which is free of cadmium. It is suitable for joints of steels, copper, bronze, brass and nickel alloys. The silver solders are available with and without…

Carbo NiCu
Basic-graphite special coated electrode with a NiCu-alloyed core wire. This electrode is particularly suitable for safe cold welding of grey cast iron, cast steel and malleable cast iron. The colour of…

Carbo NiFe 31
Carbo NiFe 31 Basic-graphite special coated electrode with a bimetallic ferro-nickel core wire which allows very fast fusion on direct current as well as on alternate current without any risk of overheating.…

Carbo Nut
Special-coated electrode for chamfering, grooving and gouging all metals, including all types of ferritic and austenitic steels as well as Cu-alloys, cast steel and grey cast iron. The electrode produces…

Carbodur 300
Carbodur 300 is an AC-weldable electrode with approximately 120 % recovery for tough and wear resistant surfacing on equipment parts and tools which are subject to medium wear only. The dense and crack-free…

Carbodur MnCr
Carbodur MnCr Basic coated, AC-weldable electrode with approximately 140 % recovery. Due to the weld metal's high tenacity and hardness, the electrode is suitable for hardfacing on parts which are subject…

Carbodur WZ 11 B
Carbodur WZ 11 B is a specially designed electrode with a basic coating for high wear resistant hardfacings on hot- and coldworking tools. The deposit has a crack-free martensitic structure containing…

Carbodur WZ 61 AC
AC-weldable heavy coated electrode with 140 % recovery, designed for hardfacing high-speed steel tools and low alloyed base materials and for reinforcing cutting edges. The weld metal's high tungsten…

Carboweld Summary Sheet

  29 / 9 AC 4430 AC Durit CS 70 NiFe 31 NiCu Dur 300 MnCr L-AlSi 12 L-Ag 40 Sn T-F-WZ 11 T-F-WZ 61 Nut
Operating
Temp		 20°C up to
300° C		 (-)120 C up to
+ 400 C		 N/A Same as base metal Same as base metal N/A N/A N/A N/A N/A N/A N/A
Heat
Resistant to		 1,000° C 875° C N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Hardness Aft strain hardening ca. 360 HB Not recom
mended for hardfacing		 Sintered tungsten carbide HV: >2300 matrix HRC : 20 Approx.190HB Approx.165 HB ca.300 HB Aft strain hardening approx.55 HRC Not recom
mended for hardfacing		 Not recom
mended for hardfacing		 Approx.55 HRC Annealed Approx.65 HRC N/A
Max wall
Thickness		 < 30 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Current = + / ~,
42 V		 = + / ~ ,
50 V		 Oxyace
tylene welding		 = + / ~ ,
50 V		 = + / ~ ,
50 V		 = + / ~ 65 V = + / ~ 65 V Oxyace
tylene welding		 Oxyace
tylene welding		 TIG Welding TIG Welding = - / ~ 50 V
Welding
Positions		 PA, PB,
PC, PD, PE, PF		 PA, PB,
PC, PD, PE, PF		 Oxyacetylene welding PA, PB PA,PB,
PC,PD,PE,PF,PG		 PA, PB,
PC, PD, PE, PF		 PA, PB,
PC, PD, PE		 PA, PB,
PC, PD, PE		 PA, PB,
PC, PF		 PA,PB PA, PB,
PC, PD, PE, PF		 PA, PB,
PC PA, PB, PC
Rebaking 1 h,
350°C
+ / -
10°C
(if necessary)		 1 h,
350°C
+ / -
10°C
(if necessary) 		1 h,
350°C
+ / -
10°C
(if necessary)		 1 h,
120 °C
+ / -
10 °C
(if required )		 1 h,
120 °C
+ / -
10 °C
(if required) 		1 h,
200°C
+ / -
10 °C
(if required)		 1 h,
350 °C
+ / -
10 °C
(if required)		 1 h,
120 °C
+ / -
10 °C
(if required )		 1 h, 120 °C
+ / -
10 °C
(if required )		 1 h,
350°C
+ / -
10°C
( if necessary)		 1 h,
350 °C
+ / -
10 °C
(if required)		 1 h,
120 °C
+/ -
10 °C
( if required )
High Carbon Steel Excellent Good Yes, apply a thin layer first Poor Poor Yes, apply a thin layer first Poor No Good Excellent Excellent Good, for gouging, chamfering, grooving
Tool Steel Excellent Not Recom
mended		 Yes, apply a thin layer first Poor Not recom
mended		 Yes, apply a thin layer first Not recom
mended 		No Good, for layering Excellent Excellent Good, for gouging, chamfering, grooving
Manganese
Steel		 Excellent For plating
in corrosive
resistance
and acid resistance		 Yes, apply a thin layer first Poor Poor,
but not recom
mended		 Yes,
apply a thin layer first		 Excellent No Good,
for layering		 Good,
but not recom
mended		 Good,
but not recom
mended		 Good, for gouging, chamfering, grooving
Case-hardening Steel Excellent For plating in corrosive resistance and acid resistance Yes, apply a thin layer first Poor Poor Yes, apply a thin layer first Poor, but not recom
mended 		No Good, for layering Good Good Good, for gouging, chamfering, grooving
High-speeds Steel Excellent Not Recom
mended		 Yes, apply a thin layer first Poor Not recom
mended		 Yes, apply a thin layer first Not recom
mended 		No Good, for layering Excellent Excellent Good, for gouging, chamfering, grooving
Cast Steels Excellent For plating in corrosive resistance and acid resistance Yes, apply a thin layer first Good Good Yes, apply a thin layer first Poor, but not recom
mended 		No Good, for layering Good, but not recom
mended		 Good, but not recom
mended		 Good, for gouging, chamfering, grooving
Screening Steels Excellent For plating in corrosive resistance and acid resistance Yes, apply a thin layer first Poor Poor Yes, apply a thin layer first Poor, but not recom
mended 		No Good, for layering Good, but not recom
mended		 Good, but not recom
mended		 Good, for gouging, chamfering, grooving
Cast Iron N/A N/A N/A Excellent Excellent N/A N/A N/A N/A N/A N/A Good, for gouging, chamfering, grooving
Stainless Steel Excellent Excellent Yes, apply a thin layer first Poor Poor Yes, apply a thin layer first Good, but not recom
mended 		No Excellent Good Good Good, for gouging, chamfering, grooving
Aluminium No No No No No No No Excellent No No No N/A
Copper No No No No No No No No Excellent No No N/A
Bronze No No No No No No No No Excellent No No N/A
Brass No No No No No No No No Excellent No No N/A
AC Weldable Yes Yes N/A DC+ DC- Yes Yes N/A N/A DC- DC- Yes
Alloyed Core Yes Yes N/A Yes Yes Yes Yes Yes Yes N/A N/A N/A
Crack Resistant Yes Yes N/A Yes Yes N/A N/A N/A N/A Yes Yes N/A
Impact Proof Yes Yes N/A N/A Yes Yes Yes N/A N/A Yes Yes N/A
Acid Resistant Yes Yes N/A N/A N/A N/A N/A N/A Yes N/A N/A N/A
Corrosive Resistant Yes Yes N/A N/A N/A N/A N/A Yes Yes N/A N/A N/A
Machineable Yes Yes No Yes Yes Yes with cutting machines No Yes Yes Yes with grinding Yes with grinding N/A

Carboweld Typical Analysis

Typical Analysis
Type C Fe Si Mn Cr Ni Cu Mo CuNiZn-
Matrix		 Sintered Tungsten
Carbide		 Al Ag Zn Sn W V Co
Carbo 29/9 AC 0.1   1.2 0.7 29 9.5                      
Carbo NiFe 31 1,1 42 1,2 0,75   54                      
Carbo NiCu 0,5 3,0 0,6 1,8   64 30                    
Carbo 4430 AC < 0,03   0,8 0,6 19 12   2,8                  
Carbo Dur 300 0,1   0,5 1   1,2                      
Carbo MnCr 0,6   0,5 17 14 54                      
Carbo Durit CS 70                 ca.30 ca.70 Base            
Carbo L-AlSi 12   0,5 12 < 0,5               40 21 2      
Carbo L-Ag 40 Sn     0,15       Rest         40 21 2      
Carbo T-F-WZ 11 0,3   0,5   9     1,5             9    
Carbo T-F-WZ 61 0,8       4,5     1             18 1,5 5
Carbo Nut                                  

Carboweld Standards

Type International Standards Approvals
Carbo 29/9 AC Material No. 1.43 DB
  EN 1600 E 29 9 R 12  
  AWS A 5.4 E312-17  
  DIN 8555 E 9-UM-200-CTZ  
Carbo NiFe 31 DIN 8573 E NiFe-1 BG 11 DVS Guideline 1502, T1
  AWS A 5.15 E NiFe-CI  
Carbo NiCu DIN 8573 E NiCu BG 11  
  AWS A 5.15 E NiCu-B  
Carbo 4430 AC Material No. 1.44 TUV, DB, GL, CE
  EN 1600 E 19 12 3 L R 12  
  AWS A 5.4 E 316L-17  
Carbo Dur 300 DIN 8555 E 1-UM-300-P  
Carbo MnCr DIN 8555 E 8-UM-250-KP  
  AWS A56.13 E FeMn-B  
Carbo Durit CS 70 DIN 8555 E21-GP  
Carbo L - AlSi 12 Material No. 3.26  
  DIN 1732 EL-AlSi12  
  DIN EN 1044 AG 105  
  DIN EN 1044 AG 105  
  DIN 8513 L-Ag40Sn  
  EN ISO 3677 L-Ag40Sn  
Carbo T-F-WZ 11 DIN 8555 E3-UM-60-ST  
Carbo T-F-WZ 61 DIN 8555 E 4-UM-65-ST  
Carbo NUT   Chamfering electrode