Exothermic Welding Materials

Exothermic welding systems include welding powder, graphite molds, ignition tools, and related accessories, designed for permanent and high-conductivity connections in grounding and bonding applications. The process creates a molecular bond between conductors, ensuring excellent electrical conductivity, strong mechanical strength, and long-term corrosion resistance. It is widely used in power, railway, telecommunications, petrochemical, and infrastructure grounding systems. As a professional manufacturer, we supply a full range of exothermic welding products with stable quality, competitive pricing, and reliable supply for global distributors and project applications.

TECHNICAL DATA

Material: Copper Bonded Steel

Copper Thickness ≥0.254mm

Tensile Strength: 550N/mm²

Yield Strength: 245N/mm²

Straightness error ≤1mm/m

Elongation: 20% in 200 mm guage length

Bending 90° : No Crack of copper layer

Adherence Test: No peeling of copper layer

Service life ≥30 years

Certificate UL, ISO, CE, SGS

Exothermic Graphite Mold

SPECIFICATION:

Part No.Dia.
(mm)
Threaded

 

(in)

Length of supply(mm)
YY-DD3893/8″12001500180024003000
YY-DD1212.51/2″12001500180024003000
YY-DD5814.25/8″12001500180024003000
YY-DD1616M1812001500180024003000
YY-DD3417.23/4″12001500180024003000
YY-DD1231″12001500180024003000
  • *Copper thickness is 0.254mm
  • *Special size and copper thickness can be supplied on request.
  • We can supply you with three shapes:
    1) Ground Rod can be made double heads thread, and thread can be packed by plastic sheath
    2) One end is pointed and the other end is threaded to extend
    3) One end is pointed and the other end is flat.

Exothermic Welding Powder

Part No.Thread diameterSupporting rod
YY-HL383/8″YY-DD38
YY-HL121/2″YY-DD12
YY-HL585/8″YY-DD58
YY-HL16M18YY-DD16
YY-HL343/4″YY-DD34
YY-HL11″YY-DD1

*Coupling is made of high quality brass, used in connection between the ground rod and ground rod, between the ground rod and the driving head.

Graphite Mold Clamp

Part No.Thread diameterSupporting rod
YY-HQ383/8″YY-DD38
YY-HQ121/2″YY-DD12
YY-HQ585/8″YY-DD58
YY-HQ16M18YY-DD16
YY-HQ343/4″YY-DD34
YY-HQ11″YY-DD1

 

*Driving head is made of the high strength steel # 45 and produced by special quenching process. As the head of the ground rods, driving head directly exposed to strike and protect the rods, but also It will reduce construction labor intensity by hit operations of mechanical devices.

Tools & Accessories

Part No.Thread diameterSupporting rod
YY-HL383/8″YY-DD38
YY-HL121/2″YY-DD12
YY-HL585/8″YY-DD58
YY-HL16M18YY-DD16
YY-HL343/4″YY-DD34
YY-HL11″YY-DD1

*Coupling is made of high quality brass, used in connection between the ground rod and ground rod, between the ground rod and the driving head.

Tools Box

Part No.Thread diameterSupporting rod
YY-HQ383/8″YY-DD38
YY-HQ121/2″YY-DD12
YY-HQ585/8″YY-DD58
YY-HQ16M18YY-DD16
YY-HQ343/4″YY-DD34
YY-HQ11″YY-DD1

 

*Driving head is made of the high strength steel # 45 and produced by special quenching process. As the head of the ground rods, driving head directly exposed to strike and protect the rods, but also It will reduce construction labor intensity by hit operations of mechanical devices.

EARTH CLAMP

Earth clamp is made of high quality brass, used in connection between the ground rod and ground conductor.

SPECIFICATION:

Part No.
Application of rod
Application of Cable
YY-EC38
YY-DD38
10-35mm2

Other Materials Ground Rod

HOT-DIP GALVANIZED GROUND ROD

SPECIFICATION:

Part No.Dia.
(mm)
Length of supply(mm)
YY-GDD121212001500180024003000
YY-GDD141412001500180024003000
YY-GDD161612001500180024003000
YY-GDD181812001500180024003000
YY-GDD202012001500180024003000

*Zinc layer thickness is 0.07-0.10mm

HOT-DIP GALVANIZED GROUND ROD

SPECIFICATION:

Part No.Dia.
(mm)
Length of supply(mm)
YY-GDD121212001500180024003000
YY-GDD141412001500180024003000
YY-GDD161612001500180024003000
YY-GDD181812001500180024003000
YY-GDD202012001500180024003000

*Zinc layer thickness is 0.07-0.10mm

HOT-DIP GALVANIZED GROUND ROD

SPECIFICATION:

Part No.Dia.
(mm)
Length of supply(mm)
YY-GDD121212001500180024003000
YY-GDD141412001500180024003000
YY-GDD161612001500180024003000
YY-GDD181812001500180024003000
YY-GDD202012001500180024003000

*Zinc layer thickness is 0.07-0.10mm