Weld Mold® 4000-A - Typical applications are joining Inconel® alloys to carbon steel, stainless steel, Nickel 200, Monel® alloys and copper-nickel alloys, and joining Nickel 200, Monel alloys and carbon steel to stainless steel. This alloy is also used for joining Incoloy® alloy 800 and 9% nickel steel to themselves.
Specification: AWS-ENiCrFe-2
Available forms: SMAW & FCAW
Spec Sheet   

Weld Mold® 4010 - The most versatile aluminum bronze welding alloy in this series. For welding and joining many ferrous and nonferrous metals and dissimilar combinations including the more weldable grades of cast iron, high- and low-carbon steels, copper, bronzes and copper/nickel alloys. Also for overlaying bearings and corrosion-resistant surfaces. Hardness values will increase somewhat when using the MIG process. Also available as an AC electrode.

BHN 119 (aluminum bronze); BHN 137 (steel)
Specification: AWS-ECuAl-A2
Available forms: SMAW, GTAW & GMAW
Spec Sheet   

Weld Mold® 4046 - An aluminum/nickel/manganese bronze, for the joining, repair or surfacing of dissimilar metals or aluminum bronzes containing nickel. Also used for welding on Ampco® 483, 45 and D-4 alloys. Commonly used on ship propellers (NiBrAl), turbines, valves, thrust bearings, stirrer blades, guides and other applications. Also available as a composite electrode.

BHN 190
Specification: AWS-ECuNiAl
Available forms: SMAW, GMAW & GMAW
Spec Sheet   

Weld Mold® 4061 - For welding 200 and 201 nickels. 4061 is also used for welding cast iron and build-up on steels. This product will also join many dissimilar combinations such as high nickels to stainless steels, inconel®, carbon steels and incoloy® alloys, monel® and copper-nickel alloys. 

Specification: AWS- ERNi- 1

Available forms: SMAW & GMAW
Spec Sheet   

Weld Mold® 4082- Welding Inconel® alloy 600, 601and Incoloy® 800 to themselves or to each other.  Dissimilar welding applications include joining Inconel® 800, 600 and 601 to carbon steels, stainless steel, joining nickel 200 to stainless and joining stainless steel to carbon steel.
Specification: AWS- ERNiCr-3

Available forms: SMAW & GMAW
Spec Sheet   

Weld Mold® 4115 – For cryogenic applications down to -195°C. Also used to construct and repair of transportation and storage tanks of liquid natural gas that are made our of 3, 5 and 9% Ni-steels.
Specification: AWS-NiCrMo-6
Available forms: SMAW
Spec Sheet   

Weld Mold® 4150 - An aluminum bronze alloy used to weld Ampco® 18 alloy. Also for piston overlay and deposition of bearing surfaces requiring high strength and good ductility. Hardness values will increase somewhat when using the MIG process. 

BHN 166 as-welded
Specification: AWS-ECuAl-A3
Available forms: SMAW & GMAW
Spec Sheet   

Weld Mold® 4190 - For welding of Monel® alloys 400 and 404 to themselves or each other and for overlaying on steel. Dissimilar-welding applications include joints between Monel® alloys and carbon steel, low-alloy steel, copper, and copper/nickel. (Also available in composite form, as in Weld Mold® 4190-C 

Specification: AWS-ENiCu-7
Available forms: SMAW, GTAW & GMAW
Spec Sheet   

Weld Mold® 4250 - Aluminum bronze alloy used for overlay and hard-facing. Recommended for repair of Ampco® 21 alloy. High yeild strength and hardness but lower tensile strength and ductility than 4200. Excellent for high-pressure bearing surfaces, especially when operating against hardened steel surfaces. Unusually high wear-resistance qualities. Hardness values will increase when using the TIG process. Also available as a composite electrode. 

BHN 250 (steel); BHN 260 (aluminum bronze)
Specification: AWS-ECuAl-D
Available forms: SMAW, & GTAW
Spec Sheet   

Weld Mold® 4320 - A phosphor bronze alloy for dense, porosity-free copper and copper alloys such as phosphor bronze, tin bronze, brass and silicon bronzes. Also for iron-based metals and alloys such as cast iron and galvanized; for dissimilar metals like tin bronze and steel, brass and steel and cast iron and steel. 

BHN 89
Specification: AWS-ERCuSn-C
Available forms: SMAW, FCAW, GTAW & GMAW
Spec Sheet   

Weld Mold® 4333 - An exceptionally smooth-running, highly deoxidized copper alloy designed to join and overlay conventional grades of copper and its alloys. Primarily used to fabricate and repair deoxidized, and electrolytic copper. It may also be used to weld galvanized steel and copper to mild steel where high strength is not required. Polycupro® 4333 is also used to resist mild corrosion.  

BHN 54
Specification: AWS-ECu
Available forms: SMAW, GTAW & GMAW
Spec Sheet   

Weld Mold® 4637 - For joining and particularly for the overlay of Udimet® alloys 500 and 520. It has high resistance to high temperatures and impact and maintains high strength and toughness at elevated temperatures. Primarily used for repair and reclamation of rapid-blow rotary forge dies. Also used for build-up and repair of Waspaloy.® 

Rc 30-35 as-welded, work-hardens to Rc 45+
Specification: DIN 2.4976
Available forms: SMAW & FCAW
Spec Sheet   

Weld Mold® 4940 - A high performance, high thermal conductivity copper alloy commonly utilized by the injection and blow molding industries as well as others in the molding industry as an alternative product for welding beryllium copper. Also used for welding Ampco® 940 molds. 

Available Forms: GMAW & GTAW

Spec Sheet  
 

Weld Mold® 641- A nickel-base hard-surfacing alloy with the addition of boron. Provides great metal-to-metal wear and excellent corrosion resistance. Good alloy for high abrasive and moderate impact situations.  

Rc 55-60

Specification: AWS-ERNiCr-C

Available forms: GTAW & Oxy-Acetylene
Spec Sheet   

Weld Mold® 672-C - A low carbon version of the 673 product, it is more ductile and crack-resistant when used for fabrication. Primarily used for welding Hastelloy® C-276 to itself and to many other nickel-based and stainless alloys. 

Rc 15-20 as-welded, work-hardens to Rc 35+
Specification: AWS-ENiCrMo-4
Available forms: SMAW, FCAW & GTAW
Spec Sheet  

Weld Mold® 675 - Used in the chemical industry when the following salts and acids are present; mineral acids, sea water, acetic anhydrite, brine solutions, solvents, chlorine, formic and acetic acids.
Rc 14-16 as-welded, work-hardens to Rc 35-40 Specification: AWS-NiCrMo-7
Available forms: SMAW
Spec Sheet   
 

Weld Mold® 702 - An excellent AC/DC straight-polarity product for welding cast iron with minimum heat output. The high conductivity of its commercially pure nickel core assures low temperature fusion with minimum dilution of the cast iron base metal. 

Specification: AWS-ENiCI
Available forms: SMAW
Spec Sheet    

Weld Mold® 750 -

A 55% nickel alloy with fluxing agents and precisely extruded coating for non-porous, homogeneous, nickel-iron deposits. For welding of ductile, malleable and grey cast irons. Used to overlay cast iron before surfacing with a more wear-resistant alloy and for joining cast iron to steel. 

Specification: AWS-ENiFeCI
Available forms: SMAW, FCAW & GTAW
Spec Sheet