0.031" Diameter Solder | McMaster-Carr

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34 Products

Rosin Flux-Core Solder for Electronics and Electrical Applications

Rosin flux is quick acting with strong cleaning action, but it leaves residue that requires flux remover. This solder is electrically conductive, so it’s good for electronics and electronic applications.

Leaded, Flux Core

Image of Product. Front orientation. Contains Inset. Solder. Rosin Flux-Core Solder for Electronics and Electrical Applications.

		Material Composition
	Solder Alloy	Tin	Silver	Lead	Melting Temp., ° F	Dia.	Wt., lb.		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Pb60Sn40	40%	—	60%	460	0.031"	1	7659A133	000000


		Sn60Pb40	60%	—	40%	370	0.031"	1	7659A5	00000
		Sn62Pb36Ag2	62%	2%	36%	370	0.031"	1	7659A74	000000
		Sn63Pb37	63%	—	37%	370	0.031"	1	7659A65	00000

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition
	Solder Alloy	Tin	Silver	Copper	Lead	Melting Temp., ° F	Dia.	Wt., lb.		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn96.5Ag3Cu0.5	96.5%	3%	0.5%	0%	460	0.031"	1	7872A46	0000000


		Sn97Cu3	97%	—	3%	0%	480	0.031"	1	7857A12	00000

No-Clean Flux-Core Solder for Electronics and Electrical Applications

The flux leaves minimal residue so there's no need for cleanup. All of this solder is electrically conductive.

Leaded, Flux Core

Image of Product. Front orientation. Contains Inset. Solder. No-Clean Flux-Core Solder for Electronics and Electrical Applications.

		Material Composition				1 lb.
	Solder Alloy	Tin	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn60Pb40	60%	40%	0.031"	365	4879N53	000000


		Sn63Pb37	63%	37%	0.031"	365	7758A2	00000

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition							1 lb.
	Solder Alloy	Tin	Silver	Antimony	Copper	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn96.5Ag3Cu0.5	96.5%	3%	—	0.5%	0%	0.031"	425	7872A42	0000000


		Sn97Cu2Sb0.8Ag0.2	97%	0.2%	0.8%	2%	0%	0.031"	420	4879N69	000000
		Sn97Cu3	97%	—	—	3%	0%	0.031"	445	4879N74	00000

No-Clean Flux-Core Solder for HVAC Applications

The flux leaves minimal residue so there's no cleanup. The addition of silver in this solder helps it resist vibration to form strong joints in HVAC systems.

Leaded, Flux Core

		Material Composition					1 lb.
	Solder Alloy	Tin	Silver	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn62Pb36Ag2	62%	2%	36%	0.031"	370	7758A4	0000000

Solder for Electronics and Electrical Applications

Electrically conductive, this solder is best for electronics and electronics applications. It does not have a flux core, so you can choose the flux that works best for your application.

Leaded, Flux Required

		Material Composition				1 lb.
	Solder Alloy	Tin	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn60Pb40	60%	40%	0.031"	375	7667A51	000000


		Sn63Pb37	63%	37%	0.031"	360	7657A4	00000

Lead-Free, Flux Required

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Copper	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn97Cu3	97%	3%	0%	0.031"	445	7827A11	000000

Solder for Torch Soldering

This solder does not have a flux core, so you can choose the flux that works best for your application.

Leaded, Flux Required

		Material Composition				1 lb.		5 lb.
	Solder Alloy	Tin	Lead	Dia.	Melting Temp., ° F		Each		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Pb60Sn40	40%	60%	0.031"	365	7667A61	000000	7667A62	0000000

Easy-Clean Flux-Core Solder for Electronics and Electrical Applications

Wash away flux residue from this solder with water. It is electrically conductive, so it is good for electronics and electrical applications.

Leaded, Flux Core

Image of Product. Front orientation. Contains Inset, Border. Solder. Easy-Clean Flux-Core Solder for Electronics and Electrical Applications.

		Material Composition
	Solder Alloy	Tin	Lead	Dia.	Melting Temp., ° F	Wt., lb.	Specs. Met		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn60Pb40	60%	40%	0.031"	365	1	IPC J-STD-006	4871N13	000000


		Sn63Pb37	63%	37%	0.031"	360	1	—	7756A2	00000

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition
	Solder Alloy	Tin	Copper	Lead	Dia.	Melting Temp., ° F	Wt., lb.	Specs. Met		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn97Cu3	97%	3%	0%	0.031"	445	1	IPC J-STD-006	4871N25	000000

Solder for High-Temperature Applications

This solder keeps its strength in applications where vibration and frequent and extreme temperature changes occur, such as in water lines and refrigeration equipment. It does not have a flux core, so you can choose the flux that works best for your application.

Lead-Free, Flux Required

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Antimony	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn95Sb5	95%	5%	0%	0.031"	460	7668A11	000000

Solder for HVAC Applications

The silver in this solder helps it resist vibration to form strong joints in HVAC systems. Since it doesn’t have a flux core, you can choose the flux that works best for your application.

Lead-Free, Flux Required

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Silver	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn96Ag4	96%	4%	0%	0.031"	445	7791A12	0000000

Acid Flux-Core Solder for Electronics and Electrical Applications

Acid flux has strong cleaning action, but leaves corrosive residue that washes away with water. This solder is electrically conductive.

Leaded, Flux Core

Image of Product. Front orientation. Contains Inset. Solder. Acid Flux-Core Solder for Electronics and Electrical Applications.

		Material Composition				1 lb.
	Solder Alloy	Tin	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Pb60Sn40	40%	60%	0.031"	460	7658A303	000000


		Sn50Pb50	50%	50%	0.031"	420	7658A309	00000
		Sn60Pb40	60%	40%	0.031"	375	7658A316	00000

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition							1 lb.
	Solder Alloy	Tin	Silver	Antimony	Copper	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn96.5Ag3Cu0.5	96.5%	3%	—	0.5%	0%	0.031"	460	7658A325	0000000


		Sn97Cu2Sb0.8Ag0.2	97%	0.2%	0.8%	2%	0%	0.031"	485	7658A329	00000
		Sn97Cu3	97%	—	—	3%	0%	0.031"	445	7844A4	00000

Rosin Flux-Core High-Melting-Point Solder for Electronics and Electrical Applications

Image of Product. Front orientation. Contains Inset. Solder. Rosin Flux-Core High-Melting-Point Solder for Electronics and Electrical Applications.

Rosin flux is quick acting with strong cleaning action, but leaves residue that requires flux remover. The high melting point of this solder prevents remelting when soldering successive joints with another solder. It is electrically conductive.

Leaded, Flux Core

		Material Composition					1 lb.
	Solder Alloy	Tin	Silver	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Pb88Sn10Ag2	10%	2%	88%	0.031"	570	7685A22	000000

No-Clean Flux-Core Solder for High-Temperature Applications

The flux leaves minimal residue so there's no cleanup. The solder keeps its strength in applications where vibration and frequent and extreme temperature changes occur, such as in water lines and refrigeration equipment.

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Antimony	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn95Sb5	95%	5%	0%	0.031"	460	7837A34	000000

Solder for Machine Soldering

This solder does not have a flux core, so you can choose the flux that works best for your application.

Leaded, Flux Required

		Material Composition				1 lb.
	Solder Alloy	Tin	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Pb70Sn30	30%	70%	0.031"	490	5276N11	000000

Easy-Clean Flux-Core Solder for High-Temperature Applications

The flux residue easily washes away with water. The solder keeps its strength in applications where vibration and frequent and extreme temperature changes occur, such as in water lines and refrigeration equipment.

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Antimony	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn95Sb5	95%	5%	0%	0.031"	460	7843A42	000000

Rosin Flux-Core Solder for High-Temperature Applications

Rosin flux is quick acting with strong cleaning action, but leaves residue that requires flux remover. The solder keeps its strength in applications where vibration and frequent and extreme temperature changes occur, such as in water lines and refrigeration equipment.

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Antimony	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn95Sb5	95%	5%	0%	0.031"	460	7830A21	000000

Rosin Flux-Core Solder for HVAC Applications

Rosin flux is quick acting with strong cleaning action, but leaves residue that requires flux remover. The addition of silver in this solder helps it resist vibration to form strong joints in HVAC systems.

Lead-Free, Flux Core

Lead-free solder is safer to use than leaded solder and helps meet industry regulations.

		Material Composition					1 lb.
	Solder Alloy	Tin	Silver	Lead	Dia.	Melting Temp., ° F		Each
For Joining Brass, Bronze, Copper, Nickel, Stainless Steel, and Steel



		Sn96Ag4	96%	4%	0%	0.031"	430	7859A23	0000000