Puralloy® Grade H 35/65 (Sn/Pb) is a leaded solder alloy incorporating tin and lead, with a melting range of between 183-247°C. Historically this alloy is used for a wide range of Industrial applications, whilst being favoured by Utility companies. Grade H has wide pasty range which allows for movement and re-alignment before returning to solid. Grade H is generally seen as a cheaper alternative to 60/40 solder when wiping & sweating solder joints, as it has one of the lowest tin contents of offered leaded alloys, making it one of the most cost-effective options for soldering. Grade H has a duller finish, which can sometimes be an advantage when again compared to higher tin materials.

Key Features & Benefits:

– Leaded Solder Alloy (Sn/Pb)
– BSEN29453 Alloy Number 6
– Melt Point – 185-247°C
– Ideal for Industrial applications including within Utility companies
– Available in a range of formats including Bar, Tinman Sticks, Blowpipe and Feed Wire

Technical Properties:

– Density 9.50 g/cm3
– Electrical Resistivity 0.176 micro-ohms/m
– Thermal conductivity 48 W/m/K
– Tensile Strength 420 Kgf/cm2
– Tensile Elongation 35%
– Brinell Hardness 12HB


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