Copper combination wrench 132-137 series

bronzealuminum

Combination Wrench/NO.135 Brand:X-Spark Material: Aluminum Bronze/Beryllium Copper Parameters: 1.Item:Aluminium Bronze/Beryllium Copper 2.Composition:Al:10~12% / Be:1.5~1.7% 1.8~2.3% Ni:4~6% / Co+Ni:over 0.2% Fe+Mn:below 5.8% / Co+Ni+Fe:below 1.2% Cu+Al+Ni+Fe+Mn:over 99.0% /Cu+Be+Co+Ni+Fe:over 99.0% 3.Hardness(Brinell):221~291 / 283~365 4.Extensibility:δ≥5% / δ≤1.0% 5.Breaking:782 N/mm 2~989 N/mm 2 , 1117 N/mm 2~1326 N/ mm 2 6.Elasticity Limit:450 N/mm 2 ~550 N/mm 2 , 840 N/mm 2 ~880 N/mm 2 7.Elec Resistance（Ω）:8~12 / 8~6 8.Dilatation Coefficient:0.000015% / 0.000012% 9.Density Weight:8.10 g/cm 3 , 8.60 g/cm 3 10.Magnetic:1.2 / 0 Design Features: 1.Non Spark/Non Magnetic 2.DIN 3113 3.Die forged：Beautiful appearance, high density, super strong, durable 4.Both ends generally fit the same size of bolts and nuts. Specification: 6 mm, 21 mm,50 mm,95 mm,120 mm,1/4",1", 1-3/8",etc. Application: 1.Aluminum bronze tools suitable for concentration of homework 7.8% ethylene. 2.Beryllium bronze explosion-proof tools suitable for concentration of homework 21% hydrogen. 3.Safety wrench is used to tighten or loosen bolts and nuts. 4.Safety tools is widely used in oil and gas works,mines,airports,armed forces and in a explosive and flammable place. We have got GS, FM ,UKAS ,ISO 9001 and ISO 14001 Certificates and registered the safety tool brand X-Spark in the European Union, Singapore, Japan ,Russia and other countries. We guarantee all the safety tools we manufactured are manufactured strictly in accordance with Germany DIN Standard&National Standard and 100% qualified and backed by Lifetime.