Shenzhen MSDS / RHOS environmental test report

Shenzhen MSDS / RHOS environmental test report, please call 13538212153 Shenzhen Universal measuring metal testing company testing and counseling Tel: 13538212153 Online QQ: 2396465604 Website: www.szhycjs.com I provide a metal fastener test items, bolts, studs and screws Test items: 1, 2 tensile test to ensure that the load (at least 3) 3, 4 wedge load test, hardness (HV / HB / HR) 5, 6 decarburization test, impact test 7, the head ruggedness test two nut test project: 1, to ensure load (at least 3) 2, hardness (HV / HB / HR) 3:03, return fire test 4, reaming test 5, the surface defect detection three set screws Test items: 1, hardness (HV) (a thread diameters) 2, surface hardness HV0.3 3, ensure torque 4, decarburization test four self tapping screws / self-drilling self-tapping screw test project: 1, hardness (HV) ( a thread diameters) 2, surface hardness HV0.3 3, 4 case depth, microstructure test 5, anti-hydrogen embrittlement 6, 7 screwed test, performance test drilling 8, destruction 0 torque test five, self screw squeeze test project: 1, the core hardness and surface hardness HV10 HV0.3 2, anti-hydrogen embrittlement 3, case depth 4, 5 damage torque test, tension test 6, the head sturdiness Test 7, screwing test Sixth, spring washers test project: 1, the elasticity test 2, 3 toughness test, resistance to hydrogen embrittlement seven ring test project: 1, 2 elasticity test, toughness test 3, sewing compliance checks eight pin test project: shear test nine rivets test project: 1, 2 tensile strength, shear strength XI, steel structure with large hexagonal head bolts connecting deputy (bolt nut washer) test: 1, the torque coefficient 2, 3 fastening axial force, friction coefficient (thread friction coefficient, the support surface friction coefficient, overall coefficient of friction) test project: 1, 2 anti-slip coefficient for bolts, screws. Stud: rolling screws; self-tapping screws; self drilling screws; nuts and washers