≥1000 hours steel strand tensile and relaxtion testing machine

≥1000h PC steel stick tensile and stress relaxtion testing machine

l Prestressed steel wire, steel strand, pc steel stick, metal material tensile and stress relaxtion test ≥1000h.

l Prestressed steel wire, steel strand, pc steel stick, metal material stress corrosion.

l Stress relaxtion test force: 300kN, 500kN, 600kN, 1000kN

l Steel strand nominal diameter: ¢9.5 / ¢11.10 / ¢12.70 / ¢15.24 / ¢18.00 / ¢21.80mm.

l GB/T10120-2013, GB/T5224-2014 chinese standard: stress relaxtion time ≥120h, calculate data:1000h.

l ISO 15630-3:2010 international standard: stress relaxtion test cycle, stress relaxtion test time≥120h, data calculated.

l EN european community standard: stressed relaxtion test cycle ≥120h, data calculated.

l NF french standard: stressed relaxtion test cycle≥120h, data calculated.

l AS NZS 4672.2 -2007 Australia standard: stressed relaxtion test cycle≥160h, not require to be calculated.

l ASTM 328 - 2013, ASTM A416/A416M -2012a, American standard: stressed relaxtion test cycle≥1000h, not require to be calculated.

l BS 5896 - 2012 English standard: stressed relaxtion test cycle ≥1000h, not required to be calculated.

l JIS Z2276 - 2012 Japanese relaxtion test cycle ≥1000h, not required to be calculated.

l JIS G3536 Japanese standard: stressed relaxtion test cycle ≥1000h, not reqired to be calculated.

l ISO 15630-3:2010Steel for the reinforcement and prestressing of concrete-Test methods--Part 3:Prestressing steel，MOD.

l ISO 6934-3:Steel for prestressing of concrete-Part3:Quenched and tempered wire,MOD

l ISO 6934-4:Steel for prestressing of concrete-Part4:strand,NEQ

l ISO 14655:Epoxy-coated strand for the prestressing of concrete

l EN 10391: Metallic materials - Tensile stress relaxation - Part1:Test procedure

l ASTM E328-2013 Standard Test Methods for Stress Relaxation Tests for Materials and Structures

l ASTM A416/A416M-2012a Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

l ASTM A882/A882M-2004 Standard Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand

l BS 5896-2012 High tensile steel wire and strand for the prestressing of concrete. Specification.

l JIS G3536 Steel wires and strands for prestressed concrete

l JIS G3137 Small diameter steel bars for prestressed concrete

l JIS Z2276-2012 Method of tensile stress relaxation test for metallic materials

l AS NZS 4672.1-2007 Steel prestressing materials Part 1: General requirements.

l AS NZS 4672.2-2007 Steel prestressing materials-Testing requirements.

l 300kN computer control steel strand / PC steel bars stressed relaxtion testing machine.

l 500kN computer control steel strand / PC steel bars stress relaxtion testing machine.

l 600kN computer control steel strand / PC steel bars stress relaxtion testing machine.

l 1000kN computer control steel strand / PC steel bars stress relaxtion testing machine.

l 300kN, 500kN, 600kN, 1000kN steel strand stress relaxtion testing machine.

l 300kN, 500kN, 600kN, 1000kN PC steel bars stress relaxtion testing machine.

l 300kN, 500kN, 600kN, 1000kN steel strand skew tensile testing machine

l 600kN, 1000kN steel strand tensile testing machine.(6 column)