1000h钢筋拉伸应力松弛试验机，满足AS NZS 4672.2，ASTM E328，ASTM A416/A416M，BS 5896，JIS G3536，JIS Z2276。PCB预应力混凝土钢棒、预应力混凝土用光圆钢棒P、螺旋槽钢棒HG、螺旋肋钢棒HR、带肋钢棒R进行等温拉伸应力松弛试验，应力松弛试验周期1000h。
→预应力钢绞线、光面钢绞线、刻痕钢绞线、模拔型钢绞线、环氧树脂钢绞线、镀锌钢绞线、无粘结预应力钢绞线，金属材料、预应力钢丝等进行等温拉伸应力松弛试验及研究。
→桥梁系杆、拉索、承力索、拉线、加强芯、架空输电地线、公路阻拦索、建筑结构索、体外预应力工程材料进行等温拉伸应力松弛试验及研究。
→CRB650/CRB800/CRB970冷轧带肋钢筋、PSB785/PSB830/PSB930/PSB1080预应力混凝土用螺纹钢筋、精轧螺纹钢筋、凝土离心管桩、电杆、高架桥墩、铁路轨枕等预应力构件进行等温拉伸应力松弛试验及研究。
→内置式全数字闭环、多通道、多功能、易操控的HRJ-Test应力松弛测控软件；多种标准方法（国标、国军标、英标、美标、德标、日标、意标、俄标、法标、澳标、欧标等/GB、GJB、ISO、JIS、ASTM、DIN、BS、NF、EN、AS、NBR、IEC、GOST、CNS)。
1000h金属材料拉伸应力松弛试验机；1000h钢绞线松弛试验机；600kN钢棒应力松弛试验机；GB/T21839-2019预应力混凝土用钢材试验方法；GB/T28900-钢筋混凝土用钢材试验方法；GB/T10120-金属材料拉伸应力松弛试验方法；GB/T5224-2预应力混凝土用钢绞线；GB/T5223-预应力混凝土用钢丝；GB/T5223.3-2017预应力混凝土用钢棒；GB/T20065-预应力混凝土用螺纹钢筋；GB/T30828-预应力混凝土用中强度钢丝；GB/T3428-架空绞线用镀锌钢线；GB/T31314-多丝大直径高强度低松驰预应力钢绞线；GB/T31304-氧涂层高强度钢丝拉索；GB/T30826-斜拉桥钢绞线拉索技术条件；GB/T33026-建筑结构用高强度钢绞线；GB/T25823-单丝涂覆环氧涂层预应力钢绞线；GB/T33363-预应力热镀锌钢绞线；JG/T161-无粘结预应力钢绞线；JG/T369-2012缓粘接预应力钢绞线；JG/T387-环氧涂层预应力钢绞线；JT/T1063-桥梁用填充型环氧涂层钢绞线拉索；JT/T1090-桥梁用填充型环氧涂层钢绞线挤压锚固拉索；JT/T1105-桥梁用热镀锌铝合金钢绞线；JT/T850-挤压锚固钢绞线拉索；NB/T10473-架空导线用钢绞线；高强度低松弛预应力热镀锌钢绞线；锌-5%铝-镁合金镀层钢绞线；300kN钢绞线高温应力松弛试验机；钢筋钢棒高温应力腐蚀松弛试验机；1000kN钢绞线偏斜拉伸试验机；50kN预应力钢丝应力松弛试验机；小直径钢筋钢丝高温应力腐蚀松弛试验机；预应力混凝土钢材应力松弛试验机；
1000h Steel Bars Tensile Stress Relaxation Tester；Metallic Materials Tensile stress Relaxation Tester；1000h Steel Strand Relaxation Tester；Steel Wires Stress Relaxation Tester；Steel strand High temperature Stress Relaxation Testing Machine；Steel wires and bars High temperature Stress Relaxation Testing Machine；Steel strand Stress Corrosion Relaxation Testing Machine；Steel wires and bars Stress Corrosion Relaxation Testing Machine；Steel strand Skew Tensile Testing Machine；Indented Strand Stress Relaxation Tester；Compact Strand Stress Relaxation Tester；Epoxy Resin Steel Strand Stress Relaxation Tester；PC Strand Stress Relaxation Tester；Unbounded Steel Strand Stress Relaxation Tester；Galvanized Stress Relaxation Tester；Messenger Wire Stress Relaxation Tester；Guy Wire Stress Relaxation Tester；Core Wire or Strength Member Stress Relaxation Tester；Earth Wire Stress Relaxation Tester；Ground Wire Stress Relaxation Tester；Barrier Cable Stress Relaxation Tester；Structure Cable Stress Relaxation Tester；PCB Stress Relaxation Tester；Prestressed Concrete Steel Bars Stress Relaxation Tester；Plain Bar Stress Relaxation Tester；Helical Grooved Bar Stress Relaxation Tester；Helical Ribbed Bar Stress Relaxation Tester；Ribbed Bar Stress Relaxation Tester；Steel strand for prestressed concrete；Steel wire for prestressing of concrete；Steel bars prestressed concrete；Steel for prestressed concrete-Test methods；Screw-thread steel bars for the prestressing of concrete；Middle strength steel wire for prestressed concrete；Zinc-coated steel wire Stress Relaxation Tester；Many high strength of large diameter wire low relaxation prestressed strands；Epoxy-coated high strength wire stay cable； Technical conditions for steel strand cable of cable stayed bridge；High strength steel wire strand for building structures；Individual epoxy-coated wire prestressing steel strand；Steel for prestressing of concrete；Quenched and tempered wire Stress Relaxation Tester；Metallic materials-Tensile stress relaxation；Stress Relaxation Test procedure；Standard Test Methods for Stress Relaxation Tests for Materials and Structures；Standard Specification for Filled Epoxy-Coated Seven-Wire Pretesting Steel Strand；High tensile steel wire and strand for the prestressing of concrete；Small diameter steel bars for prestressed concrete；Method of tensile stress relaxation test for metallic materials；Steel prestressing materials-Testing requirements；
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