GB/T 21839-2019预应力混凝土用钢材扭转试验机HRJ Wire Torsion Tester
作者 Ming
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发布时间 19/09/02
GB/T21839-2019预应力混凝土用钢材扭转试验机:8.1试样制备、8.2试验设备符合GB/T239.1相关规定,HRJ试验机夹头之间的标准长度取钢丝公称直径的50倍,最小标距长度不小于210mm;8.3扭转试验按GB/T239.1执行、扭转速率不大于30r/min、轴向拉紧力为试样公称抗拉强度相应拉力负荷0.5%~2%。
GB/T21839-2019预应力混凝土用钢材试验方法2020.5.1实施。GB/T21839-2019规定了预应力混凝土用钢材的拉伸、弯曲、反复弯曲、扭转、缠绕和镀层附着力、等温松弛、轴向力疲劳、硫氰酸盐溶液中的应力腐蚀、偏斜拉伸、化学分析、几何尺寸测量、相对肋面积确定、每米公称质量偏差的确定、防腐润滑脂含量检测、护套厚度测量、镀层均匀性、锌层质量等试验方法。GB/T21839-2019适用于预应力钢丝、预应力钢棒、预应力钢筋、预应力钢绞线等产品相关性能的测定。
0.1~3.0mm钢丝扭转试验机;3.0~10mm预应力钢材扭转试验机;3.0mm线材高速扭转试验机;12.5~13mm钢线材扭转试验机;1083MPa钢线材扭转试验机;15/16mm钢绞线扭转试验机;HRJ Tester;17/18mm钢绞线扭转试验机; 2275Mpa钢线材扭转试验机;1938MPa合金线材扭转试验机;1780MPa钢材扭转试验机;2.25mm~2.75mm线材高速扭转试验机;预应力钢筋扭转试验机;预应力钢筋扭转试验机;合金镀层钢丝扭转试验机;1860MPa钢绞线扭转试验机;1000kN钢绞线腐蚀松弛试验机;400kN钢绞线等温松弛试验机;300kN钢绞线拉伸应力松弛试验机;HRJ Tester;600kN钢绞线偏斜拉伸试验机;1000kN钢绞线钢材双位拉伸试验机;1000h钢绞线松弛试验机;500kN钢筋腐蚀试验机;100kN钢丝松弛试验机;预应力钢材腐蚀试验机;
ISO 15630-3-2010;ASTM 80;ISO 7800:2012(E);ISO 9649;ISO 4101;ISO 7802:2013(E);RR-C-271D;DIN 763;DIN 764;HRJ Tester;DIN 766;DIN 5685;EN 1047;API Spec 5D;API Spec 7K;API Spec 8C;IS0 1704;GB/T239.1-2012;GB/T239.2-2012;GB/T20492-2019;GB/T5223-2014;GB/T5224-2014;GB/T28900-2012;GB/T30828-2014;GB/T25823-2010;GB/T3428-2012;GB/T31314-2014;GB/T31304-2014;GB/T30826-2014;TB/T2809-2017;TB/T3111-2017;77.140.65钢丝、钢丝绳和环节链;
Wire Torsion Tester;Steel Wire Torsion Tester;Test methods of steel for prestressing concrete;
Steel for the reinforcement and prestressing of concrete-Test methods;Part3:Prestressingsteel;
Zinc-5% aluminum-mixed mischmetal alloy-coated steel wire and steel wire strand;Metallic materials Wire Simple torsion test;HRJ Tester;Metallic materials Wire Reverse torsion test;Drawn steel wire for elevator ropes-Specifications;Metallic materials Wire Simple torsion test;Metallic materials Wire Reverse torsion test;Steel wire for prestressing of concrete;Steel strand for prestressed concrete;Test methods for bare wires Torsion test;Zinc-coated steel wire for stranded conductors;Copper and Copper-Alloy Contact Wires for Electric Railway;Stranded Copper and Copper-Alloy Conductors for Electric Railway;Metallic Materials Wire Wrapping Tester;Bare Wires Mandrel Winding Tester;Automatic Clamping Steel Bar Torsion Tester;Fiber Composite Core Bar Winding Tester;Wire High Speed Torsion Tester;Steel Strand Steel Bars Integration Tensile Tester;Steel strand Stress Relaxation Testing Machine;Steel bars Stress Corrosion Relaxation Tester;Steel strand skew Tensile Tester;Material Testing Machine;Various Testing Machines;Laboratory Equipment;Test Accessories Design Manufacture Center;Special Test Accessories Center;China Material Tester;Asia Material Tester;World Material Tester;HRJ Testing Machine;
济南恒瑞金试验机有限公司;力学检测仪器制造商;山东省力值硬度计量委员
(试验机服务中心)(试验机配件供应中心)(特殊夹具定制中心) |