BS EN 10025-5 2019 Hot rolled products of structural steels - Technical delivery conditions for structural steels with improved atmospheric corrosion resistance.pdf PDF 964.23KB 40页 EN ISO 17638 2016 Non-destructive testing of welds - Magnetic particle testing.pdf PDF 2.15MB 24页 BS EN ISO 8503-3 2012 Part 3 Method for the calibration of ISO surface profile comparators and for the determination of surface profile — Focusing microscope procedure.pdf PDF 1.11MB 22页 ASTM F2159-20 SDR9交联聚乙烯（PEX）管和SDR9高温聚乙烯（PE-RT）管用铜压接环或替代不锈钢夹塑料插入件的标准规范.pdf PDF 3.97MB 9页 NF EN 933-9-2022 Tests for geometrical properties of aggregates - Part 9 assessment of fines - Methylene blue test.pdf PDF 823.44KB 23页 BS EN 50134-5-2021 报警系统 社会报警系统 第5部分：互连和通信.pdf PDF 13.73MB 27页 BS EN ISO 10873-2021 口腔医学-假牙粘合剂.pdf PDF 11.41MB 28页 BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf PDF 1.04MB 30页 EN 12390-15 2019 Testing hardened concrete - Part 15 Adiabatic method for the determination of heat released by concrete during its hardening process.pdf PDF 751.84KB 18页 BS EN ISO 2063-2 2017 Thermal spraying. Zinc, aluminium and their alloys - Execution of corrosion protection systems.pdf PDF 2.59MB 48页 BS EN 12504-4-2021 结构中的混凝土试验. 第4部分 超音波脉冲速率的测定.pdf PDF 8.36MB 18页 BS EN ISO 5178 2019 Destructive tests on welds in metallic materials. Longitudinal tensile test on weld metal in fusion welded joints.pdf PDF 526.74KB 12页 BS EN ISO 683-3 2019 Heat-treatable steels, alloy steels and free-cutting steels - Case-hardening steels.pdf PDF 1.07MB 46页 BS EN 13791 2019 Assessment of in-situ compressive strength in structures and precast concrete components.pdf PDF 1.02MB 52页 BS EN ISO 9015-2 2016 Destructive tests on welds in metallic materials. Hardness testing. Microhardness testing of welded joints.pdf PDF 1.23MB 18页 BS EN 10088-3 2014 Stainless steels - Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes.pdf PDF 1.67MB 80页 BS EN 12504-1 2019 Testing concrete in structures. Cored specimens. Taking, examining and testing in compression.pdf PDF 1.59MB 22页 BS EN ISO 14732 2013 Welding personnel. Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials.pdf PDF 1.17MB 26页 ASTM F2905 F2905M-20a 石油和天然气生产用交联聚乙烯（PEX）管线管的标准规范.pdf PDF 4.95MB 10页 ISO ASTM 52942-2020 添加剂制造 鉴定原则 航空航天用激光金属粉末床熔合机和设备的合格机器操作员.pdf PDF 2.35MB 8页 BS EN ISO 683-4 2018 Heat-treatable steels, alloy steels and free-cutting steels - Free-cutting steels.pdf PDF 855.2KB 30页 BS EN ISO 2063-1 2019 热喷涂-锌、铝及其合金 第一部分:设计考虑和质量要求 用于腐蚀保护系统（英文版） Thermal spraying. Zinc, aluminium and their alloys - Design considerations and quality requirements for corrosion protection systems.pdf PDF 1.21MB 38页 BS EN 10025-4 2019 Hot rolled products of structural steels. Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels.pdf PDF 1.03MB 34页 BS EN ISO 8503-1 2012 Part 1 Specifications and definitions for ISO surface profile comparators for the assessment of abrasive blast-cleaned surfaces.pdf PDF 1.15MB 20页 BS EN 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf PDF 1.04MB 18页 ASTM F2968 F2968M-20a 气体分配用交联聚乙烯（PEX）管的标准规范.pdf PDF 5.34MB 11页 BS EN ISO 9018 2015 Destructive tests on welds in metallic materials. Tensile test on cruciform and lapped joints.pdf PDF 1.19MB 20页 ASTM F2648 F2648M-20 2至60英寸[50至1500 mm]环形波纹型墙面聚乙烯（PE）用于土地排水应用的管道和配件的标准规格.pdf PDF 3.72MB 8页 ASTM E1728 E1728M-20 使用擦拭取样方法收集沉淀粉尘样品进行后续铅测定的标准做法.pdf PDF 2.61MB 5页 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160页 BS EN ISO 898-3 2018/A1 2021 Fasteners. Mechanical properties of fasteners made of carbon steel and alloy steel - Flat washers with specified property classes.pdf PDF 1.56MB 28页 EN 50561-1 2013 Power line communication apparatus used in low-voltage installations - Radio disturbance characteristICS - Limits and methods of measurement - Part 1 Apparatus for in-home use.pdf PDF 342.55KB 25页 BS EN 12390-1-2021 硬化混凝土试验 样品和模型的形状、尺寸和其它要求.pdf PDF 6.13MB 15页 BS EN ISO 8503-4 2012 Part 4 Method for the calibration of ISO surface profile comparators and for the determination of surface profile — Stylus instrument procedure.pdf PDF 1.2MB 20页 EN 13369 2018 Common Rules for Precast Concrete Products.pdf PDF 1.82MB 80页 EN ISO 3452-1 2021 Non-destructive testing - Penetrant testing - Part 1 General principles （ISO 3452-1 2021）.pdf PDF 1.2MB 34页 BS EN ISO 8503-2 2012 Part 2 Method for the grading of surface profile of abrasive blast-cleaned steel — Comparator procedure.pdf PDF 214.5KB 16页 EN 13055 2016 Lightweight aggregates.pdf PDF 1.93MB 54页 EN 12390-16 2019 Testing hardened concrete - Part 16 Determination of the shrinkage of concrete.pdf PDF 462.38KB 16页 BS EN IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22页 BS EN ISO 17892-4 2016 Geotechnical investigation and testing - Laboratory testing of soil Part 4 Determination of particle size distribution.pdf PDF 2.31MB 42页 BS EN ISO 22476-1 2012 Geotechnical investigation and testing. Field testing. Electrical cone and piezocone penetration test.pdf PDF 1.26MB 46页 BS EN ISO 9606-1 2017 Qualification testing of welders. Fusion welding. Steels.pdf PDF 2.13MB 46页 NF EN ISO 17892-12 2018 Geotechnical investigation and testing -Laboratory testing of soil -Part12 determination of liquid and plastic limits.pdf PDF 9.52MB 36页 BS EN 12390-2 2019 Testing hardened concrete. Making and curing specimens for strength tests.pdf PDF 994.27KB 12页 ASTM F3338-20 通用航空飞机电力推进装置设计标准规范.pdf PDF 7.8MB 13页 ASTM E3193-20 用火焰原子吸收分光光度法（FAAS）测定灰尘、油漆和土壤中铅的标准试验方法.pdf PDF 4.88MB 9页 BS EN ISO 15614-1 2017/A1 2019 Specification and qualification of welding procedures for metallic materials. Welding procedure test. Arc and gas welding of steels and arc welding of nickel and nickel alloys.pdf PDF 1.17MB 54页 EN 50173-5 2018 Information technology - Generic cabling systems - Part 5 Data centre spaces.pdf PDF 3.33MB 48页 EN 50173-2 2018 Information technology - Generic cabling systems - Part 2 Office spaces.pdf PDF 2.95MB 40页 EN 12390-13 2013 Testing hardened concrete - Part 13 Determination of secant modulus of elasticity in compression.pdf PDF 922.37KB 18页
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