Số hiệu tiêu chuẩn
NF A49-252
Tên tiêu chuẩn
Steel tubes. Welded non alloy steel tubes of diameters 168,3 mm to 1220 mm used at averagely elevated temperatures. Dimensions. Technical delivery conditions.
Ngày phát hành
1982-09-01
Tiêu chuẩn liên quan
A03-151 * A03-161 * A03-351 * A04-304 * A05-150 * A05-152 * A49-000 * A49-001 * A49-851 * A49-858 * A49-871 * A49-872 * A88-110
Thay thế bằng
NF EN 10217-2:200212 (A49-201-2) * NF EN 10217-5:200212 (A49-201-5)
Lịch sử ban hành
NF EN 10217-2:200212 (A49-201-2)*NF EN 10217-5:200212 (A49-201-5)*NF A49-252
Từ khóa
Bending tests * Tensile testing * Mechanical testing * Processing * Mechanical properties of materials * Bend testing * Linear density * Production * Tensile stress test * Dimensional tolerances * Pipe system * Marking * Condition of goods * Grades (quality) * Welding * Steels * Pipes * Pipework systems * Pipelines * Tensile tests * Materials specification * Designations * Inspection * Fabrication * Delivery conditions * Dimensions * Expansion tests * Manufacturing * Chemical composition * Unalloyed steels * Flattening tests * Piping