Số hiệu tiêu chuẩn
NF A49-142
Tên tiêu chuẩn
Steel tubes. Longitudinally pressure welded plain ended and hot finished tubes. Diameters from 13,5 to 168,3 mm with specified room temperature properties and with special delivery conditions. Dimensions. Technical delivery conditions.
Ngày phát hành
1987-03-01
Tiêu chuẩn liên quan
A49-000 * A49-001 * A49-002 * A49-004 * A49-851 * A49-853 * A49-856 * A49-871 * A49-872 * A49-891 * E29-032
Thay thế cho
NF A49-142:198102 (A49-142)
Thay thế bằng
NF EN 10217-1:200212 (A49-201-1)
Lịch sử ban hành
NF EN 10217-1:200212 (A49-201-1)*NF A49-142*NF A49-142:198102 (A49-142)
Từ khóa
Rolling * Tensile testing * Pipe system * Ducts * Mechanical properties of materials * Expansion tests * Tensile stress test * Dimensional tolerances * Marking * Pipework systems * Canals * Linear density * Steels * Welding * Pipelines * Tensile tests * Sewers * Channels * Pipes * Dimensions * Chemical composition * Unalloyed steels * Piping * Flattening tests * Hot-working
.jpg&w=145&h=165){kind=logo}
NF A49-142
.png)
.jpg){kind=logo}
.jpg){kind=logo}
-_-logo.png){kind=logo}
