Reference charts: symbols, designations, tables
The 19 reference charts of Metalary: symbols, designations, dimension and tolerance tables, grouped by trade, with their sources.
Piping
4 charts
Piping symbolsValves, pump and fittings on P&IDs (ISO 10628-2) and isometrics (ISO 6412-2).Threaded fittingsG, R, Rp, Rc and NPT: recognise, measure, never mix.Fitting dimensionsButt-weld elbows, tees, reducers, caps: ASME B16.9 and EN 10253-2.Pipe colour codingBackground colour by fluid family, NF X 08-100 and BS 1710.
Welding
9 charts
Welding symbolsRead an EN ISO 2553 symbol: arrow, lines, symbols, sizes, tail.Welding positionsISO 6947 (PA…PJ, H-L045) and their AWS equivalents (1G…6GR).Electrodes and wires: designationsDecode E 42 3 B 32 H5, E7018, G 42 3 M21 3Si1, ER70S-6.Shielding gases ISO 14175Read M21 ArC 18, classes I, M, C, R, N and their use.Polarity by processDCEN, DCEP or AC by process, metal and consumable.Stainless heat tint coloursTint, temperature reached and backing oxygen: how far is acceptable.Weld imperfections: ISO 6520-1The number of an imperfection on an inspection report, by group, with a section.ISO 4063 process numbers111, 135, 141…: the process written on a WPS, a certificate or a symbol.TIG and MIG torch partsThe name and job of every part, and what wears out.
Sheet metal
1 charts
Workshop
2 charts
Machining
3 charts