This information applies to the American Steel Industry. Holes and Slots Standard Holes Standard hole sizes for bolts are made 1/16-in. larger in diameter than the nominal size of the fastener body. This provides a certain amount of play in the holes, which compensates for small misalignment's in hole location or assembly, and aids in the shop and field entry of … [Read more...] about Holes and Slots, Standard Sizes
Eerrata for AWS (American Welding Society) A2.4-98, Standard Symbols for Welding, Brazing, and Nondestructive Examination.This is the correction to the Welding Symbol Chart for AWS A2.4-98, pages 106 and 107. AWS A2.4-98 Standards Symbols for Welding Bracing and Nondestructive Examination Page 106 AWS A2.4-98 Standards Symbols for Welding Bracing and Nondestructive … [Read more...] about Welding Symbols Chart – AWS
This information applies to the American Steel Industry Minimum Edge Distance, in. (Center of Standard Holea to Edge of Connected Part) Nominal Bolt Diameter (in.) At Sheared Edges At Rolled Edges of Plates, Shapes or Bars Gas Cut or Saw-cut Edges b 1/2 7/8 3/4 5/8 1 1/8 7/8 3/4 1 1/4 1 7/8 1 1/2c 1 1/8 1 1 3/4c 1 1/4 1 1/8 2 1 1/2 1 1/4 2 1/4 … [Read more...] about Edge Distance
Recommended edge distance for bolts. All edge distances shown are from centreline of bolt to edge of steel. BOLT DIA SHEARED OR HAND FLAME CUT MACHINE CUT SAWN OR PLANED ROLLED EDGE OF ROLLED SECTION NORMAL PITCH M12 25 20 15 45 M16 30 25 20 60 M20 35 30 25 70 M24 45 40 30 90 M30 55 45 40 100 M36 65 55 45 100 … [Read more...] about Edge Distance for Bolts
Commonly used welding symbols and what they mean. As used in the Australian steel fabrication industry. Go here for American Welding Symbols. An example of how to draft the weld symbols Download the AutoCAD DWG file of the weld symbols chart. References Standard Drawing Symbols Abbreviations Graphical Representation - OTEN - Revised edition 1981Engineering … [Read more...] about Weld Symbols
By DGMWelding symbols used in Australia are based on the Australian Standard AS 1100.101-1992. You can research the full range of welding symbols in the Engineering Drawing Handbook produced by Standards Australia and the Institution of Engineers.Here is a selection of basic symbols to learn as a first step.Weld finishes (contour)With butt welds the welding symbol will tell you … [Read more...] about What are the basic welding symbols?