B899 terminology relating to non ferrous metals and alloys.
Astm tolerance galvanized steel sheet.
It is a coating thickness designation in the galvanizing specification astm a653.
Over 192 through 240.
Over 60 through 96.
This specification is for hot dip galvanizing steel sheet using the continuous high speed galvanizing process.
Galvanized steel sheet standard jis aisi din astm bs gb length according to customers requirements common width 20 1500mm width tolerance 0mm 0 2mm thickness 0 12 2 0mm thickness tolerance 0 05mm technique cold rolled substrate and hot dipped electrolytic.
Tolerance over specified length.
Over 96 through 120.
Over 156 through 192.
Over 12 through 30.
The following charts give typical astm and ansi steel sheet mechanical tolerance ranges.
The tolerances in the table and attachments reflect current manufacturing practices and commercial standards and are not representative of the manufacturer s standard gauge which has no inherent tolerances.
Hr hot rolled cr cold rolled sheet metal gage guage size chart.
Sheet metal guage tolerances during the rolling process the rollers bow slightly which results in the sheets being thinner on the edges.
B897 specification for configuration of zinc and zinc alloy jumbo block half block and slab ingot.
Over 120 through 156.
Astm a123 standard specification of zinc hot dip galvanized coatings on iron and steel products refers to products fabricated and then hot dip galvanized.
The electrogalvanizing process is often referred to as zinc electroplated or zinc coated.
G90 is not a galvanizing specification.
Various astm specs for steel sheets a366 cold rolled commercial quality a569 hot rolled commercial quality a570 hot rolled structural quality a526 zinc coated galvanized steel a526 a527 galvanneal a591 electrolytically zinc plated.
A653 a653m specification for steel sheet zinc coated galvanized or zinc iron alloy coated galvannealed by the hot dip process.
The a653 carbon steel sheet has been hot rolled is zinc galvanized meets american society for testing and materials international astm a653 specifications and has a standard tolerance.
The a653 carbon steel grade has low carbon content for strength comparable to 1008 carbon steel and provides good formability and weldability.
Length tolerances astm a924.
A568 a568m specification for steel sheet carbon structural and high strength low alloy hot rolled and cold rolled general requirements for.
A90 a90m test method for weight mass of coating on iron and steel articles with zinc or zinc alloy coatings.
