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Gauge Plate / Ground Flat Stock BS4657 / A.I.S.I 01 / WN 1.2510

Gauge Plate, also known as Ground Flat Stock is a high quality tool steel supplied in its annealed condition. Precision ground to size on both width and thickness dimensions to a close tolerance. This Material is capable of reaching high hardness levels with the minimum of movement. This gives the product great versatility to a whole range of engineering applications.
With our in-house grinding facilities we are able to produce almost any non-standard size, metric or imperial. We can work to close tolerance & flatness requirements in small or large quantities. We pride ourselves on our fast deliveries, in cases can be made the same, or next day.
We stock the standard range of metric & imperial sizes.

Technical Information

Material Type: 01 tool steel BS4659
Hardness Capability: Can reach rockwell C.62

Standard Tolerances

Imperial sizes: Width -0.000" / +0.005"
                      Thickness +/- 0.001"
Metric sizes: Width -0.000mm / +0.127mm
                   Thickness -0.00mm / +0.050mm

Chemical Composition (typical analysis)

Carbon .85% / 1.05%
Manganese 1.00% / 1.40%
Tungsten .40% / .60%
Chromium .40% / .60%
Vanadium .15% / .30%

STANDARD SIZE RANGE  (METRIC)

WIDTH 
10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 100mm, 125mm, 150mm, 200mm, 250mm, 300mm.

THICKNESS
1mm, 1.5mm, 2.0mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm, 10.0mm, 12.0mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm.

STANDARD SIZE RANGE ( Imperial)

WIDTH

3/8", 1/2", 5/8", 3/4",  1", 1.1/4", 1.1/2", 2", 2.1/2", 3", 3.1/2", 4",5", 6", 8", 10", 12"

THICKNESS

1/32", 1/16", 3/32", 1/8", 5/32", 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1" , 1.1/4", 1.1/2", 2"