Coating Thickness Standards

SB Step Block


SB Step Block Ultrasonic Test Blocks without certification are designed for convenient verification and calibration of ultrasonic thickness gauges.

Models Available:

  • SB4 4 1018 Step Steel Block
  • SB6 6 Step Thin 1018 Steel Block
  • SB5-SS 5 Step 304 Stainless Steel Block

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Features

  • Fabricated from 1018 Steel or 304 Stainless Steel.
  • Step block values engraved in "inch" units only.
  • SB4 and SB5-SS supplied in plastic case.
  • SB6 supplied in felt-lined wood box.
  • ISO Calibration OPTIONAL.

Specification

SB4 2.54 | 5.08 | 10.16 | 15.24 mm , Supplied in plastic case
SB6 1.27 | 2.54 | 6.35 | 10.16 | 15.24 | 20.32 mm , Supplied in wood case
SB5-SS 2.54 | 5.08 | 10.16 | 12.7 mm , Supplied in plastic case
Tolerance ± 0.001 in / 0.02mm
Base Width 19mm

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