Ultrasonic Thickness Measurement Step Block
Key words:
Product Classification:
- Product Features
- Applications
- Technical Parameter
- Standard Configuration
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Appearance Characteristics
Accuracy (Material is 1018 steel):
H≤ 12.5mm Deviation -0.02-0mm
H> 12.5mm Deviation -0.1-0mm
Dimensional Tolerance: ±0.1mm
Surface Roughness: ≤0.8um
Parallelism: 0.1mm

Excellent materials and exquisite craftsmanship
Precision Machining
Select excellent materials, using wire cutting, electric discharge, machining,precision machinery such as surface grinding vacuum treatment furnace for production and processing.
Implementation Standards
GB/T 1958-2017 Product Geometric Technical Specifications (GPS) Geometric Tolerance Testing and Verification
GB/T 39432-2020 Nondestructive Testing Ultrasonic Testing Step BlocksOptional Specification Material
Various Materials
Ultrasonic thickness step blocks include 1018 steel, 304 stainless steel,7075 aluminum, 6063 aluminum, TC4 titanium alloy, etc.
Various Specifications
Step square, step semicircular, step fan-shaped, etc.
Two Thickness Units
Millimeters, Inches
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Application of Step Blocks
To reduce instrument measurement errors, calibration must be done using standard step blocks with steps of different depths.
Mainly used to determine the distance amplitude characteristics of a 0-degree probe (i.e., straight probe). -
Various materials, various models, customized services available.


Millimeter Version
Step
Specification
Dimensions
Material
4
3.00, 5.00, 10.00,15.00mm
80.0 x 20.0mm
1018 Steel
304 Stainless Steel
6063 Aluminum
4
2.50, 5.00, 10.00, 20.00 mm
80.0 x 20.0mm/
80.0 x 23.0mm
1018 Steel
304 Stainless Steel
6063 Aluminum
4
6.25,12.50, 18.75, 25.00mm
80.0 x 20.0mm/
80.0 x 24.50mm
1018 Steel
304 Stainless Steel
6063 Aluminum
4
12.50, 25.00, 37.50 ,50.00mm
80.0 x 20.0mm
1018 Steel
4
5.00, 10.00, 15.00, 20.00mm
80.0 x 20.0mm
1018 Steel
4
0.80,1.00, 1.50, 2.00mm
80.0 x 20.0mm
1018 Steel
4
1.00, 1.50, 2.00,2.50mm
80.0 x 20.0mm
1018 Steel
5
5.00, 10.00, 15.00, 20.00, 25.00mm
100.0 x 20.0mm/
100.0 x 24.5mm
1018 Steel
304Stainless Steel
5
2.50, 5.00, 7.50, 10.00, 12.50mm
100.0 x 20.0mm/
100.0 x 24.5mm
1018 Steel
304 Stainless Steel
6063 Aluminum
5
1.00, 2.00, 3.00, 4.00, 5.00mm
100.0 x 20.0mm
1018 Steel
5
0.50, 1.00, 1.50, 2.00 ,2.50mm
100.0 x 20.0mm
1018 Steel
5
0.25, 0.50, 0.75, 1.00, 1.25mm
100.0 x 20.0mm
1018 Steel
6
1.00, 3.00, 5.00, 10.00, 15.00, 20.00mm
120.0 x 20.0mm/
120.0 x 24.50mm
1018 Steel/
304 Stainless Steel
6
2.50, 5.00, 10.00, 15.00, 20.00, 25.00mm
120.0 x 20.0mm/
120.0 x 24.50mm
1018 Steel
304 Stainless Steel
8
1.00, 2.00,3.00, 4.00,
5.00, 6.00, 7.00, 8.00mm
160.0 x 20.0mm
1018 Steel
8
25.00, 50.00, 75.00, 100.00,
37.50, 62.50, 87.50, 112.50mm
wide:25.4mm
1018 Steel
8
25.00, 50.00, 75.00, 100.00mm,
1.000", 2.000", 3.000",4.000"
wide:1.0"(25.4mm)
1018 Steel
10
1.00, 2.00, 3.00, 4.00, 5.00,
6.00, 7.00, 8.00, 9.00, 10.00mm
200.0 x 20.0mm
1018 Steel
10
2.00, 4.00, 6.00, 8.00, 10.00,
12.00,14.00, 16.00, 18.00, 20.00mm
200.0 x 20.0mm
1018 Steel
304 Stainless Steel
6063 Aluminum
10
2.50, 5.00, 7.50, 10.00, 12.50,
15.00, 17.50, 20.00, 22.50, 25.00mm
200.0 x 20.0mm/
200.0 x 24.5mm
1018 Steel
304 Stainless Steel
7075 Aluminum
Curved 5
2.50, 5.00, 10.00, 15.00, 20.00mm
wide:20.0mm’×120°α
internal dia.:20.0mm
length:100.0mm
1018 Steel
304 Stainless Steel
Inch Version
Step
Specification
Dimensions
Material
4
0.100" 0.200" 0.400" 0.600"
3.2" x 0.8"
1018 Steel
4
0.250" 0.500" 0.750" 1.000"
3.2" x 0.8"
1018 Steel
304 Stainless Steel
6063 Aluminum
4
0.500" 1.000" 1.500" 2.000"
3.0" x 0.75"
1018 Steel
304 Stainless Steel
7075 Aluminum
4
0.040" 0.060" 0.080" 0.100"
3.2" x 0.8"
1018 Steel
5
0.500" 0.750" 1.000" 1.500" 2.000"
4.0" x 0.8"
1018 Steel
5
0.050" 0.250" 0.500" 1.000" 2.000"
4.0" x 0.8"
1018 Steel
5
0.250" 0.500" 0.750" 1.000" 2.000"
4.0" x 0.8"
1018 Steel
5
0.500" 1.000" 1.500" 2.000" 2.500"
4.0" x 0.8"
1018 Steel
5
0.100" 0.250" 0.500" 0.750" 1.000"
4.0" x 0.8"
1018 Steel
5
0.100" 0.200" 0.300" 0.400" 0.500"
4.0" x 0.8"/
4.0" x 0.965"
1018 Steel
304 Stainless Steel
6AL4V Titanium Alloy
5
0.020" 0.040" 0.060" 0.080" 0.100"
4.0" x 0.8"
1018 Steel
5
0.010" 0.020" 0.030" 0.040" 0.050"
3.75" x 0.75"
1018 Steel
8
0.030" 0.040" 0.050" 0.060"
0.070" 0.080" 0.090" 0.100"
6.4" x 0.8"
1018 Steel
8
1.000", 2.000", 3.000",4.000"
1.500", 2.500", 3.500",4.500"
wide:1.0"
1018 Steel
8
25.00 50.00 75.00 100.00mm
1.000", 2.000", 3.000",4.000"
wide:1.0"(25.4mm)
1018 Steel
10
0.050" 0.100" 0.150" 0.200" 0.250"
0.300" 0.350" 0.400" 0.450" 0.500"
7.5" x 0.75"
1018 Steel
10
0.100" 0.200" 0.300" 0.400" 0.500"
0.600" 0.700" 0.800" 0.900" 1.000"
7.5" x 0.75"/
7.5" x 0.70"
1018 Steel
304 Stainless Steel
7075 Aluminum
10
1.100" 1.200" 1.300" 1.400" 1.500"
1.600" 1.700" 1.800" 1.900" 2.000"
8.0" x 0.8"/
7.5" x 0.75"
1018 Steel
304 Stainless Steel
7075 Aluminum
Curved 5
0.100" 0.200" 0.300" 0.400" 0.500"
wide:0.8" ×120°α
internal diameter:1.0" Length:4.0"
1018 Steel
304 Stainless Steel
Cylindrical 7
0.100" 0.200" 0.300"
0.400" 0.500" 0.750" 1.000"
Diameter:1.0 inch
1018 Steel
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