Japan, JSNDI
JSNDI STB Series Ultrasonic Flaw Detection Test Piece
Made in Japan
Manufacturer: JSNDI
Model: STB-N1, STB-A1, STB-A2, STB-A21, STB-A22, STB-A3, STB-A31, STB-A32, STB-A7963, STB-G Set, STB-G V2、3、5、8, STB-G V15-1、1.4、2、2.8、4、5.6
Standard Test Piece （JIS Z 2345-1 ～ JIS Z 2345-4）
Use Purpose of STB Series
- To measure the position of the reflection source, it’s essential to adjust the time axis.
- This also involves calibrating the measurement range. For accurate echo height readings from the reflection source, fine-tuning the flaw detection sensitivity becomes crucial.
- One must also conduct thorough inspections of the flaw detection equipment’s characteristics and performance, ensuring precise measurement of performance traits.
Specifications
| Grade | Model | Main Test Subjects |
Material | Weight (Reference Value) kg |
| N1 Grade | STB-N1 | Thick Plate | SM490C | Approx. 2.9 |
| A1 Grade | STB-A1 | Welded Sections and Pipes | SM490C | Approx. 6.8 |
| A2 Grade | STB-A2 | Welded Sections and Pipes | SM490C | Approx. 8.0 |
| STB-A21 | Welded Sections and Pipes | SM490C | Approx. 2.1 | |
| STB-A22 | Welded Sections and Pipes | SM490C | Approx. 2.1 | |
| A3 Grade | STB-A3 | Welded Sections | SM490C | Approx. 0.7 |
| STB-A31 | Welded Sections | SM490C | Approx. 0.75 | |
| STB-A32 | Welded Sections | SM490C | Approx. 0.9 | |
| A7963 Grade | STB-A7963 | Welded Sections | SM490C | Approx. 0.25 |
| G Grade | STB-G (10 types set) | Very Thick Plates, Forgings | SNCM439 | Approx. 40 |
| STB-G V2, 3, 5, 8 | Very Thick Plates, Forgings | SNCM439 | Approx. 2.1 – 3.7 | |
| STB-G V15-1, 1.4, 2.8, 4.5, 6 | Very Thick Plates, Forgings | SNCM439 | Approx. 5.0 (set) |
| Grade | Model | Use Purpose | Main Test Subjects |
Material | Weight (Reference Value) kg | |||||
| Vertical Flaw Detection | Angular Flaw Detection | |||||||||
| Adjustment of measurement range | Adjustment of flaw detection sensitivity | Adjustment of performance characteristics | Adjustment of measurement range | Adjustment of flaw detection sensitivity | Adjustment of performance characteristics | |||||
| N1 Grade | STB-N1 | ○ | ○ | ○ | Thick Plate | SM490C | Approx. 2.9 | |||
| A1 Grade | STB-A1 | ○ | ○ | ○ | ○ | ○ | Welded Sections and Pipes | SM490C | Approx. 6.8 | |
| A2 Grade | STB-A2 | ○ | ○ | Welded Sections and Pipes | SM490C | Approx. 8.0 | ||||
| STB-A21 | ○ | ○ | Welded Sections and Pipes | SM490C | Approx. 2.1 | |||||
| STB-A22 | ○ | Welded Sections and Pipes | SM490C | Approx. 2.1 | ||||||
| A3 Grade | STB-A3 | ○ | ○ | ○ | Welded Sections | SM490C | Approx. 0.7 | |||
| STB-A31 | ○ | ○ | ○ | Welded Sections | SM490C | Approx. 0.75 | ||||
| STB-A32 | ○ | ○ | ○ | Welded Sections | SM490C | Approx. 0.9 | ||||
| A7963 Grade | STB-A7963 | ○ | ○ | ○ | ○ | Welded Sections | SM490C | Approx. 0.25 | ||
| G Grade | STB-G (10 types set) | ○ | ○ | Very Thick Plates, Forgings | SNCM439 | Approx. 40 | ||||
| STB-G V2, 3, 5, 8 | ○ | ○ | Very Thick Plates, Forgings | SNCM439 | Approx. 2.1 – 3.7 | |||||
| STB-G V15-1, 1.4, 2.8, 4.5, 6 | ○ | ○ | Very Thick Plates, Forgings | SNCM439 | Approx. 5.0 (set) | |||||
Note) The test piece storage case will be changed from aluminum to resin for shipments starting from August 1, 2019.
Kouei is Distributor/Agent of JSNDI.
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