DWTT Digital Display Drop Weight Tear Impact Testing Machine
Product description:
DWTT Digital Display Drop Weight Tear Impact Testing Machine
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DWTT Digital Display Drop Weight Tear Impact Testing Machine
1. Application:
DWTT series digital display drop weight tear test machine can be used to less than 40 mm conveying pipe or thickness 3 ~ 40 mm ferritic steel, bainite steel, dual phase steel and other steel drop weight tear test (DWTT).
2. Implementation Of Standards:
2.1. GB/T8363-1987: Ferritic steel DWTT.
2.2. ASTME436-1991(Re1997): Ferritic steel DWTT.
2.3. API RP 5L3-1996: Linepipe recommend the practice of drop-weight tear.
3. Main Technical Parameter:
|
Model |
DWTT- 10000 |
DWTT- 20000 |
DWTT- 30000 |
DWTT- 4000 |
DWTT- 5000 |
|
|
Max impact energy(J) |
10000 |
20000 |
30000 |
40000 |
50000 |
|
|
Min impact energy(J) |
4000 |
8000 |
12000 |
15000 |
20000 |
|
|
Main hammer body quality(Kg) |
630 |
630 |
630 |
800 |
1180 |
|
|
main hammer body quality error |
±1% |
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|
Weight quality |
120 |
120 |
390 |
660 |
780 |
|
|
Weight quality error |
±1% |
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|
Total hammer body quality |
1020 |
1020 |
1020 |
1460 |
1960 |
|
|
Lifting height of drop hammer(mm) |
1275～2500 |
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|
Impact speed (m/s) |
5 m～7m/s |
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|
Lifting hammer speed (m/min) |
About 3.0m/min |
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|
Height test resolution(mm) |
0.1 |
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|
Height test error(mm) |
≤±10 |
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Hammer blade hardness |
HRC≥50 |
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|
Hammer blade radius of curvature |
R25.4mm |
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|
Support radius of curvature |
R14.3mm |
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Bearing hardness |
HRC58～62 |
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Hammer blade center、Sample center and Support center deviation (mm) |
≤±1.5 mm |
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Sample bearing span(mm) |
254±1.5mm |
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|
Sample specifications(mm) |
（305±5）×（76±1.5）×（3~40） |
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|
Optional |
Computer |
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Jinan Hensgrand Instrument Co., Ltd.
+86-15910081986 
+86-15910081986 
4915,West jingshi Road,jinan 250012,PR CHINA. 