AS/NZS 4671:2019 Steel Reinforcing Tensile Testing machine
There are several global standards that specify mechanical properties and/or testing requirements for steel reinforcing bar (rebar). Some of the most common include ASTM A370, ISO 15630-1, BS 4449, AS/NZS 4671, JIS G 3112, GB 1499, and ACI 318. These standards include testing requirement that are specific to determining rebar tensile and bend properties. Many of these rebar standards also make reference to the widely recognized metals tensile testing standards, such as ASTM E8, ISO 6892-1, EN 10002-1, AS 1391, JIS Z 2241, GB/T 228.1 for general tensile testing guidance.
Typical results include Yield Point (ReH, Drop of Beam, Zero Slope), Proof Strength or Offset Yield Strength (Rp0.2, 0.2% Offset Yield), Tensile Strength (Rm), Elongation at Maximum Force (Ag, Agt) and Elongation after Fracture (A). The basic test and challenges are similar regardless of the specific standard being followed.
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AS NZS 4671 2019 Reinforcing Steel Rebar Tensile Testing machine
AS/NZS 4671:2019 Australian/New Zealand Standard Steel for the reinforcement of concrete
1. Panimula
This WAW serries Computerized Electro-hydraulic Servo Universal Testing Machine is widely used for tensile and bending test for steel rebar, carbon steel bar, deformed steel bar.
Ito ay nagpapatibay 4 mga haligi na may chrome plated at 2 nangungunang mga tornilyo, mataas na tigas, mas matatag.Pindutin ang pindutan na pinatatakbo haydroliko makunat grips, madaling mapatakbo.
It’s computer controlled servo hydraulic type, Ang piston ay napupunta up at mataas na katumpakan load cell direktang pagsukat ng pagsubok na puwersa, encoder pagsukat ng displacement at electric extensometer pagsukat ng specimen's extension. Ang makina ay calibrated ayon sa ISO 75001 at ASTM E4.
Maaari itong umayon sa pamantayan ng pagsubok tulad ng SS 560, AS/NZS 4671, ISO 15630-1,2,3, ASTM A615 / A615M ,BS EN 4449,BS EN 10025, ISO 6935-2, ASTM A706, NFA 35-016-1, JIS G3112 atbp.
2. Pangunahing teknikal na mga parameter
| Modelo ng Parameter | WAW-300E | WAW-600E | WAW-1000E | WAW-2000E |
| Max. pagsubok na puwersa (kN) | 300 | 600 | 1000 | 2000 |
| Katumpakan | ±0.5% ng halaga ng pagbabasa | |||
| Round specimen diameter na hanay (mm) | φ10-φ32 | φ10-φ40 | φ13-φ60 | Φ15-φ70 |
| Flat specimen kapal ng hanay (mm) | 0-25 | 0-30 | 0-40 | 10-70 |
| Flat ispesimen lapad hanay (mm) | 75 | 90 | 100 | 120 |
| Makunat na espasyo (mm) | 600 | 740 | 800 | 950 |
| Puwang ng compression (mm) | 530 | 650 | 670 | 750 |
| Clearance sa pagitan ng mga haligi (mm) | 465 | 485 | 515 | 700 |
| Upper at lower compress plate na sukat (mm) | φ120 | φ160 | 200×200 | φ240 |
| Distansya ng baluktot sa pamamagitan ng pass roll (mm) | 30-400 | 30-430 | 30-380 | 50-430 |
| Max. Piston stroke (mm) | 200 | 200 | 250 | 250 |
| Suplay ng kuryente | 380V±10%, 50Hz, tatlong bahagi | |||
| Kapaligiran sa trabaho | 10-40°C, Relatibong kahalumigmigan≤80% | |||
| Dimensyon ng host machine (mm) | 740×620×2058 | 790×690×2330 | 880×760×2660 | 1120×850×3270 |
| Dimensyon ng control cabinet (mm) | 1150×870×650 | |||
| Timbang (kg) | 1800 | 2500 | 3500 | 5000 |
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