Ultra Coupler SD600 Tensile, Yield and Residual Deformation Test Report (D16-D32)_2026-04
Test Report Details
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Document details and measured results are available in HTML. Original documents are provided as images below. PDF attachments can be downloaded at the bottom of this page.
- Product
- 울트라커플러(현장체결식 철근커플러) SD600 (D16~D32)
- Test standard / method
- KS D 0249, KS B 0802
- Testing organization
- ㈜한국건설품질연구소
- Test or issue period
- 2026-04-17 (발행일)
- Result summary
- D16·D19·D22·D25·D29·D32 규격의 인장강도·잔류변형량·기계적 이음 항복강도 시험 결과가 모두 합격으로 확인됨.
Results apply to the specimens in the source reports. Confirm the product, rebar grade, diameter and project requirements before use.
Results by Rebar Size
Ultra Coupler SD600 · Issued 2026-04-17
Measurements from the laboratory reports, grouped by rebar size. Results apply to the specimens tested.
| Size | Yield strength N/mm² |
Tensile strength N/mm² |
Residual deformation mm |
Fracture location |
Source |
|---|---|---|---|---|---|
| D16 | 644 | 753 | 0.18 | Rebar | D16 report |
| D19 | 656 | 770 | 0.06 | Rebar | D19 report |
| D22 | 650 | 783 | 0.07 | Rebar | D22 report |
| D25 | 647 | 766 | 0.02 | Rebar | D25 report |
| D29 | 671 | 801 | 0.22 | Rebar | D29 report |
| D32 | 652 | 781 | 0.17 | Rebar | D32 report |
Swipe the table to see all columns on mobile.
Acceptance Criteria
JUNSUNG comparison-sheet criteria: yield strength 600–780 N/mm²; tensile strength ≥ 750 N/mm²; residual deformation ≤ 0.3 mm; rebar fracture.
JUNSUNG comparison sheet is the source of these criteria; this summary does not replace the full applicable standard.
Source: Korea Construction Quality Institute Co., Ltd. · KS D 0249, KS B 0802
준성산업 울트라 커플러(현장체결식 철근커플러) 품질검사 성적서입니다.
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