ISO 14270:2016 PDF
Resistance welding — Destructive testing of welds — Specimen dimensions and procedure for mechanized peel testing resistance spot, seam and embossed projection welds
Resistance welding — Destructive testing of welds — Specimen dimensions and procedure for mechanized peel testing resistance spot, seam and embossed projection welds
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 17
- Дата публикации:
- 3 марта 2016 г.
- Издание:
- ISO IS 14270 edition 2 version 1
- ICS:
- 25.160.40
ISO 14270:2016 specifies specimen dimensions and a testing procedure for mechanized peel testing of single spot, seam and embossed projection welds, in overlapping sheets, in any metallic material of thickness 0,5 mm to 3 mm, where the welds have a maximum diameter of 7√t (where t is the sheet thickness in mm). For welds of diameter between 5√t and 7√t, the peel strength values obtained may be lower than expected when using the recommended test specimen dimensions because the test specimen width is designed for welds of diameter of 5√t or less. The object of mechanized peel testing is to determine the peel strength that the test specimen can sustain.
Abstract
Overview
ISO 14270:2016 - Resistance welding - Destructive testing of welds - Specimen dimensions and procedure for mechanized peel testing resistance spot, seam and embossed projection welds - defines specimen geometry and a mechanized peel testing procedure for assessing the peel strength of resistance spot, seam and embossed projection welds in overlapping metallic sheets. The standard applies to sheet thicknesses from 0.5 mm to 3.0 mm and to welds with a maximum diameter of 7√t (t = sheet thickness in mm). It is intended to determine the maximum peel force (MPS) a test specimen can sustain.
Key technical topics and requirements
- Scope & applicability: Single spot, seam and embossed projection welds in overlapping sheets, any metallic material, thickness 0.5–3 mm. Note: welds between 5√t and 7√t may give lower-than-expected peel strength with the recommended specimen width.
- Specimen dimensions and tolerances: Tabled specimen dimensions (e.g., flange length and specimen width typically 50 mm for 0.5
Технические детали
- Технический комитет
- ISO/TC 44/SC 6 - Resistance welding and allied mechanical joining
- SKU
- ISO 14270:2016
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