| Feature | JIS K 6251 (2017) | ISO 37 (2017) | ASTM D412 (2021) | |---------|-------------------|---------------|------------------| | | Identical to ISO 37 | Base standard | Significantly different | | Test piece types | Types 1–4 (similar to ISO) | Types 1–4 | Types A, B, C, D | | Test speed | 500 mm/min (dumbbells) | 500 mm/min | 500 mm/min (Type A, B, C, D) | | Grips | Pneumatic or roller grips | Pneumatic | Pneumatic or manual | | Elongation measurement | Extensometer or grip separation | Extensometer preferred | Extensometer or marked gauge length | | Acceptance criteria | Median of 3 samples | Median of 3 samples | Median of 5 samples |
Since I cannot directly provide a copyrighted PDF file of the standard, I have drafted a comprehensive technical feature review and summary based on the standard's technical content. jis k 6251 pdf
The standard demands that you calculate tensile strength by dividing the maximum force by the of the narrow portion. You need a thickness gauge accurate to 0.01mm. | Feature | JIS K 6251 (2017) |
Because JIS standards are copyrighted, they are typically purchased through the Japanese Standards Association (JSA) or authorized distributors like ANSI or IHS Markit . 🚀 Conclusion Because JIS standards are copyrighted, they are typically