Bonnell spring used in the manufacture of mattresses, are biconical spirals of 5 and 6 turns, manufactured under ASTM A-407/JIS-G3521, TS STANDARDS 2500-1 EN 10270-1.
Technical Specifications
|
Gauge |
Diameter (inch / mm) |
Tensile Strength (KSI) |
Tensile Strength (MPa) |
|
Cal. 14 |
0.080 / 2.03 mm |
230 – 270 |
1585 – 1850 |
|
Cal. 13½ |
0.087 / 2.20 mm |
220 – 255 |
1500 – 1750 |
|
Cal. 13 |
0.091 / 2.32 mm |
215 – 250 |
1450 – 1700 |
|
Cal. 12½ |
0.106 / 2.40 mm |
205 – 235 |
1400 – 1600 |
- Ensambles económicos y duraderos para marcas comerciales
