Carbon Steel Wire for Zigzag and Square-form Springs
group namePatented Spring Steel Wires
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Min Order1 piece
brand namefushun
payment methodT/T, L/C, D/P D/A
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update timeTue, 07 Dec 2021 11:54:20 GMT
Packging & Delivery
Min Order1 piece
Briefing
Detailed
Carbon Steel Wire for Zigzag and Square-form Springs
patented cold drawn plain carbon steel round wire, suitable for forming into zigzag and square-form springs used in the production of seat and back units for cars and certain types of domestic upholstery. Wire to this standard is not intended for use in the manufacture of mechanical springs.
Zigzag/Square-form Springs Steel Wire Chemical composition
Carbon 0.45-0.85
Silicon 0.35
Manganese 0.40-1.00
Sulphur 0.050
Phosphorous 0.050
Zigzag/Square-form Springs Steel Wire Standard sizes and diameter tolerances
Maximum ovality 0.03mm
Tolerance on diameter ± 0.03mm
Standard sizes and tensile strengths for wire for square-form springs
| Standard size (nominal diameter) | Tensile strength | |
|---|---|---|
| Grade 1 | Grade 2 | |
| mm | N/mm2 | N/mm2 |
| 2.3 | 1 550/1 720 | 1 600/1 770 |
| 2.65 | 1 500/1 670 | 1 550/1 720 |
| 3.07 | 1 500/1 670 | 1 550/1 720 |
| 3.25 | 1 500/1 670 | 1 550/1 720 |
| 3.45 | 1 450/1 620 | 1 500/1 670 |
| 3.75 | 1 350/1 520 | 1 400/1 570 |
| 4 | 1 350/1 520 | 1 400/1 570 |
| 4.12 | 1 350/1 520 | 1 400/1 570 |
Standard sizes and tensile strengths for wire for zigzag springs
| Standard size (nominal diameter) | Tensile strength | ||
|---|---|---|---|
| Grade 1 | Grade 2 | Grade 3 | |
| mm | N/mm2 | N/mm2 | N/mm2 |
| 2 | 1 600/1 770 | 1 650/1 820 | 1 700/1 870 |
| 2.12 | 1 600/1 770 | 1 650/1 820 | 1 700/1 870 |
| 2.24 | 1 600/1 770 | 1 650/1 820 | 1 700/1 870 |
| 2.36 | 1 600/1 770 | 1 650/1 820 | 1 700/1 870 |
| 2.5 | 1 550/1 720 | 1 600/1 770 | 1 700/1 870 |
| 2.65 | 1 550/1 720 | 1 600/1 770 | 1 700/1 870 |
| 2.8 | 1 550/1 720 | 1 600/1 770 | 1 700/1 870 |
| 3 | 1 500/1 670 | 1 600/1 770 | 1 700/1 870 |
| 3.07 | 1 500/1 670 | 1 600/1 770 | 1 700/1 870 |
| 3.15 | 1 500/1 670 | 1 600/1 770 | 1 700/1 870 |
| 3.25 | 1 500/1 670 | 1 550/1 720 | 1 700/1 870 |
| 3.35 | 1 500/1 670 | 1 550/1 720 | 1 700/1 870 |
| 3.45 | 1 450/1 620 | 1 550/1 720 | 1 650/1 820 |
| 3.55 | 1 450/1 620 | 1 550/1 720 | 1 650/1 820 |
| 3.65 | 1 450/1 620 | 1 550/1 720 | 1 600/1 770 |
| 3.75 | 1 400/1 570 | 1 550/1 720 | 1 600/1 770 |
| 4 | 1 400/1 570 | 1 550/1 720 | 1 600/1 770 |
| 4.12 | 1 400/1 570 | 1 500/1 670 | 1 600/1 770 |
| 4.25 | 1 400/1 570 | 1 500/1 670 | 1 550/1 720 |
| 4.5 | 1 400/1 570 | 1 450/1 620 | 1 500/1 670 |
| 4.75 | 1 400/1 570 | 1 450/1 620 | 1 500/1 670 |
| 4.87 | 1 400/1 570 | 1 450/1 620 | 1 500/1 670 |
Zigzag/Square-form Springs Steel Wire Finished wire
Freedom from defects.
The finished wire shall be free from harmful surface defects, pipe and segregation.
Condition. The wire shall be supplied in a smooth, bright drawn condition, unless otherwise specified. The wire may be supplied with a galvanized or other coating, when so specified by the purchaser on his order. The coating requirements shall be the subject of an agreement between the manufacturer and the purchaser. Wire supplied in coil form shall lie dead and shall be free from any corkscrew set.
Zigzag/Square-form Springs Steel Wire Packing and identification
The wire shall be securely tied and shall carry a suitable label or labels on which shall be shown the information indicated in Clause 2. Any other markings shall be agreed between the purchaser and the manufacturer.
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- Nearest port for product export
- Tianjin, Qingdao, Shanghai, Huangshi
- Delivery clauses under the trade mode
- FOB, CFR, CIF, CIP, CPT, DDP, DDU, DAF
- Acceptable payment methods
- T/T, L/C, D/P D/A