PRODUCTS DESCRIPTION:
1) HS Code: 72172000
2) Standard: Both GB/T 4357-89 , DIN& EN are available.
3) Tensile Strength: 1570 Mpa, 1670Mpa,1770 Mpa,1860Mpa 1960 Mpa
etc.
4) Package: Packing in soft coils or Z2, Z3 packing etc.
5) Delivery Time: 30 days after the final confimation of order
How to order:
1. Size: Diameter of the wire in millimeter or inches
2. Coating: Bright(ungalvanized), galvanized or Grease.
3. Packing: In small coils wrapped with oil paper and 2 or 3 big
coils packed into one pallet..
4. Grade of wire: Tensile strength of wires.
5. Quantity: By number of coils or reels, by length or weight.
6. Lubrication: Whether lubrication is desired or not, and required
lubricant.
7. Purpose: For which steel wire will be used.
8. Breaking Load: Minimum or calculated breaking load in tones or
pounds.
9. Remarks: Shipping marks and any other special requirement.
TECHNOLOGY DETAIL
Used For Stranded Conductors Of Electric Circuits
| Carbon spring steel wires |
| Suitable for using the springs in machinery | GB4357-89 |
| Diameter mm | Tensile Strength ,MPa |
| B | C | D |
| 0.40 | 1910-2300 | 2250-2650 | 2600-2990 |
| 0.45 | 1860-2260 | 2200-2600 | 2550-2940 |
| 0.50 | 1860-2260 | 2200-2600 | 2550-2940 |
| 0.55 | 1810-2210 | 2150-2550 | 2500-2890 |
| 0.60 | 1760-2160 | 2110-2500 | 2450-2840 |
| 0.63 | 1760-2160 | 2110-2500 | 2450-2840 |
| 0.70 | 1710-2110 | 2060-2450 | 2450-2840 |
| 0.80 | 1710-2060 | 2010-2400 | 2400-2840 |
| 0.90 | 1710-2060 | 2010-2350 | 2350-2750 |
| 1.00 | 1660-2010 | 1960-2300 | 2300-2690 |
| 1.20 | 1620-1960 | 1910-2250 | 2250-2550 |
| 1.40 | 1620-1910 | 1860-2210 | 2150-2450 |
| 1.60 | 1570-1860 | 1810-2160 | 2100-2400 |
| 1.80 | 1520-1810 | 1760-2110 | 2010-2300 |
| 2.00 | 1470-1760 | 1710-2010 | 1910-2200 |
| 2.20 | 1420-1710 | 1660-1960 | 1810-2110 |
| 2.50 | 1420-1710 | 1660-1960 | 1760-2060 |
| 2.80 | 1370-1670 | 1620-1910 | 1710-2010 |
| 3.00 | 1370-1670 | 1570-1860 | 1710-1960 |
| 3.20 | 1320-1620 | 1570-1810 | 1660-1910 |
| 3.50 | 1320-1620 | 1570-1810 | 1660-1910 |
| 4.00 | 1320-1620 | 1570-1760 | 1620-1860 |
| 4.50 | 1320-1570 | 1520-1760 | 1620-1860 |
Tensile strength table of steel wire(Mpa)
| Group | Tensile strength |
| A1 | 1180-1380 |
| A2 | 1380-1580 |
| A3 | 1580-1780 |
| A4 | 1780-1980 |
| A5 | 1980-2180 |
| A6 | 2180-2380 |
Diameter tolerance of steel wire
| Diameter of steel wire(mm) | Grade of allowable tolerance |
| h10 | h11 | h12 |
| Allowable tolerance |
| >0.30-0.60 | ±0.01 | ±0.02 | ±0.03 |
| >0.60-1.00 | ±0.01 | ±0.02 | ±0.03 |
| >1.00-3.00 | ±0.02 | ±0.03 | ±0.05 |
| >3.00-5.00 | ±0.02 | ±0.03 | ±0.05 |
Marketing and Services
We located in Hubei which is the thoroughfare of nine provinces,
the company enjoys significant advantages in traffic location; our
company is only 2 km from Hanjiang, 3 km from Hanyi Railway. We have our own logistics company, and can
carry out the transportation through waterway, highway and railway.
We have set up powerful marketing network, with more than 60 offices and distribution divisions. Adhering to the marketing
principle of "Putting personal morality before work", we provide
pre-sales, sales and after-sales services for the clients. Based on
24 hour tracking all the way, we can serve the companies in a prompt
and considerate manner.
