Ningbo Huayuan Metal Products Co., Ltd.
| Payment Terms | T/T, L/C, D/A, D/P, Western Union, MoneyGram |
| Supply Ability | 500tons per month |
| Delivery Time | 1-15 days |
| Packaging Details | coil, spool with plate. |
| Material | 302CHQ, 304HQ, 304 and 430 |
| Surface | Bright |
| Coil inner diameter | 250-1000mm |
| Standard | JIS G. EN. ASTM. DIN. GB etc |
| Packing | Coil or special packing with plate |
| status | soft , semi-soft |
| Brand Name | Toponewire |
| Model Number | 302CHQ, 304HQ, 304 and 430 |
| Certification | ISO9001:2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C, D/A, D/P, Western Union, MoneyGram | Supply Ability | 500tons per month |
| Delivery Time | 1-15 days | Packaging Details | coil, spool with plate. |
| Material | 302CHQ, 304HQ, 304 and 430 | Surface | Bright |
| Coil inner diameter | 250-1000mm | Standard | JIS G. EN. ASTM. DIN. GB etc |
| Packing | Coil or special packing with plate | status | soft , semi-soft |
| Brand Name | Toponewire | Model Number | 302CHQ, 304HQ, 304 and 430 |
| Certification | ISO9001:2015 | Place of Origin | China |
| High Light | cold heading quality steel wire ，ss cold heading wire | ||
302CHQ, 304HQ, 304 and 430 Cold Draw Stainless Steel Wire with custom tensile strength
What is stainless steel cold heading wire?
Stainless steel wire is often used for the manufacture of screws, rivets, bolts and nails the wire is used cold in order to form the required shape. Cold heading is basically a way of forming wire into a given shape without the need for heat. The process involves striking blows to a length of wire inserted in a die.
The force of the blow or blows causes the metal to flow into a restricted die cavity. The head or upset portion of the part is generally larger in diameter than the original blank of wire and shorter in length. The processes can be more complicated to achieve the correct type of head or have additional shaping processes for example for a hexagon bolt head.
For stainless steel cold heading the most popular grades are in the 300 400 series as they cold head much like carbon and low alloy steels. Type 430 stainless is the easiest to head, The 300 series provides more challenges than the 400 series since alloys in the 300 group have a higher work hardening rate.
Stainless steels in the 300 series require more energy to head than those in the 400 series Grades 302 HQ and 304 Cu which are similar to standard grade 304 with the addition of copper and therefore are the easiest to head, 303 stainless steel is also used for its machining properties.
There are now many alternatives that incorporate a mixture of the key components of machinability, formability and corrosion resistance required for the perfect cold heading wire to meet the customer applications.
| Annealed Finish | Light Drawn | ||||||
|---|---|---|---|---|---|---|---|
| Type | Grade | Tensile Strength N/mm2 (Kgf/mm2) | Elongation (%) | Reduction of area rate (%) | Tensile Strength N/mm2 (Kgf/mm2) | Elongation (%) | Reduction of area rate (%) |
| Austenite | AISI 304/316 | 490-740 (60-75) | 40 over | 70 over | 650-800 (66-81) | 25 | 65 |
| AISI 302HQ | 440-90 (45-60) | 40 over | 70 over | 460-640 (47-65) | 25 | 65 | |
| Ferrite | AISI 430 | 40-55 | 20 over | 65 over | 460-640 (47-65) | 10 | 60 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
1993
Total Annual:
>30,000,000
Employee Number:
>200
Ecer Certification：
Active Member
Toponewire is one of the largest stainless steel production manufacturer in Mainland. We have been active in the production, processing and supplying of stainless steel productions to industries for over 20 years. As a leading supplier of stainless steel p... Toponewire is one of the largest stainless steel production manufacturer in Mainland. We have been active in the production, processing and supplying of stainless steel productions to industries for over 20 years. As a leading supplier of stainless steel p...
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