At Toponewire, we are more than just a supplier of stainless steel.
Toponewire(NingBo Huayuan Metal Co.,Ltd) was founded in 1993 by Mr.Guochang Zhao. After over 20 years of development, Toponewire has become one of the largest stainless steel wire manufacturers in Mainland. We are dedicated to sustaining a long-term supply partnership with our customers. Therefore, we work closely with our clients to provide solutions to their needs.
History
1--1991, Ningbo Huayuan Metal(Toponewire) founded for carbon steel spring wire production.
2--1993, Investing manufacturing and inspection facilities for stainless steel spring wire
3--1996, Topone stainless Steel wire annual sales amount up to 1000 Tons.
4--2000, Topone wire began to produce and provide stainless steel annealed wire, EPQ wire, flat wire.
5--2005, Topone stainless steel wire annual sales amount up to 3000 Tons
6--2006, International business department founded for international business.
7--2007, Factory passed ISO9001:2008 and Topone stainless steel wire get RoHS approved.
8--2013, Topone Stainless Steel wire annual sales amount up to 6000 Tons, production maximum capacity up to 9500 Tons.
9--2014, Korea branch started stocking regular wires for korea customer.
10--2017, Europe department founded focus on EU market.
Supplying stainless steel wire around the world, Toponewire facilitate the growth and development of many other industries.
From some of the largest and oldest corporate organisations to new, up-and-coming precision engineering companies, our client portfolio is as diverse as our product range.
Products
From our head factory in NingBo, ZheJiang, we offer a wide range of products and services to suit various industries.
Closely linked to NingBo Port ship networks, we offer fast, reliable access to our huge stock of Stainless-steel production.
Services
In addition to our range of products, we have the capability to provide custom services:
- Processing techniques such as slitting, rewinding and cut to length.
- In-house deburring and edge dressing of stainless steel coil and blanks.
- Sheared to size stainless steel blanks.
- Specialist nails, rivets and fastenings.
International Business
For international business we have the ability to arrange specific packing such as plate, crates, heat treated pallets and have the facility to load both 20ft and 40ft shipping containers.
In addition, we can also manage LCL, FCL and air freight shipments.
Additional Information
Toponewire have been used everywhere from Premier League football grounds to top-name sports cars.
No matter the product we are supplying, Toponewire maintains our core aims and values which include working closely with our customers to ensure high-quality, good-value products that exceed expectations
Products range:
We can manufacture most stainless steel grade from 0.25-18mm.
| AISI,ASTM |
JIS |
EN |
Spring Wire |
Forming Wire |
EPQ Wire |
CHQ Wire |
Weaving Wire |
Anealed Wire |
Flat Wire |
| 201,S20100 |
SUS201 |
1.4372 |
√ |
√ |
√ |
√ |
|
√ |
√ |
| 202,S20200 |
SUS202 |
1.4373 |
√ |
|
|
|
|
√ |
√ |
| 301,S30100 |
SUS301 |
1.4310 |
√ |
|
|
|
|
√ |
√ |
| 302,S30200 |
SUS302 |
1.4300 |
√ |
|
|
|
|
√ |
√ |
| 302HQ |
SUS302HQ |
1.4567 |
√ |
√ |
|
√ |
|
|
√ |
| 304,S30400 |
SUS304 |
1.4301 |
√ |
√ |
√ |
|
√ |
√ |
√ |
| 304L,S30403 |
SUS304L |
1.4306 |
√ |
|
|
|
|
√ |
√ |
| 304H |
SUS304H |
1.4948 |
√ |
|
|
|
|
√ |
√ |
| 304N,S30451 |
SUS304N1 |
1.4315 |
|
|
|
|
|
√ |
√ |
| 316,S31600 |
SUS316 |
1.4401 |
√ |
√ |
√ |
√ |
√ |
|
√ |
| 316L,S31603 |
SUS316L |
1.4435 |
|
√ |
|
√ |
|
√ |
√ |
| 321,S32100 |
SUS321 |
1.4878 |
|
|
|
|
√ |
√ |
√ |
| 410,S41000 |
SUS410 |
1.4006 |
|
√ |
|
√ |
|
√ |
|
| 420,S42000 |
SUS420J1 |
1.4021 |
|
|
|
√ |
|
√ |
|
| 430,S43000 |
SUS430 |
1.4016 |
|
√ |
|
√ |
|
√ |
√ |
Chemical Composition
| Grade |
C |
Si |
Mn |
Cr |
N |
P |
S |
Ni |
Cu |
Ti |
Mo |
| 201 |
≤0.15 |
≤0.75 |
5.5~7.50 |
16.0~18.0 |
≤0.25 |
≤0.06 |
≤0.03 |
3.5~5.5 |
0.80% |
|
|
| 202 |
≤0.15 |
≤1.0 |
7.50~10.0 |
17.0~19.0 |
≤0.25 |
≤0.06 |
≤0.03 |
4.0~6.0 |
– |
|
|
| 301 |
≤0.15 |
≤1.0 |
≤2.0 |
16.0~18.0 |
– |
≤0.045 |
≤0.03 |
6.0~8.0 |
– |
|
|
| 302 |
≤0.15 |
≤1.0 |
≤2.0 |
17.0~19.0 |
– |
≤0.035 |
≤0.03 |
8.0~10.0 |
– |
|
|
| 302HQ |
≤0.15 |
≤1.0 |
≤2.0 |
8.0~10.0 |
– |
≤0.045 |
≤0.03 |
8.0~10.0 |
3~4 |
|
|
| 304 |
≤0.08 |
≤1.0 |
≤2.0 |
18.0~20.0 |
– |
≤0.045 |
≤0.03 |
8.0~11.0 |
– |
|
|
| 304L |
≤0.03 |
≤1.0 |
≤2.0 |
18.0~20.0 |
– |
≤0.045 |
≤0.03 |
8.0~11.0 |
– |
|
|
| 304H |
0.04~0.1 |
≤1.0 |
≤2.0 |
18.0~20.0 |
– |
≤0.045 |
≤0.03 |
8.0~11.0 |
– |
|
|
| 304N |
≤0.08 |
≤0.75 |
≤2.0 |
18.0~20.0 |
0.1~0.16 |
≤0.045 |
≤0.03 |
8.0~11.0 |
– |
|
|
| 316 |
≤0.08 |
≤1.0 |
≤2.0 |
16~18.0 |
– |
≤0.035 |
≤0.03 |
10.0~14.0 |
– |
|
2.0~3.0 |
| 316L |
≤0.03 |
≤1.0 |
≤2.0 |
16.0~18.0 |
– |
≤0.045 |
≤0.03 |
10.0~14.0 |
– |
|
2.0~3.0 |
| 321 |
≤0.08 |
≤1.0 |
≤2.0 |
17.0~19.0 |
– |
≤0.045 |
≤0.03 |
9.0~12.0 |
– |
≤0.7 |
|
| 410 |
≤0.15 |
≤1.0 |
≤1 |
11.5~13.5 |
– |
≤0.040 |
≤0.03 |
– |
– |
|
|
| 420 |
0.3~0.4 |
≤1.0 |
≤1 |
12.0~14.0 |
– |
≤0.040 |
≤0.03 |
≤0.75 |
– |
|
|
| 430 |
≤0.12 |
≤0.75 |
≤1 |
16.0~18.0 |
– |
≤0.040 |
≤0.03 |
≤0.60 |
– |
|
|
For more information, please feel free to contact us.
Using the knowledge and expertise held by our staff on the steel and metal industry, and our close association with organisations like the China Stainless-Steel Association (CSSA), we offer a world-class service in advising on material usage, grades, and specifications, to help the systems’ life expectancy, and guiding you through the wide range of capabilities and processes we offer that can be tailored to meet your requirements.
From a friendly greeting to an on-time delivery, our support staff and warehouse operators are dedicated to providing the highest level of service to our customers.
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