- No. 51 Fuyang Road, Dalang Town, Dongguan City, Guangdong Province
- info@tongyimetal.com
- +8613929471444
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| Alloy Designation | Main Component（%） | ||||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Pb | N | |
| 416 | ≤0.15 | ≤1.0 | ≤1.25 | ≤0.060 | ≥0.015 | ≤0.60 | 12.00~14.00 | ≤0.60 | – | – | – |
| 420 | 0.18~0.23 | 0.15~0.35 | 0.60~0.90 | ≤0.03 | ≤0.03 | ≤0.25 | 0.90~1.20 | 0.15~0.25 | |||
| 420J2 | 0.26~0.40 | ≤1.0 | ≤1.0 | ≤0.040 | ≤0.030 | ≤0.60 | 12.00~14.00 | – | – | – | |
| 420F | 0.26~0.40 | ≤1.0 | ≤1.25 | ≤0.060 | ≤0.15 | ≤0.60 | 12.00~14.00 | ≤0.60 | – | – | – |
| 430 | ≤0.15 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.030 | ≤0.60 | 16.00~18.00 | – | – | – | |
| 430F | ≤0.12 | ≤1.0 | ≤1.25 | ≤0.060 | ≥0.15 | ≤0.60 | 16.00~18.00 | ≤0.60 | – | – | – |
| 440C | 0.95~1.20 | ≤1.0 | ≤1.25 | ≤0.030 | ≤0.030 | ≤0.60 | 16.00~18.00 | ≤0.75 | – | – | – |
| 416FC | ≤0.15 | ≤1.0 | ≤1.25 | ≤0.060 | >0.15 | – | 12.4 | – | – | – | – |
| 415 | 0.13~0.18 | 0.15~0.35 | 0.60~0.90 | ≤0.03 | ≤0.03 max | ≤0.25 max | 0.90~1.20 | 0.15~0.25 | |||
| 435 | 0.33~0.38 | 0.15~0.35 | 0.60~0.90 | ≤0.03 | ≤0.03 max | ≤0.25 max | 0.90~1.20 | 0.15~0.30 | |||
| 440 | 0.38~0.43 | 0.15~0.35 | 0.60~0.90 | ≤0.03 | ≤0.03 max | ≤0.25 max | 0.90~1.20 | 0.15~0.30 | |||
430F stainless steel round bars offer exceptional machinability due to the addition of sulfur, making them ideal for high-speed machining operations. This grade of stainless steel provides moderate corrosion resistance and good mechanical properties, making it suitable for manufacturing fasteners, gears, and other precision components. 430F stainless steel is commonly used in environments where ease of machining is a priority, without compromising material strength.
430F stainless steel round bars are a free-machining variant of the 430 stainless steel, specifically designed to offer enhanced machinability. This is achieved by the addition of sulfur, allowing for smoother, faster cutting operations in automatic lathes and CNC machines. While it provides moderate corrosion resistance, 430F stainless steel excels in applications requiring high precision and efficiency, such as the production of screws, bolts, fasteners, and other components used in automotive, aerospace, and industrial machinery. Its good mechanical properties ensure durability, while its improved machinability reduces tool wear and enhances production speed, making it a preferred choice for manufacturers seeking high-quality, efficient performance.
Our company’s products are suitable for various fields such as digital products, electrical appliances, medical, office equipment, power clocks, electromechanical, robotics, automotive, electronics, etc. We strive to create high-quality products in the industry.
Guangdong tongyi metal technology co., ltd. Is a leading brand specializing in the production of precision special steel. We offer a wide range of standard products and excel in providing custom steel grades, shape customization, and bulk orders to meet the stringent requirements of precision hardware parts processing. driving technological innovation and delivering high-quality metal materials and solutions to our clients.
We have 168 imported high-precision equipment and more than 30 core technicians.
Up to 30000 tons of metal materials can be produced annually
We collaborate with over 10000 strategic partners globally
The company has more than 100 production equipment imported from japan and 38 core technicians. Strictly implement iso9001 management system in the production process, import high-precision testing equipment can provide accurate data support to win customer trust and support with high quality and fast delivery.
The same metal has 68 sets of measuring equipment imported from Japan, such as Mitoyo micrometer, straightness test, hardness tester, spectrometer, magnetic detector, etc. The outer diameter accuracy of the material is measured once every 5 minutes, and the quality is all qualified before packaging and shipping.
The same metal has 15 years of stainless steel rod/wire material research and development, design, production experience, foreign large strength manufacturers. Customized matching material solutions according to customer needs in various industries.
offers clear and concise answers to the most frequently asked questions about our stainless steel bars, ensuring you get the information you need quickly and efficiently.
We offer a variety of stainless steel, titanium alloy, quenched and tempered steel bars and wires, including 303, 304, 316, 410, and more. We can also customize the composition according to your requirements.
Yes, we can customize the length of stainless steel bars according to the specific requirements of our customers, reducing material waste and lowering costs.
Our stainless steel bars are widely used in various industries, including construction, automotive, medical devices, food processing, and aerospace.
We offer a variety of surface treatment options, including polishing, brushing, pickling, and mirror finishing, to meet different application needs.
We adhere to the ISO9001 quality management system, conducting strict quality control at every stage from raw material procurement to the production process, and we also offer third-party inspection services.
Materials, appearance, dimensions, straightness, smoothness, etc. can be customized according to needs
Materials, appearance, dimensions, straightness, smoothness, etc. can be customized according to needs
