Stainless Steel, Stainless Iron
430F, 430, 416, 420J2, 420F and 431 for shafts, bearings, valves, precision parts and industrial applications
Hara Metal supplies stainless steel, stainless Iron bars for industrial applications that require corrosion resistance, strength, durability and stable dimensional control. This category is suitable for precision machinery, bearings, valves, electrical components, household products and general stainless applications across multiple industries.
and other grades
Product Details
Characteristics:
Stainless steel is known for its corrosion resistance, strength, durability and hygienic properties. It withstands high temperatures, is easy to clean, and has a sleek appearance. It’s versatile, recyclable, and cost-effective in the long run.
Application:
It’s commonly found in architecture, kitchenware, medical equipment, automotive components, transportation infrastructure, chemical processing, energy production, food and beverage processing, electronics and decorative applications.
Characteristics:
The mechanical properties of 430F steel are influenced by the high sulfur content, resulting in both positive and negative effects. The machinability of the material is remarkably good due to the sulfur addition, while the weldability is adversely impacted by the alloy. The CORROSION RESISTANCE of this stainless steel, despite its high chromium content, is also negatively affected by the elevated sulfur levels. Furthermore, the material is susceptible to pitting corrosion and crevice corrosion.
Application:
430F steel.Automotive industry, Kitchen equipment, Electronic equipment.
Product specifications
| Specification range | Tensile strength Rm | Hardness |
| ≥Φ1 | 520~875 | HRC≤22.0 |
| Tolerance | The outer diameter tolerance can reach ≤0.04mm |
| Surface roughness | The drawing rod can reach ≤Ra0.6, the grinding rod can reach ≤Ra0.3, and there are no trachoma, threads or scratches on the surface. |
| Straightness | Bar length ≤3m, straightness up to 400mm≤0.04mm |
Characteristics:
416 stainless steel is a steel type with better cutting performance among stainless steels and has certain corrosion resistance. 416 is an easy-cutting martensitic stainless steel that can be strengthened through heat treatment. It is especially suitable for mass production of automatic lathes and CNC lathes. The strength and machinability of 416 are better than those of 304 and 316, and the friction coefficient is small.
Application:
Mainly used in the production of solenoid valves, micro motors and electrical components.
Product specifications
| Specification range | Tensile strength Rm | Hardness |
| ≥Φ1 | 520~875 | HRC≤22.0 |
| Tolerance | The outer diameter tolerance can reach ≤0.04mm |
| Surface roughness | The drawing rod can reach ≤Ra0.6, the grinding rod can reach ≤Ra0.3, and there are no trachoma, threads or scratches on the surface. |
| Straightness | Bar length ≤3m, straightness up to 400mm≤0.04mm |
Characteristics:
420J2 stainless steel rod is a martensitic stainless steel. After heat treatment (quenching/tempering), it has excellent corrosion resistance, polishing performance, high strength and wear resistance (magnetic). The price is the lowest among stainless steel bars and is suitable for all types of precision machinery, bearings, electrical appliances, equipment, instruments, meters, transportation vehicles, household appliances, etc.
Application:
various types of precision machinery, bearings, electrical, instruments, meters, transportation tools, household appliances, etc.
Product specifications
| Specification range | Tensile strength Rm | Hardness |
| ≥Φ1 | 555~965 | HRC≤24.0 |
| Tolerance | The outer diameter tolerance can reach ≤0.04mm |
| Surface roughness | The drawing rod can reach ≤Ra0.6, the grinding rod can reach ≤Ra0.3, and there are no trachoma, threads or scratches on the surface. |
| Straightness | Bar length ≤3m, straightness up to 400mm≤0.04mm |
Characteristics:
The microstructure of 420F stainless steel is martensitic. It is a steel type that has improved the cutting performance of 420J2 steel. It increases S to more than 0.15% and P to less than 0.060%. It is also used in surgical knives and can be made very bright. .
Application:
various types of precision machinery, bearings, electrical, instruments, meters, transportation tools, household appliances, etc.
Product specifications
| Specification range | Tensile strength Rm | Hardness |
| ≥Φ1 | 555~965 | HRC≤24.0 |
| Tolerance | The outer diameter tolerance can reach ≤0.04mm |
| Surface roughness | The drawing rod can reach ≤Ra0.6, the grinding rod can reach ≤Ra0.3, and there are no trachoma, threads or scratches on the surface. |
| Straightness | Bar length ≤3m, straightness up to 400mm≤0.04mm |
| Stainless Steel, Stainless Iron | ||||||||||
| Material | Chemical composition (mass fraction) % | |||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Pb | |
| 430F | ≤0.12 | ≤1.00 | ≤1.25 | ≤0.06 | ≥0.15 | —— | 16.00~18.00 | —— | —— | —— |
| 430 | ≤0.12 | ≤0.75 | ≤1.0 | ≤0.04 | —— | ≤0.60 | 16.00-18.00 | —— | —— | —— |
| 416 | ≤0.15 | ≤1.00 | ≤1.25 | ≤0.06 | ≥0.15 | ≤0.60 | 12.00~14.00 | ≤0.60 | —— | —— |
| 420J2 | 0.26~0.4 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | ≤0.60 | 12.00~14.00 | —— | —— | —— |
| 420F | 0.30~0.4 | ≤1.00 | ≤1.25 | ≤0.06 | ≥0.15 | ≤0.60 | 12.00~14.00 | ≤0.06 | —— | —— |
| 431 | ≤0.20 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | 1.25~2.50 | 15.00~17.00 | —— | —— | —— |
What Is Stainless Steel?
Stainless steel is widely used in industrial applications because of its corrosion resistance, strength, durability and hygienic properties. It can withstand high temperatures, is easy to clean and offers a reliable surface appearance for both functional and visible applications. It is suitable for architecture, kitchenware, medical equipment, automotive components, transportation infrastructure, chemical processing, energy production, electronics and decorative use.
Available Stainless Steel Grades
Hara Metal supplies key stainless steel / stainless Iron grades including 430F, 430, 416, 420J2, 420F and 431, with additional grades available on request. These grades are selected for different industrial requirements based on machinability, corrosion resistance, strength, hardness and application type.
Why Choose Stainless Steel from Hara Metal?
- Corrosion resistance for industrial and commercial use
- Suitable for precision parts, valves, bearings and electrical components
- Multiple grades available for different performance requirements
- Tight dimensional tolerance up to ≤0.04 mm
- Surface roughness up to Ra0.6 for drawn bars and Ra0.3 for ground bars
- Straightness control for precision applications
- Suitable for parts requiring durability, surface finish and practical service life
Grade | Best For | Key Strength | Notes |
430F | Automotive parts, kitchen equipment, electronic equipment | Good machinability in ferritic stainless steel | Suitable for applications where easy cutting is important |
430 | General corrosion-resistant industrial use | Practical stainless performance | Suitable for general-purpose stainless applications |
416 | Solenoid valves, micro motors, electrical components | Better cutting performance and heat-treatable strength | Suitable for mass production on automatic or CNC lathes |
420J2 | Precision machinery, bearings, instruments, household appliances | Good corrosion resistance, strength and wear resistance after heat treatment | Suitable for cost-sensitive precision applications |
420F | Precision machinery, bearings, instruments and cutting-related parts | Improved machinability over 420J2 | Suitable for applications requiring easier cutting and bright finish |
431 | Higher-strength stainless parts and demanding industrial use | Good corrosion resistance with stronger mechanical performance | Suitable for applications requiring both strength and corrosion resistance |
Typical Applications
Stainless steel is widely used in applications such as automotive parts, kitchen equipment, electronic equipment, solenoid valves, micro motors, precision machinery, bearings, instruments, transportation tools, household appliances, chemical equipment and decorative materials. It is suitable for parts that require corrosion resistance, durability, stable quality and practical performance in industrial use.
How to Choose the Right Stainless Steel Grade
Choose your grade based on the required corrosion resistance, machinability, hardness, strength and actual application. For general easy-cutting stainless applications, 430F or 416 may be suitable starting points. For precision machinery and bearing-related parts, 420J2 or 420F may be more suitable. For applications that require stronger corrosion resistance together with higher mechanical performance, 431 may be a better choice. If you are unsure which grade matches your drawing or production requirement, contact Hara Metal for grade guidance and quotation support.
Request a Quote for Stainless Steel
Looking for 430F, 430, 416, 420J2, 420F or 431 for your production line? Send your requirement to Hara Metal through our quotation request form and our team will help you confirm the suitable grade, product details and quotation.
FAQs
What is stainless steel used for?
Stainless steel is used for industrial parts such as bearings, valves, electrical components, automotive parts, kitchen equipment, precision machinery, instruments and household products that require corrosion resistance and durability.
What grades of stainless steel does Hara Metal supply?
Hara Metal supplies 430F, 430, 416, 420J2, 420F and 431, with additional grades available on request.
What tolerance can Hara Metal provide for stainless steel bars?
Outer diameter tolerance can reach ≤0.04 mm, depending on the product specification.
Can Hara Metal supply drawn and ground bars?
Yes. Drawn bar surface roughness can reach Ra0.6, while ground bar surface roughness can reach Ra0.3.
How can I request a quote for stainless steel?
You can submit your inquiry through Hara Metal’s quotation form or contact the sales team directly for grade guidance and pricing support.