The excellent strength, hardness, and cost-effectiveness of 410 stainless steel bars (410 SS bars) represent product of martensitic stainless steel. These make them ideal for applications requiring "structural strength," such as hardware tools, automotive parts, and machinery manufacturing. Jiangsu Cunrui Metal Products Co., Ltd. has been deeply involved in the stainless steel industry for over ten years. Relying on mature smelting and heat treatment processes, it provides global customers with 410 SS round bars that meet international standards and customized solutions. Whether it's standard-sized 410 stainless steel round bars or special-sized 410 SS bars, they can precisely match customers' production needs. Also, they helps them balance product performance and cost control.
Product Core Information
Features and Advantages
- High Hardness and Toughness: 11.5%–13.5% of 410 SS bars are made of chromium. It can attain HRC 35–45 in hardness after quenching and tempering. In addition to having good toughness and resistance to brittleness, its tensile strength is noticeably higher than that of austenitic stainless steels like 304 and 316.
- Good Machinability: 410 SS round bar (hardness ≤190HB) is simple to machine utilizing turning, milling, drilling, and tapping techniques without the requirement for specialized equipment. More than 30% more machining efficiency is achieved than with high-hardness alloy materials. It greatly eases customers' subsequent production challenges.
- Economical and Practical Cost-Effectiveness: 410 stainless steel round bars do not contain nickel, resulting in lower raw material costs. And the mature production process makes the overall procurement cost of 410 SS bars 20%-30% lower than that of austenitic stainless steel.
- Basic Corrosion Resistance: Thanks to the passivation film formed by chromium, 410 SS bars can resist mild corrosion from the atmosphere and fresh water. They are not prone to rusting even after long-term use. This makes them suitable for manufacturing general outdoor structural components and household hardware.
Product Specifications and Parameters
| Item | Specification | Unit |
|---|---|---|
| Product Name | 410 Stainless Steel Bar / 410 ss Round Bar | - |
| Outer Diameter | 5mm-200mm,3mm-300mm | mm |
| Length | 2000mm-6000mm, Customized(MAX 12000mm) | mm |
| Surface Finish | Cold Rolled(Ra1.6μm),Polished(Ra0.8μm),Annealed | - |
| Heat Treatment | Annealed,Quenched & Tempered | - |
| Execution Standard | ASTM A276,ASTM A484,GB/T 1220,EN 10088 | - |
| Packaging | Export Wooden Case+ Moisture-Proof Film | - |
Chemical Element Content (Unit: %, Conforming to ASTM A276 Standard)
| Element | C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| Content Range | 0.15max | 1.00max | 1.00max | 0.040max | 0.030max | 11.50-13.50 | 0.75max | 0.50max |
Mechanical Properties (Under Different Heat Treatment Conditions, in Accordance With ASTM A276 Standard)
| Heat Treatment | Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| Annealed | ≥485MPa | ≥275MPa | ≥20% | ≤190HB |
| Quenched & Tempered | ≥725MPa | ≥550MPa | ≥15% | 35-45HRC |
Company and Factory Strength
Jiangsu Cunrui Metal is a seasoned supplier of stainless steel bars that combines research and development, manufacturing, sales, and export. It is situated in the central industrial park of Wuxi, Jiangsu Province. There is a 15,000 square meter production workshop within the 20,000 square meter facility. It has two heat treatment production lines (for quenching and tempering), three specialized 410 SS bar rolling production lines, and a full testing laboratory with a spectrometer, tensile testing machine, hardness tester, metallographic microscope, and other equipment. Customers' needs ranges from small-batch trial orders (minimum order of 50 kg) to large-scale purchases (over 300 tons per order), are consistently met by the 5,000 tons of yearly manufacturing capacity. Currently, the company employs 120 people, including a 10-person quality control team and a 15-person R&D team.
Package
FAQ
Common Problem
What are the differences in application scenarios between 410 SS bar and 304 SS bar?
410 SS bar has higher hardness and lower cost, making it suitable for applications requiring high strength but only moderate corrosion resistance. 304 SS bar has strong corrosion resistance but lower hardness, making it suitable for humid or mildly acidic/alkaline environments.
Can a specific hardness range for 410 SS round bar be customized? For example, HRC 40-42.
Yes. By adjusting the quenching temperature and tempering time, the hardness of 410 SS round bar can be precisely controlled within any range between HRC 35-45 (such as HRC 40-42).
Do I need additional certifications to export 410 stainless steel round bars to North America?
Our company already holds CE certification and can assist with customs clearance documents such as certificates of origin and SGS test reports. If used in food contact applications (such as food processing equipment parts), we can assist with FDA certification, which takes approximately 7-10 business days. The cost is negotiable.
What should I do if I find uneven hardness after purchasing 410 SS bars during processing?
If authoritative testing confirms that the hardness deviation exceeds the agreed range (e.g., agreed HRC 38-40, actual deviation ±2 or more), our company will unconditionally process a return or exchange and bear all related costs, including testing and shipping. We will also optimize the heat treatment process (e.g., adjusting the holding time) to avoid similar problems in the future.
