9Cr18 Martensitic Stainless Steel Round Bar
9Cr18 Martensitic Stainless Steel Round Bar
Product Introduction
9Cr18 Martensitic Stainless Steel Round Bar is a high-carbon chromium stainless steel known for its high hardness, wear resistance, strength, and good corrosion resistance after appropriate heat treatment. The material is suitable for applications requiring a combination of hardness and dimensional stability. It can be supplied in different diameters, lengths, and surface conditions for machining and precision component manufacturing. Typical applications include cutlery, bearings, shafts, tools, molds, and wear-resistant components. Customized dimensions, heat treatment, surface finish, and processing are available according to project requirements.
Specifications
| Specification | Details |
|---|---|
| Product Type | 9Cr18 Martensitic Stainless Steel Round Bar |
| Material Grade | 9Cr18 |
| Material Type | Martensitic Stainless Steel |
| Equivalent / Related Grades | According to applicable standards and customer requirements |
| Standard | GB / ASTM / JIS / DIN / EN / Other applicable standards |
| Diameter | 3 – 500 mm / Customized |
| Length | 2 – 6 m / Customized |
| Manufacturing Process | Hot Rolled / Cold Drawn / Peeled / Ground / Forged where applicable |
| Surface Finish | Black / Bright / Peeled / Ground / Polished |
| Heat Treatment | Annealed / Quenched & Tempered / Customized |
| Tolerance | According to applicable standards or customer requirements |
| Processing | Cutting / Grinding / Polishing / Turning / Customized |
| Customization | Diameter / Length / Tolerance / Heat Treatment / Surface / Processing |
Need a Customized Solution?
If you cannot find a 9Cr18 martensitic stainless steel round bar for your project, please contact Queen Metal. We provide customized solutions based on your required grade, dimensions, standard, surface finish, end treatment, and application.
Send us your specifications, technical requirements, drawings, or parameter files, and our team will provide a suitable quotation and supply solution.
Email: ding@queenmetal.com
Applications & Industries
| Industry | Typical Applications |
|---|---|
| Cutlery Manufacturing | Knives, blades and cutting components |
| Bearing Industry | Bearing components and wear-resistant parts |
| Tool Manufacturing | Cutting tools, precision tools and industrial tools |
| Machinery | Shafts, pins and precision mechanical components |
| Mold Manufacturing | Mold components and wear-resistant parts |
| Automotive | Precision and wear-resistant mechanical components |
| Industrial Equipment | Corrosion-resistant and high-hardness components |
| General Fabrication | Custom machined parts and specialty components |
Quality Assurance & Testing
| Quality Control | Details |
|---|---|
| Material Verification | Chemical composition and material grade according to applicable standards |
| Dimensional Inspection | Diameter / Length / Straightness |
| Surface Inspection | Surface condition and finish |
| Mechanical Testing | Tensile Strength / Yield Strength / Elongation according to applicable standards |
| Hardness Testing | Hardness testing according to material condition and requirements |
| Heat Treatment Inspection | Heat treatment condition according to applicable requirements |
| Metallographic Inspection | Available according to product and project requirements |
| MTC | Material Test Certificate available according to order requirements |
| Third-Party Inspection | Available upon request |
Packaging & Logistics
| Item | Details |
|---|---|
| Packaging | Export-standard stainless steel bar packaging |
| Protection | Waterproof paper / Plastic protection / Steel strapping |
| Bundle Packing | Bundled according to bar diameter and transportation requirements |
| Wooden Cases | Available according to product size and shipping requirements |
| Surface Protection | Suitable protection according to surface finish |
| Loading | Container / Bulk shipment |
| MOQ | According to diameter, length and order requirements |
| Lead Time | Confirmed according to material availability, processing and order quantity |
FAQS
1. What is 9Cr18 stainless steel?
9Cr18 is a high-carbon martensitic stainless steel containing approximately 18% chromium. It is known for its high hardness, wear resistance, strength, and good corrosion resistance when appropriately heat treated.
2. What is 9Cr18 stainless steel round bar used for?
9Cr18 round bar is commonly used for knives, blades, bearings, shafts, molds, precision tools, and wear-resistant mechanical components.
3. Can 9Cr18 round bars be heat treated?
Yes. Heat treatment is an important part of achieving the required mechanical properties of 9Cr18. The supplied condition and heat treatment can be specified according to the intended application.
4. What sizes of 9Cr18 round bar are available?
Queen Metal can supply different diameters and lengths according to production capabilities and customer requirements. Custom diameters, lengths, and tolerances are available for specific applications.
5. Can 9Cr18 round bars be machined or processed?
Yes. Queen Metal can provide cutting, grinding, polishing, turning, and other processing services according to drawings, dimensions, and project requirements.

Request a Quote Now
Tell us your requirements (Steel Grade, Specifications, Quantity), and our sales engineers will respond within 2 hours.