Medical Grade Stainless Steel

Medical-grade stainless steel is a high-performance material specifically designed for medical devices. It meets stringent standards in terms of corrosion resistance, biocompatibility, mechanical properties, and more, ensuring the safety and reliability of medical devices. Only stainless steel that complies with rigorous international standards such as ASTM, ISO, and FDA can be termed medical-grade stainless steel.

Features of Sanitary Stainless Steel

  • Excellent Corrosion Resistance: Medical-grade stainless steel must have outstanding corrosion resistance as it comes into contact with various chemical solutions and disinfectants in medical environments.
  • Exceptional Biocompatibility: Medical-grade stainless steel is non-toxic and non-allergenic to human tissues, ensuring patient safety.
  • High Strength and Wear Resistance: Medical instruments must endure mechanical stress and wear; thus, medical-grade stainless steel must have good mechanical properties.
  • Easy to Clean and Sterilize: Medical instruments require frequent cleaning and sterilization. Medical-grade stainless steel has a smooth surface that is easy to clean and sterilize.
  • Non-toxic and Safe: Medical-grade stainless steel does not release harmful substances, ensuring the health and safety of patients and healthcare personnel.
  • Compliance with International Standards: Medical-grade stainless steel must meet the stringent requirements of international standards such as ASTM, ISO, and FDA.

Types of Medical Grade Stainless Steel

Depending on the application, medical stainless steel can be categorized into Surgical Stainless Steel, Dental Stainless Steel, Medical Instrument Stainless Steel, Cardiovascular Stainless Steel and Biomedical Stainless Steel.

1. Surgical Stainless Steel

Used for manufacturing surgical instruments, requiring high strength, corrosion resistance, good biocompatibility, non-toxicity, and good machinability.

Common suitable stainless steel grades:

  • 316: Contains 2-3% molybdenum, improving pitting and crevice corrosion resistance, particularly in chloride environments. It is suitable for long-term implants in the human body.

  • 316L: Similar to 316 but with lower carbon content (less than 0.03%), reducing the risk of carbide precipitation and improving corrosion resistance at welded joints.
Medical-grade-stainless steel

2. Dental Stainless Steel

Used for dental tools and implants, requiring wear resistance, corrosion resistance, strong biocompatibility, high strength, and maintaining appearance after prolonged use in the oral cavity.

Common suitable stainless steel grades:

  • 304: Contains 18% chromium and 8% nickel, with good corrosion resistance and mechanical properties, often used in dental instruments and tools.

  • 304L: Similar to 304 but with lower carbon content, reducing the risk of carbide precipitation during welding, making it more suitable for welded dental instruments.

  • 420J1 and 420J2:High carbon martensitic stainless steels with high hardness and wear resistance, used for sharp dental instruments like scalpels and scissors.

3. Medical Instrument Stainless Steel

Used for precision medical instruments, requiring high strength and toughness, corrosion resistance, biocompatibility, high-temperature sterilization, and good machinability.

Common suitable stainless steel grades:

  • 321: Adds titanium to 316 series, improving high-temperature resistance. It also has good corrosion resistance and biocompatibility, meeting the requirements for medical-grade materials. Its excellent mechanical properties ensure that equipment made from 321 can withstand various stresses in high-temperature environments.
  • 410: High carbon martensitic stainless steel with high strength and moderate corrosion resistance, suitable for surgical instruments.

  • 410S: Similar to 410 but with lower carbon content, improving weldability and reducing the risk of hardening and cracking during welding.

  • 420J1 and 420J2: Used for medical instruments requiring high hardness and wear resistance, such as surgical knives and scissors.

4. Cardiovascular Stainless Steel

Used for cardiovascular stents and devices, requiring biocompatibility, corrosion resistance, high strength and toughness, and precision manufacturing.

Common suitable stainless steel grades:

  • 316LVM (Vacuum Melted 316L): This grade is a standard material for cardiovascular devices. Vacuum melting improves material purity and consistency, enhancing biocompatibility and corrosion resistance. It is widely used in cardiovascular implants like stents and catheters.

5. Biomedical Stainless Steel

Used for various implants and medical devices, requiring high biocompatibility, strength, toughness, corrosion resistance, and good machinability and formability.

Common suitable stainless steel grades:

  • 2205 (F60, F51): Duplex stainless steel with 22% chromium and 5% nickel, and molybdenum, offering excellent corrosion resistance and mechanical properties, particularly in chloride environments. Used for biomedical devices and implants.

  • 2207: Super duplex stainless steel with higher chromium, nickel, and molybdenum content than 2205, providing better corrosion resistance and strength, suitable for more demanding biomedical environments.

Sanmei Metal's Medical Grade Stainless Steel

304 and 304L Stainless Steel 

304 and 304L These are the most commonly used medical-grade stainless steels, widely used in various medical instruments and equipment such as surgical instruments, infusion devices, and medical furniture.
Know More 304Know More 304L

410 and 410S Stainless Steel 

410 and 410S These martensitic stainless steels have lower chromium content but still offer good corrosion resistance, suitable for manufacturing less demanding medical instruments. 410S has higher sulfur content to improve machinability.
Know More 410Know More 410S

321 Stainless Steel 

321 stainless steel has excellent high-temperature performance, suitable for medical products requiring high-temperature resistance, such as sterilization equipment and medical dryers.
Know More 321

316 and 316L Stainless Steel 

316 and 316L 316 series offers better corrosion resistance, suitable for medical products requiring higher corrosion resistance, such as implantable medical devices and surgical instruments.
Know More 316Know More 316L

2205 (F60, F51) and 2207 Stainless Steel

2205 (F60, F51) and 2207 : These duplex stainless steels contain high chromium (22% or more) and nickel (5% or more), forming a dense, stable passive film, significantly improving corrosion resistance. They maintain good corrosion resistance in harsh environments such as chlorides, making them suitable for implants and biomedical devices.
Know More 2205Know More 2207
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Basic Surfaces for Stainless Steel Coils and Sheets

The basic finish options for 201, 304, 304L, 316, 316L, and 430, etc. stainless steel coils and sheets include 2B, BA, No. 1, and No. 4 finishes. Please get in touch with our professional sales team for details on other grades and finishes.

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Plenty of Decorative Finishes for Your Stainless Steel Sheet

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Stainless Steel Coil Surface Treatment

The finished stainless steel coil is a powerful solution to the problems of inconsistent styles and discontinuous colors.
including NO.1, 2B, BA, NO.4, 8K, Hairline, brushed and ect.
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Stainless Steel is Everywhere

Stianless Steel is an indispensable material across a wide spectrum of industries, from food processing and medical equipment to household goods, construction, and industrial applications.

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  • I've found her to be one of the most open and passionate people.

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View more technical references from Sanmei Metal regarding stainless steel coils and stainless steel sheets.

Plenty of Finish Styles for Your Stainless Steel Coils and Sheets

including stamped, PVD color coating, antique, anti-fingerprint, laminated, and embossed options.
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complete Special metal processing service

We are committed to giving our customers the best and highest quality service to ensure our customers' satisfaction.

Precision Slitting

Custom Length Cutting

shearing

Shearing

Edge Trimming

Blank Production

Surface Polishing

Tension-Leveling

Fabrication Services

Contact US

Sanmei Metal Combines China's Stainless Steel Resources to Offer You the Best.

10+ Leading Stainless Steel Manufacturers' Resources in China.

HONGWANG
CHENGDE AND ECT.
CHECK OUR ORIGINS

The Supplier You Can Trust

Certified by prestigious institutions and committed to adhering to international standards in every aspect.

mill test report
mill test report
mill test report
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Mill Test Reports

Our Ace: Sincere Customer Care

Customer feedback is the most authentic reflection of a company's quality.

  • She is a Trustworthy Friend and Business Partner

    "Mrs.Paige is a long time business partner, supplying me many diversified products, she has the capacity to supply any product namely finished product, raw materials, machinery, spare parts & also packing materials. She always maintains quality, price and punctuality in full filling orders. She is a good friend with whom you could confidently move forward for the betterment of any business. I wish her good luck" 

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  • I've found her to be one of the most open and passionate people.

    "I've worked with Mrs Paige on numerous deals for our respective companies.At the time, I've found her to be one of the most open and passionate people. Her dealing is flawless, with great coordination and problem solving skills. You can always rely on her to come through for you and give you best support. I can confidently say i gained a good friend and look forward to continued cooperation in future."

    Mr. xxx
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  • She is a Trustworthy Friend and Business Partner

    "Mrs.Paige is a long time business partner, supplying me many diversified products, she has the capacity to supply any product namely finished product, raw materials, machinery, spare parts & also packing materials. She always maintains quality, price and punctuality in full filling orders. She is a good friend with whom you could confidently move forward for the betterment of any business. I wish her good luck" 

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  • I've found her to be one of the most open and passionate people.

    I've worked with Mrs Paige on numerous deals for our respective companies.At the time, I've found her to be one of the most open and passionate people. Her dealing is flawless, with great coordination and problem solving skills. You can always rely on her to come through for you and give you best support. I can confidently say i gained a good friend and look forward to continued cooperation in future.

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2024-11-03T02:00 Nickel

15800

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2644

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9557

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3097

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3500.50

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5900.00

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