What Is The Difference Between 316L And 316LVM?
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When choosing stainless steel for medical, aerospace, or precision components, two similar-sounding grades often cause confusion: 316L and 316LVM.
Although both belong to the 316 family and share similar chemical compositions, 316LVM (Vacuum Melted 316L) offers higher purity, better biocompatibility, and improved corrosion resistance - making it ideal for surgical and implant-grade applications.
What is 316L stainless steel?
316L stainless steel is a low-carbon version of 316 stainless steel with the addition of molybdenum, making it extremely corrosion-resistant, especially in chloride-rich seawater environments. The "L" indicates its low carbon content, which enhances its weldability and resistance to intergranular corrosion after welding. It is widely used in a variety of applications, including chemical processing equipment, marine hardware, and jewelry.
What is 316LVM stainless steel?
316LVM is a medical-grade stainless steel processed using a vacuum arc remelting (VAR) process to achieve high purity and cleanliness. Its excellent corrosion resistance and high biocompatibility make it an ideal choice for medical implants and surgical instruments. The "L" in the name indicates the low carbon content, and the "VM" stands for vacuum melting, which creates a uniform, impurity-free microstructure. Therefore, 316LVM is an ideal choice for those seeking durable, long-lasting parts that will not lose their original luster and shape over time.
1.Chemical Composition
| Element (%) | AISI 316L | AISI 316LVM |
|---|---|---|
| Carbon (C) | ≤ 0.03 | ≤ 0.03 |
| Chromium (Cr) | 16.0 – 18.0 | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 | 13.0 – 15.0 |
| Molybdenum (Mo) | 2.0 – 3.0 | 2.25 – 3.00 |
| Sulfur (S) | ≤ 0.03 | ≤ 0.010 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.025 |
| Melting Process | Electric Arc or Argon Oxygen Decarburization | Vacuum Induction Melting (VIM) + Vacuum Arc Remelting (VAR) |
Key takeaway:316LVM is produced under vacuum melting conditions, significantly reducing impurities like sulfur, phosphorus, and inclusions. This results in a more homogeneous microstructure, ensuring higher corrosion resistance and superior cleanliness.
2. Mechanical Properties
| Property | 316L | 316LVM |
|---|---|---|
| Tensile Strength (MPa) | 485 | 515 |
| Yield Strength (MPa) | 170 | 200 |
| Elongation (%) | 40 | 35 |
| Hardness (HB) | 150 max | 160 max |
316LVM's slightly higher strength and hardness make it ideal for precision machining and long-term implantation applications where mechanical fatigue and cleanliness are critical.
3. Corrosion Resistance & Purity
316L: Excellent resistance to acids, chlorides, and seawater, widely used in marine, chemical, and food industries.
316LVM: Enhanced corrosion resistance due to the absence of nonmetallic inclusions. Its ultra-clean microstructure meets ASTM F138/F139 medical-grade standards, making it suitable for implants, surgical tools, and aerospace fasteners.
4. Applications
| 316L Stainless Steel | 316LVM Stainless Steel |
|---|---|
| Chemical processing equipment | Surgical instruments |
| Marine hardware & pumps | Orthopedic implants |
| Food & beverage industry | Dental implants |
| Architectural structures | Aerospace components |
| Heat exchangers | Precision springs and wires |
316L stainless steel Price per kg (October 2025 Update)
| Product Type | Material Grade | Form | Price (USD/kg) |
|---|---|---|---|
| Stainless Steel Rod | 316L | Hot Rolled | $3.20 – $3.60 |
| Stainless Steel Rod | 316LVM | Vacuum Melted | $7.50 – $9.00 |
| Wire for Implants | 316LVM | Cold Drawn | $9.50 – $11.00 |
| Sheet / Plate | 316L | 2B Finish | $3.00 – $3.40 |
Note: The price of 316LVM is approximately 2–3 times higher than 316L, mainly due to its vacuum melting process, stricter quality control, and medical certification requirements.
Recent Market Adjustment (Q4 2025)
Driven by rising nickel prices and growing demand from the biomedical industry, 316LVM prices have increased by 3–6% compared with Q3 2025.
However, Gnee offers bulk order discounts and stable long-term supply contracts, ensuring competitive pricing even in a volatile raw material market.
Email: info@gneestainless.com
Why choose Gnee for 316L and 316LVM stainless steel?
One-stop supply: From industrial-grade 316L to surgical-grade 316LVM, we offer a comprehensive range.
Quality Certification: Complies with ISO 9001, SGS, and ASTM F138 medical standards.
Custom Processing: Precision cutting, polishing, electrolytic polishing, and passivation.
Global Export Experience: Over 18 years of experience supplying Europe, the US, and Asia Pacific.
Fast Delivery: Standard stock available, delivery within 7-15 days.
Packaging and Logistics
Packaging: Vacuum-sealed or in export wooden crates to prevent contamination.
Minimum Order Quantity: 50 kg (sample order) / Bulk order (up to 10 tons)
Delivery Time: 7-15 business days after payment.
Payment Methods: T/T, L/C, PayPal (small trial order)
