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316L Stainless Steel Hex Bar

ASTM F138 & ISO 5832-1 Certified | Ultra-Low Carbon | Ready-to-Ship

The 316L stainless steel hex bar offers ultra-low carbon, corrosion-resistant performance, ASTM F138 and ISO 5832-1 compliance, and a polished surface finish — the same surface quality available in our 316L polished stainless steel sheet in 8K and 10K mirror grades.

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  • Biocompatibility

    Certified through rigorous cytotoxicity and sensitization testing. Trusted for high-stakes applications like orthopedic bone plates and implants.

  • Superior Corrosion Resistance

    2–3% Mo content ensures 2x higher chloride resistance than 304. Prevents oxidation in aggressive sterilization and physiological environments.

  • High Dimensional Precision

    Cold-drawn process delivers an across-flat tolerance of ±0.02 mm, ensuring seamless fit for CNC machining and automated assembly.

Product Specifications

Chemical Composition (GB/T 1220-2007)
Element Content (%)
C ≤0.03
Cr 16.0–18.0
Ni 10.0–14.0
Mo 2.0–3.0
Physical & Mechanical Properties

  • Density: 7.98 g/cm³

  • Melting Point: 1320–1370℃

  • Yield Strength: ≥175 MPa

  • Brinell Hardness: ≤200 HB

  • Chloride Stress Corrosion Resistance: No cracking in 3.5% NaCl solution

Specifications

  • Flat-to-Flat Size: 4–50mm (tolerance ±0.02mm)

  • Length: 3–6m (custom cut ±3mm)

  • Surface Treatment: Electro-polished + passivated

Pricing Calculation

Workshop & Manufacturing Machine

Stainless Steel Bar Inventory Racking System

Spectrometer for Alloy Composition Analysis

Finished Stainless Steel Bars on Storage Racks

Palletized Stainless Steel Bars on Workshop Floor

Secured Stainless Steel Bar Bundles for Shipment

Forklift Loading Bundled Stainless Steel Bars into Freight Truck

Product Applications

Value-Added Services

  • Cut-to-Size Service: Custom lengths available on request

  • Precision Machining: Cold-drawing and CNC machining for exact tolerance control

  • Surface Finishing: Electro-polishing, passivation, grinding upon request

  • Certification: Full mill test reports (MTR), ASTM/ISO compliance documents

Need Custom Dimensions or Bulk Pricing?

Get a factory-direct quote today. Simply let us know your required hex bar dimensions and order quantity, and our team will provide a tailored proposal for your project.

FAQs

What is a stainless steel hex bar used for?
Stainless steel hex bars are widely used for fasteners, connectors, orthopedic implants, and precision machining components due to their excellent machinability and dimensional accuracy.
Why choose 316L stainless steel hex bar over 304?
316L contains 2–3% molybdenum, which provides superior chloride ion corrosion resistance, especially in medical and marine environments.
Can the hex bar be supplied in custom cut lengths?
Yes, we offer cut-to-size stainless steel hex bars with tight tolerances to meet your project requirements.
Does 316L stainless steel hex bar meet medical standards?
Yes, it conforms to ASTM F138 and ISO 5832-1, ensuring it is safe for medical implants and cleanroom equipment.

Need more details on stainless steel products? Feel free to contact Walmay anytime.

Walmay will help match the right stainless product form and specification for your application, confirm quantities and packing needs, and provide requested documents based on order requirements.

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