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316L Stainless Steel Round Bar

Our mill direct production network supplies premium-grade 316L molybdenum-bearing stainless steel round bars engineered specifically for superior pitting corrosion resistance in marine, chloride, and highly acidic chemical environments. We guarantee exact diameter straightness limits and verified low-carbon grain stability backed by our direct 2-Hour Rapid Quote technical protocol.

Tired of waiting days for price quotes while your strict project bidding deadline runs out? Terrified of low-grade rods that crack during high-torque machining, fail localized pitting corrosion site tests, and ruin your career reputation? Secure your mill-verified testing records instantly.

ASTM A276 / EN 10088 / JIS G4303 Marine Grade Austenitic Solid Rod

PRODUCT DETAILS

Austenitic Stainless Steel Round Bar Three-Standard Cross Matrix

American Standard (ASTM A276 / A484)European Standard (EN 10088-3)Japanese / Chinese Equivalent (JIS/GB)Diameter & Condition ScopeGuaranteed PREN Value
Grade 304L (Standard Light)X2CrNi19-11 / 1.4306SUS304L / 02Cr19Ni104mm – 300mm / Cold Drawn, BrightPREN ≥ 18.0
Grade 316L (Molybdenum Marine)X2CrNiMo17-12-2 / 1.4404SUS316L / 02Cr17Ni12Mo2 Precision6mm – 350mm / Solution Annealed h9PREN ≥ 23.5 (Pitting Resistant)
Grade 310S (High-Temp Resistant)X8CrNi25-21 / 1.4845SUS310S / 06Cr25Ni218mm – 250mm / Hot Rolled & TurnedHigh Thermal Scaling Focus

Technical QA/QC Verification

100% PMI Spectrometer Analysis & Low-Carbon Stabilization Audits: SXY Steel Group enforces strict quality control parameters. Every single batch of 316L round bars undergoes 100% Positive Material Identification (PMI) testing to guarantee precise Molybdenum content (minimum 2.0%) and low-carbon limits, suppressing carbide precipitation during welding. Precision centerless ground rods undergo physical micrometer sweeps to ensure absolute outer diameter tolerances.

EN 10204 3.1 Material Test Certificates (MTC) & Intergranular Corrosion Tests: All commercial shipments are released alongside original, traceable MTC records documenting full chemical configurations, tensile mechanics, elongation, and hardness test metrics. Fully formatted to support structural third-party site inspections from SGS, Bureau Veritas, or Intertek.

Sovereign Capital Security Framework: To insulate international engineering contractors and global procurement firms from unexpected cross-border risk and timeline exposure, we authorize all high-volume productions under 100% Irrevocable Letters of Credit (L/C) at sight financial protocols.

Internal Protection & Ocean Logistics

Anti-Scratch Separation Sleeving & Moisture-Proof Shielding: Cold drawn bright or centerless ground finishes are critically protected against metal-to-metal rubbing and ocean humidity. Each 316L rod is sleeved in protective plastic webbing, packed in custom tight bundles, and fully cross-wrapped using heavy-duty waterproof woven layers.

Rigid Cradle Palletization & Timber-Choked Bracing: Finished bars are nested securely inside heavy-duty solid wooden boxes or structured iron support frame chassis to eliminate linear bending during crane loading. The entire lot is heavily braced with continuous steel tension straps and interlocked timber chocks within shipping containers.

Complimentary 14-21 Days Extended Destination Port Demurrage Buffer: SXY Steel Group pre-embeds up to 21 days of extended free container demurrage into your ocean Bill of Lading, protecting your custom clearing brokers from unexpected port side terminal processing penalties.

316L Stainless Steel Round Bar is an austenitic grade of stainless steel that contains a very low carbon content. This alloy provides excellent corrosion resistance to aggressive environments, making it ideal for applications such as process equipment and storage tanks in food processing, chemical, petrochemical, seawater and other industries. It also has superior weldability and formability compared to most other grades of stainless steel. The bar has excellent mechanical properties at both high and low temperatures with a minimum Yield Strength of 170MPa up to 600°C (1110°F). Its chemical composition includes 18%-20% chromium, 10%-14% nickel, and 2%-3% molybdenum, with the addition of nitrogen for improved toughness. 316L Stainless Steel Round Bars are used across various industries, including oil & gas engineering, automotive manufacturing and aerospace.

316L Stainless Steel Bar Specifications

ItemDescription
StandardJIS, AISI, ASTM, GB, DIN, EN, BS
Material316L
SpecificationsRound bar: Diameter 0.1~500mm
Hexagonal bar: Size 2mm~100mm
Flat bar: Thickness 0.3~200mm, Width 1~2500mm
Square bar: Size 1mm*1mm~800mm*800mm
Length2m, 5.8m, 6m, or as required
SurfaceBlack, peeled, polishing, bright, sand blast, hair line, etc.
Price TermEx-work, FOB, CFR, CIF, etc.
Export toSingapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc.
Delivery Time7 to 15 working days
PackageStandard Packaging

 

Use of stainless steel round bar:
1. It is used to manufacture self tapping screws such as bolts and nuts;
2. Used for manufacturing rivets;
3. Used for making spring steel wire and transmission mechanism parts;
4. It can be used for filling and strengthening in welding materials;
5. Main parts and components that can be used to manufacture molded articles;
6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe.
7. It is widely used in petroleum, chemical, food and other industries
8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc.
9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells
10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints
11. Widely used in hardware products factories and machinery manufacturers
12. Widely used in various vehicle parts
13. Wide application and furniture decoration industry
14. Widely used in various mechanical equipment
15. Widely used in various pipelines
16. Widely used in various construction machinery
17. Applied to household appliances
18. Applied to electronic communication equipment

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Packing and shipping

Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.

 

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Application Areas

Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments. ‌

 

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Factory workshop

With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.

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Free Marine Grade Machining Nesting Analysis & High-Pressure Pump/Shaft Drawing Takeoff Audit

Engineering marine equipment, chemical processing pump shafts, subsea valves, or responding to a large-scale global stainless steel procurement tender? Upload your target rod lengths, diameter tolerances, cut schedules, or technical Bill of Materials (BOM) data below. SXY Steel Group’s engineering division will perform a thorough nesting assessment to minimize scrap material loss and protect your production budget.

Instant Lead Incentive: Upload your dimensional schedules or structural specifications right now to unlock immediate download access to our 2026 Global Stainless Steel Market Price Trend Analysis & Seasonal Maritime Freight Discount Matrix.

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