316L Stainless Steel Coil
The 316L stainless steel coil is a low-carbon version of the 316 stainless steel coil. Its carbon content is strictly controlled below 0.03%. This "L" (Low Carbon) improvement makes it significantly superior to the standard 316 stainless steel coil in terms of welding performance and intergranular corrosion resistance, and is particularly suitable for welding structures that cannot undergo heat treatment after welding.
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Product Introduction

316L Stainless Steel Coil represents the ultimate in corrosion-resistant austenitic stainless steel, combining the molybdenum-enhanced protection of 316 grade with the low-carbon advantage of "L" grades. With a maximum carbon content of 0.03%, this premium alloy delivers exceptional resistance to sensitization during welding and high-temperature exposure, while its 2-3% molybdenum content provides superior defense against chlorides, acids, and pitting corrosion. This dual advantage makes 316L the material of choice for the most demanding applications where welding integrity and maximum corrosion resistance are non-negotiable.

Supplied in continuous coil form for manufacturing efficiency, 316L stainless steel offers unparalleled performance in aggressive environments including marine, chemical processing, and pharmaceutical applications. Its low carbon content ensures that welded structures maintain their full corrosion resistance without the need for post-weld heat treatment, while the molybdenum addition extends service life in chloride-rich environments where other materials would rapidly deteriorate. This combination of properties has established 316L as the benchmark material for critical infrastructure, medical devices, and offshore applications worldwide.

Product parameters


Item / ParameterSpecification for 316L Coil (UNS S31603)Notes / Significance
Key FeatureThe Ultimate Dual-Protection Alloy. Combines molybdenum-enhanced corrosion resistance with low-carbon weldability for maximum performance in critical applications.The gold standard for demanding environments requiring both welding and extreme corrosion resistance.
Common DesignationsUNS S31603, AISI 316L, EN 1.4404, X2CrNiMo17-12-2, JIS SUS316LEN 1.4404 is the key European low-carbon molybdenum grade designation.
Chemical Composition (Typical wt.%)C: ≤ 0.030
Cr: 16.5 - 18.5
Ni: 10.0 - 13.0
Mo: 2.0 - 3.0
Mn: ≤ 2.00
Si: ≤ 1.00
The critical combination: ≤0.03% Carbon + 2-3% Molybdenum
Mechanical Properties (Annealed)Tensile Strength (Rm): ≥ 485 - 620 MPa
Yield Strength (Rp0.2): ≥ 170 - 310 MPa
Elongation (A): ≥ 40%
Hardness (HB): ≤ 217
Excellent ductility with slightly lower yield strength than standard 316.
Physical PropertiesDensity: 7.98 g/cm³
Melting Range: 1375 - 1400 °C
Slightly denser than 304/304L grades due to molybdenum content.
Key Standards (Coil)ASTM A240 (Material Specification)
ASTM A480/A480M (General Requirements)
EN 10088-2
ASME SA-240
Meets both material and pressure vessel code requirements.
Common Applications (from Coil)• Marine & Offshore: Hull components, seawater piping, desalination plants
• Chemical Processing: Reactors, heat exchangers, acid storage tanks
• Pharmaceutical: Bioreactors, purification systems, sterile piping
• Medical Implants: Surgical instruments, orthopedic devices (after further processing)
• Food Processing: Equipment for high-salt or acidic food production
• Pollution Control: Flue gas desulfurization systems, scrubbers
Essential where both weld integrity and maximum corrosion resistance are critical.

Surface selection

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Packaging and transportation

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FACTORY SHOW

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FAQ

Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
accept the third party inspection absolutely. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

Q:What is your terms of payment ?
A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

Q:How do we trust your company? 
A:We are a specialized company focusing on global steel trading and supply chain services. Our mission is to provide high-quality, multi-specification, and one-stop steel products and solutions to customers worldwide.

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