316 Stainless Steel Coil

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316 Stainless Steel Coil
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316 stainless steel coils are coil products made from molybdenum-containing austenitic stainless steel as the base material. They are mainly used for equipment, structural components, and subsequent deep-processed sheet materials that come into contact with chlorine-containing or weakly corrosive media.
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Stainless Steel Coil
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Description

Introduction

 

316 stainless steel coils are coil products made from molybdenum-containing austenitic stainless steel as the base material. They are mainly used for equipment, structural components, and subsequent deep-processed sheet materials that come into contact with chlorine-containing or weakly corrosive media.

 

Specification

 

Parameter

Details

Grade

316 Stainless Steel (SS 316 Coil)

Standards

ASTM A240 / AISI 316 / JIS SUS316 / EN 1.4401

Surface Finish

2B, BA, No.1, No.4, HL, Mirror

Thickness Range

0.3 mm – 12 mm (customizable)

Width Range

600 mm – 2000 mm

Length / Coil ID

As required (coil ID: 508 mm / 610 mm standard)

Tensile Strength

520 – 750 MPa

Yield Strength

≥ 205 MPa

Elongation

≥ 40%

Hardness

≤ 160 HB

Element

Content (%)

C

≤ 0.08

Mn

≤ 2.0

Si

≤ 1.0

P

≤ 0.045

S

≤ 0.03

Cr

16.0 – 18.0

Ni

10.0 – 14.0

Mo

2.0 – 3.0

Fe

Balance

 

Features

 

Suitable for chloride-containing environments

Contains 2.0–3.0% Mo, forming a denser passivation film on the material surface to reduce the risk of pitting and crevice corrosion caused by chloride ions.

 

Suitable for cold working and forming

Elongation ≥40%, allowing for significant plastic deformation during leveling, bending, and stamping, suitable for downstream processing of coil materials.

 

Supply for continuous processing

Supplied in coil form, width 600–2000 mm, thickness 0.3–12 mm, suitable for continuous production with leveling, slitting, and other processes.

 

Multiple surface finish options

Offers 2B, BA, No.1, No.4, HL, and mirror finishes to meet different roughness and appearance requirements, facilitating subsequent processing or direct use.

 

Applications

 

Chemical and Storage Industry: Used for the outer shells of storage tanks, pipelines, and equipment, serving as structural and cladding materials when in contact with salty or mildly corrosive media.

 

Food and Pharmaceutical Industry: Used in processing equipment, containers, and conveying components, serving as a material matrix in cleaning and water-contact environments.

 

Marine and Coastal Engineering: Used for structural panels near seawater or salt spray environments, slitting or leveling for equipment or component manufacturing.

 

Construction and Decoration Industry: Used for curtain walls, decorative panels, and functional panels, meeting aesthetic requirements while withstanding general corrosive environments.

 

Machinery and Equipment Manufacturing Industry: Used for outer shells, protective plates, and structural panels, forming various equipment components through blanking and processing.

 

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FAQ

Q: What are the key differences between 316 and 304 stainless steel coils in terms of selection?

A: When the environment contains chloride ions (such as salt water, cleaning agents, or coastal environments), 316 should be preferred because its molybdenum content provides higher resistance to pitting corrosion than 304.

Q: What key parameters need to be confirmed when purchasing coils?

A: Thickness, width, inner diameter of the coil (commonly 508 mm or 610 mm), surface condition, and whether slitting or leveling is required should be clearly defined to ensure compatibility with processing equipment.

Q: How to reduce surface problems during use?

A: Scratches or residual iron filings should be avoided during processing, and the surface should be kept clean before use to reduce the possibility of localized corrosion or contamination.

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