Name: 316 Stainless Steel Coil
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316 Stainless Steel Coil

316 stainless steel coil is a premium austenitic chromium-nickel stainless steel supplied in continuous coil form. The key characteristic is the addition of molybdenum (2-3%), which significantly enhances its corrosion resistance, particularly against chlorides and other industrial chemicals. This makes it suitable for more aggressive environments where superior performance is required.

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◉ PRODUCT SPECIFICATION

1. Standard Designations

UNS: S31600
ASTM: A240/A240M
EURONORM: 1.4401
JIS: SUS 316
GB/T: 06Cr17Ni12Mo2

2. Chemical Composition (% by weight)

Element	C	Si	Mn	P	S	Cr	Ni	Mo
Min	-	-	-	-	-	16.0	10.0	2.0
Max	0.07	0.75	2.00	0.045	0.030	18.0	14.0	3.0

3. Mechanical Properties (Annealed Condition)

Property	Yield Strength	Tensile Strength	Elongation	Hardness
Value	≥205 MPa	≥515 MPa	≥40%	≤217 HB

4. Corrosion Resistance

PREN Value: 24-26
Chloride Resistance: Excellent resistance to pitting and crevice corrosion
General Corrosion: Superior resistance to acids, alkalis and chemicals
Marine Environment: Good performance in saltwater atmospheres

5. Physical Properties

Property	Value
Density	8.0 g/cm³
Melting Range	1375-1400°C
Thermal Conductivity	16.3 W/m·K (100°C)
Thermal Expansion	16.0 × 10⁻⁶/K (20-100°C)
Modulus of Elasticity	193 GPa

6. Available Product Range (Coil)

Parameter	Specification
Thickness	0.3mm - 6.0mm
Width	600mm - 2000mm
Coil ID	508mm / 610mm
Coil OD	1000mm - 1500mm
Temper	Annealed, 1/4H, 1/2H, 3/4H, Full Hard

7. Surface Finishes

2B: Standard smooth matte finish (most common)
BA: Bright annealed mirror finish
No. 4: Brushed/satin finish
2D: Dull matte finish
No. 8: Mirror polish

8. Typical Applications

Chemical processing equipment
Marine and coastal architecture
Pharmaceutical manufacturing
Food processing equipment
Heat exchangers and condensers
Medical instruments
Chemical transportation

◉ Surfcae selection

SURFACE	CHARACTERISTIC	SUMMARY OF MANUFACTURING METHOD	APPLICATION
NO.1	Silvery white	Hot rolled to specified thickness	Do not need to have a glossy surface use
NO.1	lackluster	Hot rolled to specified thickness	Do not need to have a glossy surface use
NO.2D	Silvery white	After cold rolling, heat treatment and pickling are carried out	General material, deep material
NO.2B	Gloss is stronger than No.2D	After No.2D treatment, the final light cold rolling is carried out through the polishing roller	The general material
BA	As bright as a sixpence	No standard, but usually a bright annealed surface with high reflectivity.	Building materials, kitchen utensils
NO.3	Rough lapping	Grind with 100~200# (unit) strop tape	Building materials, kitchen utensils
NO.4	Intermediate grinding	Polished surface obtained by grinding with 150~180# strop abrasive tape	Building materials, kitchen utensils
NO.240	Fine lapping	Grinding with 240# strop abrasive tape	kitchenware
NO.320	Very fine grinding	Grinding was carried out with 320# strop abrasive tape	kitchenware
NO.400	The luster is close to BA	Use 400# polishing wheel to grind	General timber, building timber, kitchen appliances
HL	Hairline grinding	Suitable particle material for hair stripe grinding (150~240#) with many grains	Building, construction material
NO.7	It's close to mirror grinding	Use a 600# rotary polishing wheel to grind	For art or decoration
NO.8	Mirror ultrafinish	The mirror is ground with a polishing wheel	Reflector, for decoration