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316L Grade Cold Rolled Stainless Steel Round Bar with Bright Surface for Corrosion Resistance

Certification	AISI
Minimum Order Quantity	88 kg
Price	US $2.75-3.35 / kg

Product Details

Material Grade	316L / 1.4404 / AISI316L	Diameter Range	8 - 300mm
Length	6m/pcs Or Custom	Surface Treatment	Bright
Technique	Cold Rolled	Tensile Strength	485 MPa Min
Yield Strength	170 MPa Min	Elongation	40% Min
Hardness Rockwell	HR B 95 Max	Hardness Brinell	HB 217 Max
Carbon Content	0.03% Max	Molybdenum Content	2.00 - 3.00%
Chromium Content	16.0 - 18.0%	Nickel Content	10.0 - 14.0%
Heat Resistance	870°C Intermittent, 925°C Continuous
Highlight	316L Grade Stainless Steel Round Bar , Cold Rolled SS Round Bar , Bright Surface 316L Stainless Steel Bar

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Product Description

316L Stainless Steel Round Bar Supplier

China-based supplier offering 316L stainless steel round bars in diameters from 10-200mm, available from stock.

Product Specifications

Products	Stainless Steel Round Bar
Grade	316L / 1.4404 / AISI316L
Standard	ASTM A276/276M
Diameter	8 - 300mm
Length	6m/pcs or cutting any length as requested
Surface	Black, bright
Other Grades	304, 310S, 316L, 317L, 321, 410, 420, 431, 440A/B/C, 2205, 2507, 630, 631, 904L, etc.
Service	Cutting, polishing, heat treatment

Stainless Steel Bar Products Range

Products Name	Size Range	Mainly Grade
Stainless Steel Round Bar (hot rolled black surface)	8 - 300mm	304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 431, 440A/B/C, 2205, 2507, 904L, 254SMO, 17-4PH, 17-7PH, etc.
Stainless Steel Round Bar (bright polished)	3 - 50mm	201, 304, 316L, 310S, 2205, 630, etc.
Stainless Steel Square Bar	4×4 - 50×50mm	201, 304, 316L, 310S, 410, 420, etc.
Stainless Steel Hexagon Bar	S4-S70	201, 304, 316L, 310S, 410, 420, etc.
Stainless Steel Flat Bar	10×3 - 100×40	304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 431, 440A/B/C, 2205, 2507, 904L, 254SMO, 17-4PH, 17-7PH, etc.
Stainless Steel Angle Bar	30×30 - 200×200	201, 304, 316L, 310S, 2205, etc.
Stainless Steel Channel Bar	50×25 - 200×100	201, 304, 316L, 310S, 2205, etc.

About 316L Stainless Steel

Grade 316 is the standard molybdenum-bearing austenitic stainless steel, second in importance to 304. The molybdenum content provides 316 with superior corrosion resistance compared to Grade 304, particularly offering higher resistance to pitting and crevice corrosion in chloride environments.

Grade 316L is the low carbon version of 316, making it immune from sensitization (grain boundary carbide precipitation). This characteristic makes it extensively used in heavy gauge welded components (over approximately 6mm). There is typically no significant price difference between 316 and 316L stainless steel.

The austenitic structure also provides these grades with excellent toughness, even at cryogenic temperatures.

Chemical Composition of 316L Stainless Steel

Element	Min (%)	Max (%)
C	-	0.03
Mn	-	2.0
Si	-	0.75
P	-	0.045
S	-	0.03
Cr	16.0	18.0
Mo	2.00	3.00
Ni	10.0	14.0
N	-	0.10

Mechanical Properties of 316L Stainless Steel

Property	Value
Tensile Strength (MPa) min	485
Yield Strength 0.2% Proof (MPa) min	170
Elongation (% in 50 mm) min	40
Rockwell B (HR B) max	95
Brinell (HB) max	217

Grade Specification Comparison

Standard	Designation
UNS No	S31603
British BS	316S11
Euronorm No	1.4404
Euronorm Name	X2CrNiMo17-12-2
Swedish SS	2348
Japanese JIS	SUS 316L

Corrosion Resistance

Excellent performance in various atmospheric environments and many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above approximately 60°C. Considered resistant to potable water with up to about 1000 mg/L chlorides at ambient temperatures, reducing to about 500 mg/L at 60°C.

316 is typically regarded as the standard "marine grade stainless steel," though it is not resistant to warm seawater. In many marine environments, 316 may exhibit surface corrosion, usually visible as brown staining, particularly associated with crevices and rough surface finishes.

Heat Resistance

Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 316 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 316L is more resistant to carbide precipitation and can be used in the above temperature range.

Heat Treatment

Solution Treatment (Annealing) - Heat to 1010-1120°C and cool rapidly. These grades cannot be hardened by thermal treatment.

Welding

Excellent weldability by all standard fusion and resistance methods, both with and without filler metals. Heavy welded sections in Grade 316 require post-weld annealing for maximum corrosion resistance. This is not required for 316L. 316L stainless steel is not generally weldable using oxyacetylene welding methods.

Machining

316L stainless steel tends to work harden if machined too quickly. For this reason, low speeds and constant feed rates are recommended. 316L stainless steel is also easier to machine compared to 316 stainless steel due to its lower carbon content.

Hot and Cold Working

316L stainless steel can be hot worked using the most common hot working techniques. Optimal hot working temperatures should be in the range 1150-1260°C, and certainly should not be less than 930°C. Post-work annealing should be carried out to induce maximum corrosion resistance.

Most common cold working operations such as shearing, drawing, and stamping can be performed on 316L stainless steel. Post-work annealing should be carried out to remove internal stresses.

Hardening and Work Hardening

316L stainless steel does not harden in response to heat treatments. It can be hardened by cold working, which can also result in increased strength.

Applications

Food preparation equipment particularly in chloride environments
Pharmaceuticals
Marine applications
Architectural applications
Medical implants, including pins, screws and orthopedic implants like total hip and knee replacements
Fasteners

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