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ANSI 316L Stainless Steel Round Bar with Grind Finish Surface and Corrosion Resistance in OD 6-630mm

Certification	AISI
Minimum Order Quantity	88 kg
Price	US $2.71-3.31 / kg

Product Details

Model Number	316L	Shape	Round
Technique	Cold Rolled	Surface Treatment	Bright
Diameter Range	8 - 300mm	Length	6m/pcs
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%
Highlight	Corrosion Resistance Stainless Steel Round Bar , Grind Finish Surface 316L Stainless Steel Bar , OD 6-630mm SS Round Bar

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Product Description

ANSI 316 316L Stainless Steel Round Bar

Grind finish surface with excellent corrosion resistance properties.

Product Specifications

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

Stainless Steel Bar Product Range

Product Name	Size Range	Main Grades
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 higher resistance to pitting and crevice corrosion in chloride environments.

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

The austenitic structure provides 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 50mm) min	40
Rockwell B (HR B) max	95
Brinell (HB) max	217

Grade Specification Comparison

Standard	Designation
UNS No	S31603
Old 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 corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and stress corrosion cracking above approximately 60°C.

Resistant to potable water with up to 1000 mg/L chlorides at ambient temperatures, reducing to about 500 mg/L at 60°C.

316 is considered the standard "marine grade stainless steel" but is not resistant to warm seawater. In marine environments, surface corrosion may occur, particularly in crevices and with rough surface finishes.

Heat Resistance

Good oxidation resistance in intermittent service to 870°C and continuous service to 925°C. Continuous use in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important.

Grade 316L offers superior resistance to carbide precipitation and can be used within the above temperature range. Grade 316H provides higher strength at elevated temperatures for structural applications above 500°C.

Heat Treatment

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

Welding

Excellent weldability using all standard fusion and resistance methods, with or without filler metals. Heavy welded sections in Grade 316 require post-weld annealing for maximum corrosion resistance - 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. Recommended practices include low speeds and constant feed rates.

316L offers improved machinability compared to 316 stainless steel due to its lower carbon content.

Hot and Cold Working

Hot working using common techniques with optimal temperatures of 1150-1260°C (minimum 930°C). Post-work annealing recommended for maximum corrosion resistance.

Cold working operations including shearing, drawing, and stamping can be performed. Post-work annealing removes internal stresses.

Hardening and Work Hardening

316L stainless steel does not harden through heat treatments. Hardening occurs through cold working, which can increase strength.

Applications