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Hot Rolled Bright Polished 316L Stainless Steel Round Bar for Corrosion Resistance

証明	AISI
最小注文数量	88のkg
価格	US $2.82-3.29 / kg

商品の詳細

型番	316L	形	ラウンド
技術	冷間圧延	表面処理	明るい
仕様	外径6～630mm	生産能力	50000KGS
直径	8～300mm	長さ	6m/pcs
炭素含有量	0.03% 最大	マンガンの内容	最高2.0%
クロムの内容	16.0～18.0%	モリブデン含有量	2.00～3.00%
ニッケル含有量	10.0～14.0%	抗張力	485MPa以上
降伏強さ	170MPa以上
ハイライト	Hot Rolled Stainless Steel Round Bar , Bright Polished 316L Stainless Steel Bar , 316L Grade Bright Steel Bar

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製品の説明

Hot Rolled Bright Polished 316L Stainless Steel Round Bar

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 - 100×40mm	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 - 200×200mm	201, 304, 316L, 310S, 2205, etc.
Stainless Steel Channel Bar	50×25 - 200×100mm	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, making it immune from sensitization (grain boundary carbide precipitation). This makes it extensively used in heavy gauge welded components (over about 6mm). There is typically no appreciable price difference between 316 and 316L stainless steel.

The austenitic structure also gives these grades excellent toughness, even down to 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 many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 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 in 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. Grade 316H has higher strength at elevated temperatures and is sometimes used for structural and pressure-containing applications above about 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 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 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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