ASTM A269 TP316L Stainless Steel Bright Annealed Tube Polish Finishing 320 Grit

Product Description:

ASTM A269 / ASME SA269 TP316L Bright Annealed Stainless Steel Tube Polish Finishing

The tubing specified in ASTM A269 can be produced through either the seamless or welded process. The common surface finishes include annealed, pickled, or bright annealed. SS304 and SS316 are the two most common stainless steel grades used for stainless steel tubing system. Stainless steel offers several benefits, including excellent resistance to corrosion, easy cleaning, minimal maintenance needs, and affordability. While the initial cost of stainless steel might be higher compared to other metals, stainless steel tubing provides cost advantages in terms of lower maintenance and replacement expenses.

Polished stainless steel tubes offer several advantages:

1. Aesthetic appeal: Polishing gives stainless steel tubes a shiny and elegant appearance, making them visually appealing and suitable for various applications.

2. Corrosion resistance: Stainless steel itself is known for its excellent corrosion resistance, and polishing further enhances its ability to withstand corrosion, rust, and stains, making it suitable for use in harsh environments.

3. Easy to clean: The smooth surface of polished stainless steel tubes is easy to clean, making them low maintenance and ideal for applications that require sterile conditions, such as in the medical or food industries.

4. Durability: Stainless steel, in general, is a durable material, and polishing adds an extra layer of protection against scratches and wear, extending the lifespan of the tubes.

5. Versatility: Polished stainless steel tubes are versatile and can be used in various industries, including architecture, automotive, manufacturing, and more.

Stainless Steel Polished Grits

120 grit
180 grit
320 grit
400 grit
600 grit
800 grit

Other Finishing processes:

BA: Bright Annealing

MP: Mechanical polishing

BA: Bright Annealing

EP: Electro Polishing

Equivalent Grades of Stainless Steel 316L Tubes

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 316L	1.4404 / 1.4435	S31603	SUS 316L	316S11 / 316S13	03Ch17N14M3 / 03Ch17N14M2	Z3CND17‐11‐02 / Z3CND18‐14‐03	X2CrNiMo17-12-2 / X2CrNiMo18-14-3

Chemical Composition of Stainless Steel 316L Tubes

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Fe
SS 316L	0.035 max	2.0 max	1.0 max	0.045 max	0.030 max	16.00 - 18.00	2.00 - 3.00	10.00 - 14.00	68.89 min

Mechanical Properties of Stainless Steel 316L Tubes

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1399 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Physical Properties of Stainless Steel 316L Tubes

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	At 100°C	At 500°C
316/L/H	8000	193	15.9	16.2	17.5	16.3	21.5	500	740

Applications
Food preparation equipment particularly in:
1. chloride environments
2. Fasteners
3. Pharmaceuticals
4. Marine applications
5. Architectural applications
6. Medical implants which comprise pins, screws and orthopedic implants like total hip and knee replacements.

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