Name: ASTM A269 TP316L Polished Stainless Steel Welded Tube Welded Austenitic Steel Tubing
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A269 TP316L Stainless Steel Welded Tube
Price: 100000.00 USD
Availability: InStock

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ASTM A269 TP316L Polished Stainless Steel Welded Tube Welded Austenitic Steel Tubing

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASTM A269 TP316L Stainless Steel Welded Tube

Payment & Shipping Terms:

Minimum Order Quantity:	500KGS
Packaging Details:	Ply-wooden Case/ Bundle with plastic Cap
Delivery Time:	7 DAYS
Payment Terms:	L/C,T/T

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Detailed Product Description

Product Name:	Stainless Steel Welded Tube	Standard:	ASTM A269， ASME SA269
Material:	TP304/304L/304H, TP310S/310H, TP316L/316H/316Ti ,TP317/317L , TP321/321H, TP347/347H 904L	OD:	1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", Etc.
Length:	Single Random, Double Random & Cut Length	End:	Plain End, Beveled End
Type:	Seamless, Welded	Surface:	Polished, Pickled, Bright Annealed
Application:	Heating, Cooling, Instrumentation, Food Processing Machine,
Highlight:	Welded Austenitic Steel Tubing , Polished Stainless Steel Welded Tube , ASTM A269 TP316L Welded Tube

ASTM A269 / ASME SA269 TP316L Polished Austenitic Stainless Steel Welded Tube

ASTM A269 specifies the requirements for seamless and welded austenitic stainless steel 304/ 304L/ 316L/ ... / 317/ 321/ 347 tubing intended for general corrosive service, which commonly used in piping and plumbing applications.

Tube Manufacturing & Process:

Welded Construction: Formed from flat-rolled stainless steel strip/sheet, longitudinally welded (TIG, laser, or plasma welding).
Polished Finish: Surface is mechanically polished (e.g., #4 brushed, mirror, or electropolished) to improve:
- Hygiene: Reduces bacterial adhesion (critical for food, pharma, and medical applications).
- Aesthetics: Smooth, reflective appearance.
- Corrosion Resistance: Minimizes surface defects that could trap contaminants.

Equivalent Grades of ASTM A269 TP316L Polished Stainless Steel Welded Tube

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 ASTM A269 TP316L Polished Stainless Steel Welded Tube

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

Physical Properties of ASTM A269 TP316L Polished Stainless Steel Welded Tube

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

Comparison with Other Standards

1. ASTM A312

Purpose: Similar to ASTM A269, ASTM A312 covers both seamless and welded austenitic stainless steel pipes but is specifically intended for high-pressure applications.

Grades: Includes similar grades as A269 but also specifies additional requirements for pressure applications.

Usage: A312 is generally used in situations requiring higher mechanical strength and pressure ratings.

2. ASTM A511

Purpose: While ASTM A269 is primarily for tubing in various services, ASTM A511 is focused on seamless stainless steel tubing for mechanical applications.

Differences: A511 typically includes stricter mechanical properties and dimensions since it's intended for specific mechanical applications.

3. ASTM A554

Purpose: This specification is for welded stainless steel tubing intended for mechanical and structural applications, with a strong emphasis on aesthetic appearance.

Grades: Generally covers lower grades of stainless steel than those in A269 and is often used in decorative applications like railings and furniture.

4. ASTM A249

Purpose: Focused on stainless steel tubing for heat exchangers, condenser, and similar applications.

Standards: A249 places more emphasis on mechanical properties, weld performance, and achieving a suitable surface finish for heat transfer applications.

Applications

Pharmaceutical/Biotech: Clean-in-place (CIP) systems, process piping.
Food & Beverage: Sanitary tubing, dairy processing.
Chemical Processing: Acid/caustic fluid transfer.
Marine/Coastal: Saltwater-exposed components.
Medical Devices: Implants, surgical instruments (post-processing may be required).