ASTM A269 is the standard specification for seamless and welded austenitic stainless steel tubing intended for general corrosion-resisting and low or high-temperature service applications. ASTM A269 Stainless Steel Tubes are widely used in instrumentation systems, hydraulic lines, chemical processing, food processing, pharmaceutical plants, oil and gas facilities and heat exchanger applications due to their excellent corrosion resistance, durability and dimensional accuracy.
Kamal Steels is a leading supplier and exporter of ASTM A269 Stainless Steel Tubes including ASTM A269 TP304 Tubes, ASTM A269 TP304L Tubes, ASTM A269 TP316 Tubes, ASTM A269 TP316L Tubes, ASTM A269 TP321 Tubes and ASTM A269 TP347 Tubes in various sizes, wall thicknesses and finishes for industrial applications worldwide.
ASTM A269 covers seamless and welded austenitic stainless steel tubing intended for general corrosion-resistant and low or high-temperature service applications. The specification is widely used where clean internal surfaces, dimensional accuracy and corrosion resistance are critical.
Kamal Steels supplies ASTM A269 TP304 Tubes, ASTM A269 TP304L Tubes, ASTM A269 TP316 Tubes, ASTM A269 TP316L Tubes, ASTM A269 TP321 Tubes and other stainless steel tubing grades in various sizes and wall thicknesses.
Specification
Details
Standard
ASTM A269 / ASME SA269
Tube Type
Seamless & Welded Tubes
Outside Diameter
6 mm to 101.6 mm
Wall Thickness
0.5 mm to 12 mm
Length
Random, Cut Length & Coil Form
End Type
Plain End
Features of ASTM A269 Stainless Steel Tubes
ASTM A269 Tubes are manufactured to provide superior corrosion resistance, smooth surface finish and precise dimensional tolerances. These characteristics make them suitable for instrumentation, hydraulic and process tubing applications.
Excellent Corrosion Resistance
Smooth Surface Finish
High Dimensional Accuracy
Excellent Formability
Good Weldability
Leak-Free Performance
Long Service Life
Low Maintenance Requirements
Popular ASTM A269 Tube Grades
ASTM A269 TP304 Tube
ASTM A269 TP304L Tube
ASTM A269 TP316 Tube
ASTM A269 TP316L Tube
ASTM A269 TP321 Tube
ASTM A269 TP347 Tube
ASTM A269 TP310S Tube
ASTM A269 Tube Applications
ASTM A269 Stainless Steel Tubes are widely used in industries requiring reliable corrosion-resistant tubing systems and precision fluid transfer.
Instrumentation Systems
Hydraulic Lines
Pneumatic Systems
Chemical Processing Plants
Food Processing Industry
Pharmaceutical Industry
Water Treatment Plants
Dairy Processing Equipment
Oil and Gas Industry
Process Control Systems
ASTM A269 Instrumentation Tubing
ASTM A269 Instrumentation Tubes are commonly used in control panels, analytical instruments, pressure gauges, hydraulic systems and process instrumentation where dimensional accuracy and corrosion resistance are essential.
These tubes are widely preferred for critical applications because of their smooth bore, leak-free performance and compatibility with various fittings and connectors.
ASTM A269 Tube Supplier and Exporter in India
Kamal Steels is a trusted ASTM A269 Stainless Steel Tube Supplier, Stockist and Exporter in India. We maintain ready stock of ASTM A269 TP304, TP304L, TP316 and TP316L Tubes for immediate delivery across domestic and international markets.
All ASTM A269 tubes are supplied with Mill Test Certificates (MTC), EN 10204 3.1 certification and third-party inspection support as per project requirements.
ASTM A269 Chemical Composition
Grade
Carbon (%)
Chromium (%)
Nickel (%)
TP304
0.08 Max
18.0 - 20.0
8.0 - 11.0
TP304L
0.035 Max
18.0 - 20.0
8.0 - 12.0
TP316
0.08 Max
16.0 - 18.0
10.0 - 14.0
TP316L
0.035 Max
16.0 - 18.0
10.0 - 14.0
ASTM A269 Mechanical Properties
Grade
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
TP304
515 Min
205 Min
35 Min
TP304L
485 Min
170 Min
35 Min
TP316
515 Min
205 Min
35 Min
TP316L
485 Min
170 Min
35 Min
ASTM A269 Tube Dimensions
Outside Diameter
Wall Thickness
6.35 mm
0.89 mm - 1.65 mm
12.7 mm
1.0 mm - 2.0 mm
19.05 mm
1.2 mm - 3.0 mm
25.4 mm
1.5 mm - 4.0 mm
38.1 mm
1.5 mm - 5.0 mm
50.8 mm
2.0 mm - 6.0 mm
ASTM A269 Testing Requirements
Hydrostatic Test
Air Underwater Test
Flattening Test
Reverse Flattening Test
Hardness Test
Chemical Analysis
Mechanical Testing
Visual Inspection
Dimensional Inspection
Why Choose Kamal Steels?
Leading Stainless Steel Tube Supplier in India
Ready Stock Availability
Competitive Pricing
Mill Test Certificates (MTC)
Third-Party Inspection Support
Worldwide Export Supply
Fast Delivery and Logistics Support
Technical Assistance for Industrial Projects
Frequently Asked Questions
ASTM A269 is used for seamless and welded stainless steel tubing in instrumentation systems, hydraulic lines, pneumatic systems, process piping and general corrosion-resistant applications.
ASTM A269 is intended for general service and instrumentation tubing, while ASTM A213 is specifically designed for boiler, superheater and heat exchanger tube applications operating at elevated temperatures.
Common ASTM A269 grades include TP304, TP304L, TP316, TP316L, TP321, TP347 and TP310S stainless steel tubing for various industrial applications.
Yes, ASTM A269 covers both seamless and welded stainless steel tubing depending on application requirements, pressure conditions and project specifications.
ASTM A269 tubes offer excellent dimensional accuracy, smooth surface finish, corrosion resistance and leak-free performance, making them ideal for instrumentation and control systems.
ASTM A269 tubes are widely used in chemical processing, pharmaceuticals, food processing, water treatment, oil and gas, instrumentation, hydraulic systems and process control industries.
ASTM A269 tubes are available in a wide range of outside diameters, wall thicknesses and lengths, typically from 6 mm to 101.6 mm OD depending on customer requirements.
ASTM A269 tubes undergo hydrostatic testing, flattening tests, hardness testing, chemical analysis, mechanical testing and dimensional inspection to ensure product quality and compliance.
