Home ⁄ ASTM A554 Stainless Steel Welded Mechanical Tubing
What is ASTM A554?
ASTM A554 is the standard specification for welded stainless steel mechanical tubing used in structural, ornamental and mechanical applications. ASTM A554 tubing is manufactured from austenitic stainless steel grades and is widely used where excellent corrosion resistance, attractive appearance, strength and durability are required. These tubes are commonly used in architecture, furniture, handrails, transportation equipment and industrial fabrication projects.
Kamal Steels is a leading supplier and exporter of ASTM A554 Stainless Steel Welded Tubing including ASTM A554 TP304 Tubes, ASTM A554 TP304L Tubes, ASTM A554 TP316 Tubes and ASTM A554 TP316L Tubes in round, square, rectangular and custom shapes with polished, brushed and mill finishes for domestic and international applications.
ASTM A554 covers welded stainless steel mechanical tubing manufactured for structural, decorative and mechanical applications. The specification includes requirements for dimensions, tolerances, appearance, mechanical properties and manufacturing processes.
Specification
Details
Standard
ASTM A554
Product Type
Welded Stainless Steel Mechanical Tubes
Tube Shape
Round, Square, Rectangular
Manufacturing
Welded
Grades
MT304, MT304L, MT316, MT316L
Surface Finish
Mill Finish, Polished, Mirror Finish
Length
Up to 6 Meters & Custom Lengths
ASTM A554 Mechanical Tubing
ASTM A554 Mechanical Tubing is designed for applications requiring good strength, dimensional accuracy and corrosion resistance. These tubes are commonly used in machinery, equipment manufacturing, automotive components and engineering structures.
The tubing offers excellent weldability, fabrication characteristics and long service life, making it suitable for various industrial and commercial projects.
ASTM A554 Ornamental Tubing
ASTM A554 Ornamental Tubing is widely used for decorative and architectural applications. The attractive surface finish and corrosion resistance of stainless steel make these tubes ideal for handrails, balustrades, gates, furniture and decorative structures.
Polished and mirror-finished ASTM A554 Tubes are commonly specified in commercial buildings, residential projects and interior design applications.
ASTM A554 Structural Tubing
ASTM A554 Structural Tubes are used in load-bearing and framework applications where strength and durability are essential. These tubes are extensively utilized in construction, transportation systems, industrial equipment and infrastructure projects.
Their excellent corrosion resistance and aesthetic appearance make them a preferred choice over carbon steel in many modern structures.
ASTM A554 Grades
ASTM A554 MT304 Tube
ASTM A554 MT304L Tube
ASTM A554 MT316 Tube
ASTM A554 MT316L Tube
ASTM A554 Tube Types
ASTM A554 Round Tubes
ASTM A554 Square Tubes
ASTM A554 Rectangular Tubes
ASTM A554 Polished Tubes
ASTM A554 Mirror Finish Tubes
ASTM A554 Brushed Finish Tubes
ASTM A554 Chemical Composition
Grade
Carbon (%)
Chromium (%)
Nickel (%)
MT304
0.08 Max
18.0 - 20.0
8.0 - 11.0
MT304L
0.035 Max
18.0 - 20.0
8.0 - 12.0
MT316
0.08 Max
16.0 - 18.0
10.0 - 14.0
MT316L
0.035 Max
16.0 - 18.0
10.0 - 14.0
ASTM A554 Mechanical Properties
Grade
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
MT304
515 Min
205 Min
35 Min
MT304L
485 Min
170 Min
35 Min
MT316
515 Min
205 Min
35 Min
MT316L
485 Min
170 Min
35 Min
ASTM A554 Equivalent Grades
Grade
UNS Number
Werkstoff No.
MT304
S30400
1.4301
MT304L
S30403
1.4307
MT316
S31600
1.4401
MT316L
S31603
1.4404
ASTM A554 Tube Size Chart
Tube Shape
Common Sizes
Round Tube
12.7 mm to 203.2 mm OD
Square Tube
12 mm x 12 mm to 100 mm x 100 mm
Rectangular Tube
20 x 10 mm to 150 x 100 mm
ASTM A554 Applications
Architectural Structures
Handrails & Balustrades
Furniture Manufacturing
Interior Decoration
Automotive Components
Transportation Equipment
Construction Industry
Industrial Frameworks
Commercial Buildings
Infrastructure Projects
ASTM A554 Tube Supplier & Exporter in India
Kamal Steels is a leading ASTM A554 Tube Supplier, Manufacturer and Exporter in India offering stainless steel round tubes, square tubes and rectangular tubes in various grades, finishes and sizes. We maintain ready stock and provide customized solutions for architectural, industrial and commercial applications.
Why Choose Kamal Steels?
Trusted Stainless Steel Tube Supplier
Ready Stock Availability
Competitive Pricing
Custom Sizes & Finishes
Mirror & Polished Tubes Available
Worldwide Export Supply
Fast Delivery
Quality Assurance & Documentation
Frequently Asked Questions
ASTM A554 is the standard specification for welded stainless steel mechanical tubing used in structural, ornamental and mechanical applications.
ASTM A554 Tubing is commonly used in handrails, furniture, architectural structures, construction projects and industrial frameworks.
ASTM A554 is primarily intended for mechanical, ornamental and structural applications rather than pressure piping systems.
Common grades include MT304, MT304L, MT316 and MT316L stainless steel tubing.
ASTM A554 Tubes are available in round, square, rectangular and custom profiles.
Mill finish, polished finish, brushed finish and mirror finish stainless steel tubes are commonly available.
Yes, ASTM A554 Stainless Steel Tubes provide excellent corrosion resistance and durability for indoor and outdoor applications.
Kamal Steels offers high-quality ASTM A554 Tubes with ready stock, competitive pricing, multiple finishes and worldwide export support.