MW
Scrool to enroll
ASTM A554

ASTM A554

ASTM A554 is a critical standard issued by the American Society for Testing and Materials, specifying the criteria for welded stainless steel mechanical tubing used in both structural and aesthetic applications. It encompasses tubes made from austenitic and ferritic stainless steel grades, outlining requirements for dimensions, shapes, surface finishes, and the integrity of the weld seam. The standard ensures that the weld seam is as robust as the base metal and maintains uniform metallography, thereby safeguarding the tube's performance and durability. This standard is pivotal for manufacturers, architects, and engineers, ensuring that products conform to stringent quality, reliability, and aesthetic standards.

Available Grades and Chemical Requirements

Available Grades and Chemical Requirements

Grade
Composition, %
C
Mn
P
S
Si
Ni
Cr
Mo
max
max
max
max
Austenitic
201
0.150
8.0-12.0
0.06
0.030
1.00
1.0-2.5
13.0-15.0
304
0.080
2.0 max
0.045
0.030
1.00
8.0-11.0
18.0-20.0
304L
0.035
2.0 max
0.045
0.030
1.00
8.0-13.0
18.0-20.0
316L
0.035
2.0 max
0.045
0.030
1.00
10.0-15.0
16.0-18.0
2.0-3.0
321
0.080
2.0 max
0.040
0.030
1.00
9.0-13.0
17.0-20.0
Ferritic
409L
0.030
1.0 max
0.040
0.020
1.00
0.5 max
10.5-11.7
430
0.120
1.00
0.040
0.030
1.00
0.5 max
16.0-18.0
439
0.030
1.00
0.040
0.030
1.00
0.5 max
17.0-19.0
Austenitic-Ferritic
2205
0.030
2.0 max
0.030
0.020
1.00
4.5-6.5
22.0-23.0
3.0-3.5
2507
0.030
1.2 max
0.035
0.020
0.80
6.0-8.0
24.0-26.0
3.0-5.0

ASTM A554 Mechanical Properties

Mechanical Properties

Grade
Tensile Requirements
Hardness Requirements
Tensile Strength, min
Yield Strength, min
Elongation in 2 in. or (50mm), min
Brinell, max
Rockwell, max
ksi
Mpa
ksi
Mpa
%
304L & 316L
70
483
25
172
35
192
90
All other austenitic
75
517
30
207
35
192
90
409L
55
379
30
207
20
190
90
430
60
414
35
241
20
190
90
All other ferritic
60
414
35
241
20
190
90

Tolerances

Tolerances

ASTM A554 Wall Thickness/Outside Dimention Tolerances
Wall Thickness Tolerances
±10% of specified wall thickness
Round Tubing Outside Dimention Tolerances
OD Size
Wall Thickness
OD,±
mm
mm
mm
Under 12.7
0.51 - 1.24
0.10
12.7 - 25.4
0.51 - 1.65
0.13
12.7 - 25.4
Over 1.65 - 3.40
0.25
Over 25.4 - 38.1,incl
0.64 - 1.65
0.20
Over 25.4 - 38.1,incl
Over 1.65 - 3.40
0.25
Over 38.1 - 50.8,incl
0.64 - 1.24
0.25
Over 38.1 - 50.8,incl
Over 1.24 - 2.11
0.28
Over 38.1 - 50.8,incl
Over 2.11 - 3.78
0.30
Over 50.8 - 63.5,incl
0.81 - 1.65
0.30
Over 50.8 - 63.5,incl
Over 1.65 - 2.77
0.33
Over 50.8 - 63.5,incl
Over 2.77 - 4.19
0.36
Over 63.5 - 88.9,incl
0.81 - 4.19
0.36
Over 63.5 - 88.9,incl
Over 4.19
0.51
Over 88.9 - 127.0,incl
0.89 - 4.19
0.51
Over 88.9 - 127.0,incl
Over 4.19
0.64
Over 127.0 - 190.5,incl
1.24 - 6.35
0.64
Over 127.0 - 190.5,incl
Over 6.35
0.76
Over 190.5 - 406.4,incl
all
0.00125 in./in.or mm/mm of cicumference
Square & Rectangular Outside Dimention Tolerances
Largest Specified OD Across Flats
Wall Thickness
Across fiats, Convexity or Concavity,±
mm
mm
mm
To 31.8,incl
0.38
Over 31.8 - 63.5,incl
0.51
Over 63.5 - 139.7,incl
0.76
Over 139.7 - 203.2,incl
1.52
Square & Rectangular Maximum Radii of Corners Tolerances
Wall Thickness
Radii of Corners, max
mm
mm
Over 0.51 - 1.24,incl
2.4
Over 1.24 - 1.65,incl
3.2
Over 1.65 - 2.11,incl
3.6
Over 2.11 - 2.42,incl
4.8
Over 2.42 - 2.77,incl
5.2
Over 2.77 - 3.40,incl
5.6
Over 3.40 - 3.96,incl
6.4
Over 3.96 - 5.08,incl
9.5
Over 5.08 - 6.35,incl
12.7
Over 6.35 - 9.53,incl
19.1

Relationship Product

Typical Chemical Composition %

Typical Mechanical Properties

ASTM A554 Wall Thickness/Outside Dimention Tolerances

Wall Thickness Tolerances
± 10% of specified wall thickness

APPLICATIONS

Bathroom Hardware
Bathroom Hardware
Stainless steel bathroom hardware is a popular choice for homeowners and businesses seeking durability and style. stainless steel bathroom hardware includes items such as towel bars, robe hooks, toilet paper holders, shower caddies, and soap dispensers. These items are available in various finishes, including brushed stainless steel, polished stainless steel, and mirror stainless steel. Stainless steel bathroom hardware offers durability, style, and ease of maintenance to homeowners and businesses looking for high-quality bathroom accessories. Its resistance to rust and corrosion, as well as its versatility in finishes, make it a popular choice for modern bathrooms.
Read More
Automobile Exhaust pipe
Automobile Exhaust pipe
A stainless steel automobile exhaust pipe is a component of a vehicle's exhaust system that is made from stainless steel material. A stainless steel exhaust pipe offers a number of benefits over other materials, including durability, longevity, and resistance to rust and corrosion.Stainless steel exhaust pipes are commonly used in high-performance vehicles due to their ability to withstand harsh conditions, while also improving the overall performance and efficiency of the engine. They may also be used in aftermarket upgrades for vehicles, allowing drivers to customize their exhaust system for better sound and performance.
Read More
Fitness Equipment
Fitness Equipment
Common types of stainless steel fitness equipment include weight lifting equipment, exercise bikes, and gym machines. These pieces of equipment may be coated in vinyl or other materials for added comfort and grip, but the core of the equipment is typically made from stainless steel.Stainless steel fitness equipment is popular in both home and commercial gyms due to its durability and longevity. It is also easy to clean and maintain, ensuring that it remains in good condition even after years of use.
Read More
Handrail & Railing
Handrail & Railing
Handrails and railings made from stainless steel are highly durable and can withstand harsh weather conditions, making them suitable for both indoor and outdoor use.Stainless steel handrails and railings come in a variety of styles and designs, with options ranging from simple round tubes to more decorative styles with intricate designs. Stainless steel handrails and railings are often used in commercial and public spaces such as hospitals, schools, and airports due to their strength and durability. They are also common in homes and residential buildings, especially in areas prone to high moisture, such as bathrooms or outdoor decks.
Read More
Kitchen Hardware
Kitchen Hardware
Stainless steel kitchen hardware is popular in modern kitchens due to its sleek and contemporary look. It is also known for its durability and resistance to rust and corrosion, making it ideal for use in high-moisture areas such as kitchens. Stainless steel kitchen hardware comes in a range of styles, from classic and simple to more ornate and decorative. Some designs may feature other materials such as wood or glass for added texture and visual interest. Overall, stainless steel kitchen hardware offers a stylish and practical solution for homeowners looking to update their kitchen's look and functionality. Its strength and durability ensure that it can withstand daily wear and tear, while its modern aesthetic adds a touch of sophistication to any kitchen design.
Read More
Stainless Steel Furniture
Stainless Steel Furniture
Stainless steel furniture may include a wide range of pieces such as chairs, tables, benches, and even larger items like beds or sofas. It can be found both indoors and outdoors, and is commonly used in commercial settings like bars and restaurants due to its strength and resistance to wear and tear. The use of stainless steel in furniture design has gained popularity in recent years due to its versatility and modern aesthetic. It can be finished in a variety of ways - from polished to brushed - and can be paired with other materials like glass or wood for added visual interest. Overall, stainless steel furniture is a great choice for those looking for durable, modern pieces that will stand the test of time. Its ability to withstand exposure to harsh elements makes it an ideal choice for outdoor use, while its contemporary look adds a touch of sophistication to any indoor space.
Read More
Get a Quote

ASTM A554 FAQ

Get in touch

Build a Better Together!

Professional Team
Organized and trained team for all departments,
Subscription Form
STAINLESS STEEL

MW METAL
MAKE IT WONDERFUL

crossmenu