ASTM/ASME A554 Specification for:
Welded Stainless Steel Mechanical Tubing. This specification covers welded stainless steel tubing
for mechanical applications where appearance, mechanical properties, or corrosion resistance is needed.
This specification covers as-welded or cold-reduced mechanical tubing in sizes to 16 in. (406.4 mm) outside dimension, and in wall thicknesses 0.020 in. (0.51 mm) and over.
Tubes shall be furnished in one of the following shapes as specified by the purchaser: round, square, rectangular, or special.
ASTM A554 Stainless Steel Welded Tube Chemical Composition:
|
Chemical Composition, Weight % |
||||||||
|
Grade |
Carbon |
Mn |
P |
S |
Si, max |
Ni |
Cr |
Mo |
|
MT 302 |
0.08-0.20 |
2 |
0.04 |
0.03 |
1 |
8.0–10.0 |
17.0–19.0 |
... |
|
MT 303 |
0.15 max |
2 |
0.2 |
0.15 min |
1 |
8.0–10.0 |
17.0–19.0 |
... |
|
MT 303Se |
0.15 max |
2 |
0.04 |
0.04 |
1 |
8.0–11.0 |
17.0–19.0 |
... |
|
MT 304 |
0.08 max |
2 |
0.04 |
0.03 |
1 |
8.0–11.0 |
18.0–20.0 |
... |
|
MT 304L |
0.035 max |
2 |
0.04 |
0.03 |
1 |
8.0–13.0 |
18.0–20.0 |
... |
|
MT 305 |
0.12 |
2 |
0.04 |
0.03 |
1 |
10.0–13.0 |
17.0–19.0 |
... |
|
MT 309S |
0.08 max |
2 |
0.04 |
0.03 |
1 |
12.0–15.0 |
22.0–24.0 |
... |
|
MT 310S |
0.08 max |
2 |
0.04 |
0.03 |
1 |
19.0–22.0 |
24.0–26.0 |
... |
|
MT 316 |
0.08 max |
2 |
0.04 |
0.03 |
1 |
11.0–14.0 |
16.0–18.0 |
2.0–3.0 |
|
MT 316L |
0.035 max |
2 |
0.04 |
0.03 |
1 |
10.0–15.0 |
16.0–18.0 |
2.0–3.0 |
|
MT 317 |
0.08 max |
2 |
0.04 |
0.03 |
1 |
11.0–14.0 |
18.0–20.0 |
3.0–4.0 |
|
MT 321 |
0.08 max |
2 |
0.04 |
0.03 |
1 |
9.0–13.0 |
17.0–20.0 |
... |
|
MT 347 |
0.08 max |
2 |
0.04 |
0.03 |
1 |
9.0–13.0 |
17.0–20.0 |
... |
ASTM A554 Stainless Steel Welded Tube Description:
|
Out Diameter(OD): |
1/2’’-1 1/2”-2 1/2”-3”-10”- 16’’, 12.7mm--38.1-50.8-127-406.4mm. |
|
Wall Thickness(W.T.): |
0.02”-0.049”-0.165”-0.25”, 0.5mm to 20mm. |
|
Length(L): |
Fixed 6 meters, or other Length as Specified. |
|
End: |
Plain End, Bevel End. |
|
Delivery Condition: |
Annealed and Pickled, Bright Annealed, Polished(400#,600#). |
|
Inspection: |
100% PMI, Hydrostatic Test, Eddy Current, Ultrasonic, X-Ray, Penetrant Test. |
|
Mechanical Test: |
Tension Test, Flattening Test, Flaring Test, Hardness Test, Impact Test. |
|
Tolerance: |
According to the Production Standard. |
|
Packing: |
By Bundles, Plywood Cases. |
|
Marking: |
YASE PIPELINE, Material Grade, Standard, Specification, Heat No., Lot No. |
|
Mill Test Certificate: |
According to EN 10204 3.2 |
|
Production Time: |
2-30 Days, or up to the quantity. |
|
Shipping: |
By Sea, By Air, By Express. |
|
MOQ: |
500KGS. |
|
Sample: |
Free samples but freight charge paid by customer. |
|
Customized: |
Available. |
YASE PIPELINE Manufacturing ASTM A554 Welded Tube Products:
Mechanical Stainless Steel Welded Tube
Stainless Steel Hollow Section Tube
Round Stainless Steel Welded Tube
Square Stainless Steel Welded Tube
Rectangular Stainless Steel Welded Tube
Austenitic Stainless Steel Welded Tube
ASTM A554 Stainless Steel Welded Tube Mechanical Property:
|
Grade |
Tensile strength, min, ksi (MPa) |
Yield strength, min, ksi (MPa) |
Elongation in 2 in.
or 50mm, min, %
|
|
All austenitic steel |
75 (515) |
30 (210) |
35 |
|
MT403 |
60 (415) |
30 (210) |
20 |
|
MT405 |
60 (415) |
30 (210) |
20 |
|
MT410 |
60 (415) |
30 (210) |
20 |
|
MT414 |
100(690) |
65 (450) |
15 |
|
MT416Se |
60 (415) |
35(240) |
20 |
|
MT429/MT430 |
60 (415) |
35(240) |
20 |
|
MT431 |
105(725) |
90(620) |
20 |
|
MT440A |
95(655) |
55(380) |
15 |
|
MT443 |
70 (485) |
40 (275) |
20 |
|
MT446-1 |
70 (485) |
40 (275) |
18 |
|
MT446-2 |
65(450) |
40 (275) |
20 |
ASTM A554 Round Stainless Steel Welded Tube Dimensions Tolerance :
|
OD Size |
Wall Thickness |
OD |
|
Inches |
± Inches |
|
|
Under 1/2 |
0.020 to 0.049 |
0.004 |
|
1/2 to 1 |
0.020 to0.065 |
0.005 |
|
1/2 to 1 |
over 0.065 to 0.134 |
0.01 |
|
Over 1 to 1-1/2 |
0.025 to 0.065 |
0.008 |
|
Over 1 to 1-1/2 |
over 0.065 to 0.134 |
0.01 |
|
Over 1-1/2 to 2 |
0.025 to 0.049 |
0.01 |
|
Over 1-1/2 to 2 |
over 0.049 to 0.083 |
0.011 |
|
Over 1-1/2 to 2 |
over 0.083 to 0.149 |
0.012 |
|
Over 2 to 2-1/2 |
0.032 to 0.065 |
0.012 |
|
Over 2 to 2-1/2 |
over 0.065 to 0.109 |
0.013 |
|
Over 2 to 2-1/2 |
over 0.109 to 0.165 |
0.014 |
|
Over 2-1/2 to 3-1/2 |
0.032 to 0.165 |
0.014 |
|
Over 2-1/2 to 3-1/2 |
over 0.165 |
0.02 |
|
Over 3-1/2 to 5 |
0.035 to 0.165 |
0.02 |
|
Over 3-1/2 to 5 |
over 0.165 |
0.025 |
|
Over 5 to 7-1/2 |
0.049 to 0.250 |
0.025 |
|
Over 5 to 7-1/2 |
over 0.250 |
0.03 |
|
Over 7-1/2 to 16 |
all |
0.00125 In/In of Circumference |
ASTM A554 Square & Rectangular Welded Tube Tolerance:
|
Outside Dimension, |
Wall Thickness, |
OD |
|
Inches |
Inches |
± Inches |
|
To 1-1/4 |
all |
0.015 |
|
Over 1-1/4 to 2 |
all |
0.02 |
|
Over 2-1/2 to 5 |
all |
0.03 |
|
Over 5-1/2 |
all |
0.06 |
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