A511/A511M Seamless Stainless Steel Mechanical Tubing
Application:
Mechanical application, which needs corrosion-resistant or high-temperature strength.
Shape:
Round, Rectangle, Sqaure, or special
Grade:
MT 304, MT304L,
MT309, MT309S,
MT 310S,
MT 316, MT316L,
MT317,MT321, MT347
TABLE 1 Chemical Requirements of Austenitic Stainless Steels
|
Grade
|
Composition,%
|
|
Carbon
|
Mangan-ese,max
|
Phosphorus,max
|
Sulfur,max
|
Silicon,max
|
Nickel
|
Chromium
|
|
MT302
|
0.08 to 0.20
|
2.00
|
0.040
|
0.030
|
1.00
|
8.0-10.0
|
17.0-19.0
|
|
MT304
|
0.08max
|
2.00
|
0.040
|
0.030
|
1.00
|
8.0-11.0
|
18.0-20.0
|
|
MT304L
|
0.035max4
|
2.00
|
0.040
|
0.030
|
1.00
|
8.0-13.0
|
18.0-20.0
|
|
MT310S
|
0.08max
|
2.00
|
0.040
|
0.030
|
1.00
|
19.0-22.0
|
24.0-26.0
|
TABLE 2 Chemical Requirements of Ferritic and Martensitic Stainless Steels
|
Grade
|
Composition,%
|
|
Carbon
|
Mangan-ese,max
|
Phosphorus,max
|
Sulfur,max
|
Silicon,max
|
Nickel
|
Chromium
|
|
Martensitic
|
|
MT410
|
0.15
|
1.00
|
0.040
|
0.030
|
1.00
|
0.50max
|
11.5-13.5
|
|
MT416Se
|
0.15
|
1.25
|
0.060
|
0.060
|
1.00
|
0.50max
|
12.0-14.0
|
|
MT413
|
0.20
|
1.00
|
0.040
|
0.030
|
1.00
|
1.25-2.50
|
15.0-17.0
|
|
Ferritic
|
|
MT405
|
0.08
|
1.00
|
0.040
|
0.030
|
1.00
|
0.50max
|
11.5-14.5
|
|
MT429
|
0.12
|
1.00
|
0.040
|
0.030
|
1.00
|
0.50max
|
14.0-16.0
|
|
MT443
|
0.20
|
1.00
|
0.040
|
0.030
|
1.00
|
0.50max
|
18.0-23.0
|
Reference Documents:
ASTM Standards:
ASTM A370 Test Methods and Definition for Mechanical Testing of Steel Products
ASTM A1016/A 1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic
Alloy Steel, and Stainless Steel Tubes
ASTM E59 Practice for Sampling Steel and Iron for Determination of Chemical Composition
