A511/A511M Seamless Stainless Steel Mechanical Tubing
Shape:Round, Rectangle, Sqaure, or special
Application: Mechanical application, which needs corrosion-resistant or high-temperature strength.
Grade:300series
MT 304, MT304L,
MT309, MT309S,
MT 310S,
MT 316, MT316L,
MT317,MT321, MT347
Charicterial : Good strength and corrosion resistance.
Deliver condition of stainless steel Mechanical tubing:
Annealed and pickled
Bright Annealing
Polishing
Cutting length
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
ASTM A213 Seamless boiler tubes with material 300 series stainless steel
ASTM A269 Welded stainless steel tubing
A554 ornamental tube
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A511/A511M MT 304, MT304L, MT309, MT309S Seamless Stainless Steel Mechanical Tubing Images
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