ASTM A511/A511M Seamless Stainless Steel Mechanical Tubing
Product Description
Type: Stainless Steel Pipes Grade: 300 Series Shape: Round Origin: China Standard: ASTM, AISI Certification: ISO, SGS, AISI, ASTM Technique: Hot Rolled ASTM A511/A511M Seamless Stainless Steel Mechanical Tubing
Standard: ASTM A511/A511M
Steel Grade: MT302, MT303, MT304, MT316, MT321, MT347 etc;
Application: used as mechanical tubing
Chemical Composition of Austenitic Stainless Steel: %
Chemical Composition of Ferritic and Martensitic Stainless Steel: %
Mechanical Property
Size tolerance
Permissible Variations in Outside Diameter, Wall thickness, and Cut-Length Variations (Cold-Finished Round Tubing)
Permissible Variations in Outside Diameter, Wall thickness, and Cut-Length Variations (Hot-Finished Round Tubing)
Contact us if you need more details on Mechanical Tube. We are ready to answer your questions on packaging, logistics, certification or any other aspects about stainless steel mechanical tube、ASTM A511. If these products fail to match your need, please contact us and we would like to provide relevant information.
Standard: ASTM A511/A511M
Steel Grade: MT302, MT303, MT304, MT316, MT321, MT347 etc;
Application: used as mechanical tubing
Chemical Composition of Austenitic Stainless Steel: %
| Grade | C | Mn max | Ph max | S max | Si max | Ni | Cr | Mo | Ti | Cb plus Ta | Se |
| MT302 | 0.08-0.20 | 2.00 | 0.040 | 0.030 | 1.00 | 8.0- 10.0 | 17.0- 19.0 | -- | -- | -- | -- |
| MT303 | 0.15 max | 2.00 | 0.20 | 0.15 min | 1.00 | 8.0- 10.0 | 17.0- 19.0 | -- | -- | -- | -- |
| MT303Se | 0.15 max | 2.00 | 0.040 | 0.040 | 1.00 | 8.0- 11.0 | 17.0- 19.0 | -- | -- | -- | 0.12-0.2 |
| MT304 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 8.0- 11.0 | 18.0-20.0 | -- | -- | -- | -- |
| MT304L | 0.035 max | 2.00 | 0.040 | 0.030 | 1.00 | 8.0- 13.0 | 18.0-20.0 | -- | -- | -- | -- |
| MT305 | 0.12 | 2.00 | 0.040 | 0.030 | 1.00 | 10.0-13.0 | 17.0-19.0 | -- | -- | -- | -- |
| MT309S | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 12.0-15.0 | 22.0-24.0 | -- | -- | -- | -- |
| MT310S | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 19.0-22.0 | 24.0-26.0 | -- | -- | -- | -- |
| MT316 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | -- | -- | -- |
| MT316L | 0.035 max | 2.00 | 0.040 | 0.030 | 1.00 | 10.0-15.0 | 16.0-18.0 | 2.0-3.0 | -- | -- | -- |
| MT317 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 11.0-14.0 | 18.0-20.0 | 3.0-4.0 | -- | -- | -- |
| MT321 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 9.0- 13.0 | 17.0-20.0 | -- | -- | -- | -- |
| MT347 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 9.0- 13.0 | 17.0-20.0 | -- | -- | -- | -- |
Chemical Composition of Ferritic and Martensitic Stainless Steel: %
| grade | C, max | Mn, max | Ph, max | S, max | Si, max | Ni | Cr | Mo | Al | Cu | N | Se | ||||
| Martensitic | ||||||||||||||||
| MT403 | 0.15 | 1.00 | 0.040 | 0.030 | 0.50 | 0.50 max | 11.5- 13.0 | 0.60 max | -- | -- | -- | -- | ||||
| MT410 | 0.15 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 11.5- 13.5 | -- | -- | -- | -- | -- | ||||
| MT414 | 0.15 | 1.00 | 0.040 | 0.030 | 1.00 | 1.25-2.50 | 11.5- 13.5 | -- | -- | -- | -- | -- | ||||
| MT416Se | 0.15 | 1.25 | 0.060 | 0.060 | 1.00 | 0.50 max | 12.0-14.0 | -- | -- | -- | -- | 0.12- 0.20 | ||||
| MT431 | 0.20 | 1.00 | 0.040 | 0.030 | 1.00 | 1.25-2.50 | 15.0-17.0 | -- | -- | -- | -- | -- | ||||
| MT440A | 0.60-0.75 | 1.00 | 0.040 | 0.030 | 1.00 | -- | 16.0-18.0 | 0.75 max | -- | -- | -- | -- | ||||
| Ferritic | ||||||||||||||||
| MT405 | 0.08 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 11.5-14.5 | -- | 0.10-0.30 | -- | -- | -- | ||||
| MT429 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 14.0-16.0 | -- | -- | -- | -- | -- | ||||
| MT430 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 16.0-18.0 | -- | -- | -- | -- | -- | ||||
| MT443 | 0.20 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 18.0-23.0 | -- | -- | 0.90-1.25 | -- | -- | ||||
| MT446-1 | 0.20 | 1.50 | 0.040 | 0.030 | 1.00 | 0.50 max | 23.0-30.0 | -- | -- | -- | 0.25 max | -- | ||||
| MT446-2 | 0.12 | 1.50 | 0.040 | 0.030 | 1.00 | 0.50 max | 23.0-30.0 | -- | -- | -- | 0.25 max | -- | ||||
| 29-4 | 0.010 | 0.30 | 0.025 | 0.020 | 0.20 | 0.15 max | 28.0-30.0 | 3.5- 4.2 | -- | 0.15 max | 0.020 max | -- | ||||
| 29-4-2 | 0.010 | 0.30 | 0.025 | 0.020 | 0.20 | 2.0- 2.5 | 28.0-30.0 | 3.5- 4.2 | -- | 0.15 max | 0.020 max | -- | ||||
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 |
| 29-4 | 70 (485) | 55(380) | 20 |
| 29-4-2 | 70 (485) | 55(380) | 20 |
Size tolerance
Permissible Variations in Outside Diameter, Wall thickness, and Cut-Length Variations (Cold-Finished Round Tubing)
| OD, in. | OD tolerance in. Over and Under | Wall thickness in % | Permissible variations in cut length, in. | ||
| Over | under | over | under | ||
| Under 1/2 | 0.005 | 15 | 15 | 1/8 | 0 |
| 1/2 to 1 1/2 excl | 0.005 | 10 | 10 | 1/8 | 0 |
| 1 1/2 to 3 1/2 excl | 0.010 | 10 | 10 | 3/16 | 0 |
| 3 1/2 to 5 1/2 excl | 0.015 | 10 | 10 | 3/16 | 0 |
| 5 1/2 to 8 excl | 0.030 | 10 | 10 | 3/16 | 0 |
| 8 to 8 5/8 excl | 0.045 | 10 | 10 | 3/16 | 0 |
| 8 5/8 to 12 3/4 incl | 0.062 | 10 | 10 | 3/16 | 0 |
Permissible Variations in Outside Diameter, Wall thickness, and Cut-Length Variations (Hot-Finished Round Tubing)
| Specified size,OD, in. | Outside diameter and wall thickness tolerances | Permissible variations in Cut Length, in. | ||||||||||||||
| OD, in. | Wall thickness, % | |||||||||||||||
| Over | under | 0.109 in. and under | 0.109 to 0.172 in. incl. | Over 0.172 to 0.203 in. incl | Over 0.203 in. | over | under | |||||||||
| over | under | Over | under | over | under | Over | under | |||||||||
| Under 3 | 0.023 | 0.023 | 16.5 | 16.5 | 15 | 15 | 14 | 14 | 12.5 | 12.5 | 3/16 | 0 | ||||
| 3 to 5 1/2, excl | 0.031 | 0.031 | 16.5 | 16.5 | 15 | 15 | 14 | 14 | 12.5 | 12.5 | 3/16 | 0 | ||||
| 5 1/2 to 8, excl | 0.047 | 0.047 | -- | -- | - | -- | 14 | 14 | 12.5 | 12.5 | 3/16 | 0 | ||||
| 8 to 10 3/4, excl | 0.047 | 0.047 | -- | -- | - | -- | -- | -- | 12.5 | 12.5 | 3/16 | 0 | ||||
| 10 3/4 to 12 3/4, incl | 0.063 | 0.063 | -- | -- | - | -- | -- | -- | 12.5 | 12.5 | 3/16 | 0 | ||||
Contact us if you need more details on Mechanical Tube. We are ready to answer your questions on packaging, logistics, certification or any other aspects about stainless steel mechanical tube、ASTM A511. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Seamless Steel Tube > Mechanical Steel Tube
Premium Related Products
Other Products
Hot Products
JIS Alloy Steel Seamless PipeASTM A511/A511M Seamless Stainless Steel Mechanical TubingPiston RodWholesale China API 5CT oil well casing pipe,steel casing pipeDIN 2440 ST 37/DIN 1629 ST42 seamless steel pipe3PE coated Seamless / Welded Steel TubeLSAW DIN 2440 ST 37 DIN 1629 ST42 API 5L GR B ASTM A53 GR B A106 GR B seamless steel pipeAPI 5L GrB PSL1 Seamless Pipe / gi pipebig diameter spiral steel pipesupply ASTM A106B SA53B carbon steel pipes seamlessoffer ASTM A234 seamless carbon steel elbowsCold-Drawn Seamless Stainles Steel Tubesupply JIS G3456 seamless carbon steel pipessupply ASTM A106B carbon steel seamless tubes and pipesASTM A106 Carbon Steel PipeASTM ERW carbon steel pipe