ASTM A554 Welded Stainless Steel Tubes has simple production process, high production efficiency, many varieties and specifications, and less equipment investment, but the general strength is lower than seamless steel pipes.It replaces in heat exchange equipment pipes, decorative pipes, medium and low pressure fluid pipes, etc.
Welded Stainless Tubes
MT304,MT 316.MT316L,MT430,etc
OD:9.5mm-139.7mm
WT:0.6-3.05mm
The ASTM A554 standard is about stainless steel tube surface polishing.
Chemical Requirements:
Grade | Chemical Composition, % | ||||||||
Carbon | Manganese | Phosphorus | Surfur | Silicon | Nickel | Chromium | Molybdenum | Titanium | |
max | max | max | max | max | |||||
Austenitic | |||||||||
MT-301 | 0.15 | 2 | 0.04 | 0.03 | 1 | 6.0-8.0 | 16.0-18.0 | ... | ... |
MT-302 | 0.15 | 2 | 0.04 | 0.03 | 1 | 8.0-10.0 | 17.0-19.0 | ... | ... |
MT-304 | 0.08 | 2 | 0.04 | 0.03 | 1 | 8.0-11.0 | 18.0-20.0 | ... | ... |
MT-304L | 0.035 | 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 | 2 | 0.04 | 0.03 | 1 | 12.0-15.0 | 22.0-24.0 | ... | ... |
MT-309S-Cb | 0.08 | 2 | 0.04 | 0.03 | 1 | 12.0-15.0 | 22.0-24.0 | ... | ... |
MT-310S | 0.08 | 2 | 0.04 | 0.03 | 1 | 19.0-22.0 | 24.0-26.0 | ... | ... |
MT-316 | 0.08 | 2 | 0.04 | 0.03 | 1 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | ... |
MT-316L | 0.035 | 2 | 0.04 | 0.03 | 1 | 10.0-15.0 | 16.0-18.0 | 2.0-3.0 | ... |
MT-317 | 0.08 | 2 | 0.04 | 0.03 | 1 | 11.0-14.0 | 18.0-20.0 | 3.0-4.0 | ... |
MT-321 | 0.08 | 2 | 0.04 | 0.03 | 1 | 9.0-13.0 | 17.0-20.0 | ... | |
MT-330 | 0.15 | 2 | 0.04 | 0.03 | 1 | 33.0-36.0 | 14.0-16.0 | ... | ... |
MT-347 | 0.08 | 2 | 0.04 | 0.03 | 1 | 9.0-13.0 | 117.0-20.0 | ... | ... |
Ferritic | |||||||||
MT-429 | 0.12 | 1 | 0.04 | 0.03 | 1 | 0.50 max | 14.0-16.0 | ... | ... |
MT-430 | 0.12 | 1 | 0.04 | 0.03 | 1 | 0.50 max | 16.0-18.0 | ... | ... |
MT-430-Ti | 0.1 | 1 | 0.04 | 0.03 | 1 | 0.075 max | 16.0-19.5 | ... | 5 x C min. 0.75 max |
Usage:
ASTM A554 Welded Stainless Steel Tubes used for hardware products, mechanical structure, chemical equipment, automobile railings, automobile exhaust pipe, air conditioning exhaust pipe, handle, tableware, bicycle frame, knife handle, pull gate, towel rack, bath rack, battery tube, electronic accessories, etc.
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