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Stainless Steel AM 355 (AMS 5547 / AMS 5743)
Technical Data Sheet
AM 355 is a chromium nickel molybdenum stainless steel. AM 355 is a heat treatable austentic/ martensitic alloy (depending on the heat treatment). The properties of AM355 are that of strength of a heat treatable martensitic grades with the corrosion resistance of some of the chromium nickel austenitic grades. AM 355 is used for blades, knives, industrial cutters, discs, rotors, shafts and in similar parts where high strength is required at intermediate elevated temperatures.
| Chemical Composition Limits | ||||||||||
| Weight% | C | P | Si | Ni | N | Mn | S | Cr | Mo | Fe |
| AM 355 | 0.10 - 0.15 | 0.040 max | 0.50 max | 4 -5 | 0.07 - 0.13 | 0.50-1.25 | 0.030 max | 15-16 | 2.5-3.25 | Bal |
Typical Mechanical Properties
| Alloy | Test Temp | Specimen Orientation | Yield Strength 0.02% offset MPa | Yield Strength 0.2% offset MPa | Ultimate Tensile Strength MPa | Elongation in 2"(%) | Reduction of Area % | Rockwell C Hardness |
| AM 355 Bar | 850°F | L | 979 | 1255 | 1489 | 19 | 38 | 48 |
| AM 355 Bar | 850°F | T | 1020 | 1276 | 1517 | 12 | 21 | |
| AM 355 Bar | 1000°F | L | 1014 | 1179 | 1276 | 19 | 57 | 40 |
| AM 355 Bar | 1000°F | T | 1020 | 1165 | 1276 | 15 | 40 |
Availability
AM 355 is available as Bar (Round), Sheet, Plate, Strip, Forgings, Wire. For all other stock availability contact Sales.
Specifications
AMS 5547 Sheet / Strip
AMS 5549 Plate
AMS 5743 Bars / Forgings
AMS 5744 Bars / Forgings
MIL-S-8840
ASTM A484 / ASME SA484
ASTM A564 Type 634
ASTM A579
ASTM A705
AISI 634
UNS S35500
