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Type 431 Martensitic Stainless Steel
431 SS has been used for fasteners and fittings, structural components exposed to marine atmosphere, and for highly stressed aircraft components.
MasterSource offers a complete line of type 431 Annealed stainless steel inventory as noted below.
| Alloys | SPECIFICATION |
| 431 SS AISI 431 T431 SS UNS S43100 16 Chromium with Ni |
AMS2303 AMS-5628 HI SHEAR #115 (CHEM ONLY) AMS-S-18732 ASTM-A-276 DMS-1565 EXC. SONIC MIL-S-18732 QQS-763 EXC HARDNESS & IZOD |
INVENTORY FORMS
Round bar: 3/16" thru 6-1/2" DIA
*Additional sizes & grades available upon request.
Compliance: Metals distributed by and thru MasterSource Company Inc. are in compliance with Section 1502 of the Dodd-Frank Act pertaining to conflict minerals.
