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The Strongest Name In Specialty Metals
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.
16 Chromium with Ni
AMS-5628 HI SHEAR #115 (CHEM ONLY)
DMS-1565 EXC. SONIC
QQS-763 EXC HARDNESS & IZOD
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.