Specialty Metals
Specialist In Locating Hard To Find Metals
Header Content Region
Insert text, image or banner ads here, or just delete this text and leave this area blank!
Plates, Sheets & Coils
Aluminum, Armor Plate, Copper, Brass, Military Plates, Stainless Steel, Steel, Titanium....
Round, Hex, Flat, & Square Bar
Aluminum, Brass, Bronze, Copper, Sintered Bronze, Stainless Steel, Steel, Titanium....
Foil, Ribbon & Strip
Aluminum, Copper, Brass, Stainless Steel, Steel, Titanium....
Wire
Round, Flat. Square, All Shapes of Wire; Aluminum, Brass, Bronze, Copper, Stainless Steel, Steel & Titanium Wire....
The Strongest Name In Specialty Metals




400 Series - Martensitic Stainless Steel
Martensitic, or hardenable stainless steels, are classified in the 400 series, usually with 11.5% chromium up to 18% chromium, with higher levels of carbon than ferritics, and are capable of being heat treated to a wide range of hardness and strength levels. Commercially produced AISI grades of this class are Type 410, 410H, 416, 416, 418, 420, 431 and 434.
Typical Applications
Cutlery, Sport Knives and Multi-Purpose Tools.
Main Menu
- Type 410 SS
- PreMar 410 Stainless Steel ground flat stock
- Type 414 SS
- Type 416 SS
- Type 418 SS - (Greek Ascoloy)
- Type 420 SS
- Ruetom Special 420 Stainless Steel ground flat stock
- Type 431 SS
- Type 434 SS
- Type 440 SS
- PreMar 440C Stainless Knife Steel ground flat stock
INVENTORY FORMS
Stocking stainless steel in plate, sheet, strip, foil, coil, shim stock, tool wrap, wire, round, hex and flat bar and tube.
Compliance: Metals distributed by and thru MasterSource Company Inc. are in compliance with Section 1502 of the Dodd-Frank Act pertaining to conflict minerals.