Specialty Steel

Products

ESP Specialty Steel Products Commitment to our Customers

Why Stainless Steel?

Corrosion Resistance Mechanical Properties High Temperature Properties Low Temperature Properties Physical Properties Ease of Fabrication Appearance Life Cycle Cost

What makes steel stainless?

Chromium: corrosion & scaling resistance

Carbon: hardness

Nickel: acid corrosion resistance

Molybdenum: pitting corrosion resistance

Sulfur: machinability

Nitrogen, Manganese, Aluminum, Copper, Columbium, Silicon, Titanium, Calcium,

Selenium

Stainless Applications by Grade

303: Shafts, fittings, screws, nuts, bolts

304/L: Welding, valves, fittings, flanges, shafts

316/L: Marine applications, pumps, shafts, gears, valves, fittings

410: Valves, pumps, knives, fasteners, hand tools

416: Screw machine parts

420: Medical instruments, oil and gas drilling/production

440C: Pivot pins, valve parts, oil well pumps, knives, surgical & dental equipment

17-4: Aircraft, military, boat shafts, valves, pumps, medical

300 Series - Austenitic Not Heat Treatable Best Corrosion Resistance Non Magnetic Best Fabricating

Grades stocked at ESP….

303: rounds, oversize rounds, squares, hexes, CD flats

304/304L: rounds, oversize rounds, squares, hexes, HR

flats, Accuracy/BSQ, structurals, tread plate

316/316L: rounds, oversize rounds, squares, hexes, HR flats, pump shaft, structurals

400 Series - Martensitic Chromium Heat Treatable Minimum Corrosion Resistance Magnetic

Grades stocked at ESP ….

410 Ann, 410QDT, 416 ANN, 420 Ann, 420 MOD, 440C: rounds

416 Ann: squares and hexes; pump shaft quality rounds

PH Grades High Strength Good Corrosion Resistance Precipitation Hardening Easy Heat Treatment

Grades stocked at ESP…

17-4 Ann: Rounds H1150/HH1150: Rounds17-4: Flats and Squares