Stainless Steels
Stainless steel is defined by the following characteristics:
Chrome > 10.5 %
Nickel < 30 %
The following types of stainless steels are available:
- Austenitic
- Ferritic
- Martensitic
- Duplex
Austenitic Stainless Steels
- 300 Series - Chromium-Nickel-(Molybdenum) alloys – CrNi / CrNiMo
- Main grades: 304, 304L, 316, 316L, 321, 310, 347
- Main applications: chemical industry (heat exchangers, pressure vessels, tanks, etc.), food processing industry, domestic appliances, building and construction
- 200 Series - Chromium-Nickel-Manganese alloys - CrNiMn / CrMn
- Main grades: 201, 202
- Main applications: kitchen utensils, cutlery, domestic appliances, ornamental tubes, structural tubes
Ferritic Stainless Steels
- 400 Series - Chromium-(Molybdenum) alloys - Cr / CrMo
- Main grades: 409, 430, 441, 444, 445
- Main applications: automotive exhaust systems, automotive trim, hot water tanks, household appliances, utensils
Martensitic Stainless Steels
- Chromium-Carbon-(Nickel)-(Molybdenum) alloys - CrC
- Main grades: 420, 410, 440
- Main applications: cutlery, knife blades, scissors, surgical instruments
Duplex-Austenitic-Ferritic Stainless Steels
- Main grades: Regular Duplex (2205), Super-Duplex (2507), Lean-Duplex (2304, LDX 2101)
- Main applications: chemical tanks, marine applications, petrochemical plants, desalination plants, heat exchangers, pulp & paper machines, chemical tanks, bridges, food tanks
Nickel Alloys
Nickel Alloys can be divided into 4 Alloy types:
- High Performance Alloys
- Heat Resistant Alloys
- Corrosion Resistant Alloys
- Electronic Alloys
High Performance Alloys
- Main alloys: A286, Inconel 718, Nimonic 80A, Inconel 725, Hastelloy X
- Main applications: jet engines, gas turbines, engine valves, downhole safety components in oil & gas industry
Heat Resistant Alloys
- Main alloys: 330, 600, 601, 800, 800H, 800HT, 825
- Main applications: furnace components, heat shields, thermal process industry, oil & gas industry
Corrosion Resistant Alloys
- Main alloys: Alloy 625, Alloy 200, Monel 400, K500, Incoloy 925
- Main applications: chemical process equipment, structural parts, battery casings, oil & gas industry, marine components
Electronic Alloys
- Main alloys: Ni 205, NiFe 36, NiFe 42, NiCr 80-20
- Main applications: lead frames, shadow masks, heating elements, spark plugs, glass seals
Alloy Tool Steels
There are 4 types of Alloy Tool Steels:
- Hot Working Tool Steels (HWTS)
- Cold Working Tool Steels (CWTS)
- Plastic Mould Steels (PMTS)
- High Speed Steels (HSS)
Hot Working Tool Steels
- Main grades: H13, H11, H10
- Main applications: extrusion tools, mandrels, die casting tools, general hot forming tools
Cold Working Tool Steels
- Main grades: D2, D3, O1, O2, A2
- Main applications: stamping dies, cutting tools, blanking tools, punching tools, coining tools, chipless forming tools, threading & cold shearing tools
Plastic Mould Tool Steels
- Main grades: P20, P20+Ni, P21, 420
- Main applications: automotive moulds, moulds for domestic appliances, electronic moulds, various plastic components incl. PET bottles
High Speed Steels
- Main grades: M2, M7, M35, M42, M48
- Main applications: rotating metal cutting tools (e.g. drills, milling tools, saw blades, broaches)