Materials

NiRo Works up all common shared stainless steel pieces up to high-alloy materials and nickel-based materials in accordance to reviewed approvals. The high quality products are preferred application in the process technology, environmental-, paper-, chemical- and power plant industry.

Stainless steel
1.4301 / 1.4307 / 1.4541
Water and easily polluted sewages, food and organic acids, up to ph-value 4,5 resistance in chlorides poor fluids.
1.4404 / 1.4571
Higher common resistance than in above group, preferred for environmental-, paper- and chemical industry, even by higher chlorides content.
1.4432 / 1.4435 / 1.4436 >
Higher resistance than above group against oxidizing acids and chlorides containing fluids.
1.4439
Higher resistance than above group against oxidizing acids and containing chlorides fluids e.g. seawater and hypochloridbase.
Special stainless steel
1.4529 / 1.4547 / 1.4562 / 1.4565
highest resistance in acids, chlorides fluids, e.g. seawater, high sulphuric acid resistance.
1.4539
Highest resistance against phosphor and sulphuric fluids with chlorides contaminations.
(Super) Duplex
1.4362 / 1.4410 / 1.4462 / 1.4470 / 1.4501 / 1.4507 / 1.4591
High resistance against pitting and stress corrosion cracking in neutral chloride fluids, resistance for acid gas conditions.
Heat resisting steel
1.4828 / 1.4835 / 1.4841 / 1.4864 / 1.4876 / 1.4878
Resistance against nitrogenous containing oxygen poor gas.
High corrosion resistant alloys
2.4602 / 2.4605 / 2.4610 / 2.4633 / 2.4816 / 2.4819 / 2.4856
High resistance in chloride containing fluids, suitable for acid gas conditions, seawater.
Titanium and alloys
3.7025 / 3.7035 / 3.7055
Will be preferred employ in the offshore-, chemical-, aircraft- and aerospace industry.
Nickel und nickel alloy
2.4066 / 2.4068 / 2.4360 / 2.4361
High resistance for e.g. hydrofluoric and hydrochloric acid.
Copper-nickel alloys
2.0872 / 2.0878 / 2.0882
The main areas of application are chemical apparatus construction, seawater desalination plants as well as shipbuilding and offshore technology