Grade | 1.4301 / 1.4307 |
Description | Austenitic stainless chromium-nickel steel. Has good corrosion resistance, especially in natural environmental media and in the absence of significant chlorine and salt concentrations and welding work |
Applications | Slightly polluted water and waste water, food, and organic acids, generally resistant to pH 4.5 in low-chloride pleas. It also finds application in the chemical industry, petroleum industry and the petrochemical industry |
Welding | Heat treatment | Chemical composition | |||||||||||||||||||
Weldability | Special measures | Filler metals | Hot forming in °C | Cooling method | Softening/quenching | Type of cooling | DIN | AISI | UNS | Norm | Material data sheet | density | C max. | Cr | Mo | Ni | Mn max. | Ti | N | SI max. | Miscellaneous |
well | none | 1.4316 | 1150-750 | air | 1000-1080 | ≤ 2 mm air, > 2 mm water | X 5 CrNi 18-10 | 304 | S30400 | EN 10028-7 | 7.9 | 0.08 | 17,0-19,5 | 8,0-10,5 | 2 | 0.11 | 1 | P 0,045; S0,015 |
Grade | 1.4404 |
Description |
Austenitic, non-corroding steel displays good acid resistance |
Applications |
In chemical apparatus construction, sewage plants, paper industry, mainly with high chloride content |
Welding | Heat treatment | Chemical composition | |||||||||||||||||||
Weldability | Special measures | Filler metals | Hot forming in °C | Cooling method | Softening/quenching | Type of cooling | DIN | AISI | UNS | Norm | Material data sheet | density | C max. | Cr | Mo | Ni | Mn max. | Ti | N | SI max. | Miscellaneous |
well | none | 1.4430 | 1150-750 | air | 1020-1100 | ≤ 2 mm air, > 2 mm water |
X 2 CrNiMo 17.12.2 |
316L |
S 31603 |
EN 10028-7 |
8 | 0.03 |
16,5-18,5 |
2,0-2,5 |
10,0-14,0 |
2 | 1 |
Grade | 1.4529 |
Description |
"Excellent general corrosion resistance to oxidizing and reducing media, good resistance to pitting and crevice corrosion and increased resistance to stress corrosion cracking compared with other austenitic stainless steels" |
Applications |
Evaporators, heat exchangers, tank linings in phosphoric acid production, pipelines for the use of dilute sulphuric and phosphoric acid, coolers for sulphuric acid plants, seawater filtration, pump piping systems, condenser pipes and pipeline systems in power stations, parts for flue gas desulphurisation systems, tanks for the transport of aggressive chemical products |
Welding | Heat treatment | Chemical composition | |||||||||||||||||||
Weldability | Special measures | Filler metals | Hot forming in °C | Cooling method | Softening/quenching | Type of cooling | DIN | AISI | UNS | Norm | Material data sheet | density | C max. | Cr | Mo | Ni | Mn max. | Ti | N | SI max. | Miscellaneous |
well | none |
2.4621 u. 2.4831 |
1150-950 | air | 1100-1180 | ≤ 2 mm air, > 2 mm water |
X 1 NiCrMoCuN 25 20 |
alloy 926 |
N 08926 |
EN 10028-7 |
VdTÜV-WB 502 |
8.1 |
0.02 |
19,0-21,0 |
6,0-7,0 |
24,0-26,0 |
1 |
0,15-0,25 |
0.5 |
Cu 0,5-1,5 |
Grade | 1.4539 |
Description |
Excellent resistance to pitting, stress corrosion cracking and intercrystalline corrosion |
Applications |
Applications in seawater technology, offshore, the chemical industry, the paper industry, the cellulose industry |
Welding | Heat treatment | Chemical composition | |||||||||||||||||||
Weldability | Special measures | Filler metals | Hot forming in °C | Cooling method | Softening/quenching | Type of cooling | DIN | AISI | UNS | Norm | Material data sheet | density | C max. | Cr | Mo | Ni | Mn max. | Ti | N | SI max. | Miscellaneous |
well | none |
1.4539 u. 2.4653 |
1150-750 | air | 1080-1150 | ≤ 2 mm air, > 2 mm water |
X 1 NiCrMoCuN 25 20 |
904L |
N 08904 |
EN 10028-7 |
VdTÜV-WB 421 |
8 | 0.02 |
19,0-21,0 |
4,0-5,0 |
24,0-26,0 |
2 | 0.15 | 0.7 |
Cu 1,0-2,0; P 0,03; S 0,01 |
Grade | 1.4541 / 1.4878 |
Description |
"Austenitic, non-corroding steel, good resistance to organic acids such as lactic and acetic acids, good resistance to hydrogen sulphide and intercrystalline corrosion" |
Applications |
Water and slightly polluted effluents, food and organic acids, generally resistant up to pH value 4.5 in low-chloride corrosive agents, use in the chemical industry, film and photography industry, in the building trade, superheater flues in steam power plants |
Welding | Heat treatment | Chemical composition | |||||||||||||||||||
Weldability | Special measures | Filler metals | Hot forming in °C | Cooling method | Softening/quenching | Type of cooling | DIN | AISI | UNS | Norm | Material data sheet | density | C max. | Cr | Mo | Ni | Mn max. | Ti | N | SI max. | Miscellaneous |
well | none |
1.4551 u. 1.4316 |
1150-750 | air | 1020-1100 | ≤ 2 mm air, > 2 mm water |
X 6 CrNiTi 18 10 |
321 |
S 32100 |
EN 10028-7 |
7.9 | 0.08 |
17,0-19,0 |
9,0-12,0 |
2 |
5 x % C till 0,7 |
0.05 |
Cu 2,5-4,0; S 0,015; P 0,045 |
Grade | 1.4571 |
Description | |
Applications |
Preferred option for use in chemical apparatus construction, sewage plants, paper industry, particularly in the case of high chloride content |
Welding | Heat treatment | Chemical composition | |||||||||||||||||||
Weldability | Special measures | Filler metals | Hot forming in °C | Cooling method | Softening/quenching | Type of cooling | DIN | AISI | UNS | Norm | Material data sheet | density | C max. | Cr | Mo | Ni | Mn max. | Ti | N | SI max. | Miscellaneous |
well | none |
1.4576 u. 1.4430 |
1150-750 | air | 1020-1180 | ≤ 2 mm air, > 2 mm water |
X 6 CrNiMoTi 17 12 2 |
316Ti |
S 31635 |
EN 10028-7 |
8 | 0.08 |
16,5-18,5 |
2,0-2,5 |
10,5-13,5 |
2 |
5 x % C till 0,7 |
1 |
P 0,045; S 0,015 |