UGIMA® 4542 H925
UGIMA® 4542 H925 introduction
UGIMA® 4542 is the first UGIMA® steel product from the family of improved machinability, precipitation hardened stainless steels. It is manufactured only by UGITECH.
Its properties are identical to those of UGI 4542 except for its machinability which is significantly better than that of UGI 4542:
UGIMA® 4542 has new technological advances bring significant advantages over grade 1.4542.
Productivity increases of 20 to 30% are obtained compared with grade UGI 4542.
This stainless steel is unique in that it not only offers excellent corrosion resistance, comparable to that of type 1.4301/1.4307 (304/304L) austenitic stainless steels, but it also offers a wide range of mechanical properties once treated.
Its performance - based on its metallurgical condition - means that it can meet demands for high levels of tensile strength as well as being suitable for applications that require high impact strength.
The microstructure is martensitic with some ferrite stringer. Depending on the metallurgical condition some retained austenite and copper precipitates can be part of the microstructure.
Equivalent material: EN 1.4542, DIN X5CrNiCuNb16-4, UNS S17400, AISI 630, JIS SUS630, DIN 1.4542, EN X5CrNiCuNb16-4
UGIMA® 4542 H925 general
| Property |
Value |
| Density |
Density of 7.86 g/cm³ |
UGIMA® 4542 H925 chemical
| Property |
Value |
Comment |
| Carbon |
Carbon of 0.06 |
max. |
| Chromium |
Chromium of 15.0 - 16.5 % |
- |
| Copper |
Copper of 3.0 - 4.0 % |
- |
| Manganese |
Manganese of 1.0 |
max. |
| Molybdenum |
Molybdenum of 0.5 |
max. |
| Nickel |
Nickel of 4.0 - 5.0 % |
- |
| Niobium |
Niobium of 0.45 |
max., min: 5xC |
| Phosphorus |
Phosphorus of 0.03 |
max. |
| Silicon |
Silicon of 0.6000000000000001 |
max. |
| Sulfur |
Sulfur of 0.03 |
max. |
UGIMA® 4542 H925 electrical
| Property |
- |
- |
| Application areas |
| Corrosion properties |
Environment |
Behavior |
| Nitric acid |
Good |
| Phosphoric acid |
Restricted use |
| Sulphuric acid |
Restricted use |
| Acetic acid |
Average |
| Sodium carbonate |
Average |
| NaCl (Saline mist) |
Good |
| Humidity |
Excellent |
| Sea water |
Restricted use |
| Oil/gas |
Restricted use |
UGIMA® 4542 H925 mechanical
| Property |
Value |
Comment |
| Charpy impact energy, V-notch |
Charpy impact energy, V-notch of 6.8 J |
min., ASTM A564 |
| Elastic modulus |
Elastic modulus of 197 GPa |
- |
| Elongation |
Elongation of 10 % |
min., ASTM A564 |
| Hardness, Brinell |
Hardness, Brinell of 375.0 [-] |
min., ASTM A564 |
| Hardness, Rockwell C |
Hardness, Rockwell C of 38.0 [-] |
min., ASTM A564 |
| Reduction of area |
Reduction of area of 44.0 % |
min., ASTM A564 |
| Tensile strength |
Tensile strength of 1170 MPa |
min., ASTM A564 |
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