Made of austenitic stainless steel, these balls are distinguished by their exceptional corrosion resistance, due to their rich composition in chrome, nickel, molybdenum and copper. They are ideal for use in very corrosive environments. Marteau- Lemarie guarantees a fast availability in stock in France, supported by 40 years of technical expertise.
Chemical composition of AISI 904L stainless steel ball
| Element | C | If | Mn | P | S | Cr | Neither | N | Mo | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| % | 0.020 max | 1.00 max | 2.00 max | 0.045 max | 0.035 max | 19,00-23,00 | 23,00-28,00 | 0,100 max | 4,00-5,00 | 1,00-2,00 |
Physical characteristics of AISI 904L stainless steel ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 7.98 | g/cm3 |
| Young Module | 193 | GPA |
| Thermal expansion coefficient | 15.4 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 12.3 | W/m·K |
| Electrical resistivity | 925 | × 10 - 9 D·m |
| Specific heat | 475 | J/kg·K |
| Relative magnetic permeability | 1,001 | — |
| Magnetic behaviour | Paramagnetic | — |
Hardness and mechanical strength of AISI 904L stainless steel ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 65-95 | HRB |
| Tensile failure load | 520-620 | Pa |
| Tensile failure load | 76-89 | psix10^3 |
| Exercise temperatures | -196/450 | ° C |
| Exercise temperatures | -320,8/842 | °F |
Available diameters and grades for AISI 904L stainless steel ball
| Parameter | Value |
|---|---|
| Minimum diameter | 2.5 mm — 3/32′′′ |
| Maximum diameter | 40 mm — 1-9/16′′′ |
| Grades available | G100-200-300-500-600-700-1000 |
| Precision standards | ISO 3290-1 / DIN 5401 / AFBMA |
Corrosion resistance of AISI 904L stainless steel ball
Excellent corrosion resistance including contact with acetic, phosphoric and sulphuric acids, chlorinated solutions and sea water, even at high temperatures. They are attacked by hydrochloric acid and nitric acid.
International standards for AISI 904L stainless steel ball
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| X1 NiCrMoCu 25-20-5 | 904L | 1.4539 | Z 2 NCDU 25-20 | 904S13 | – | – | SUS 890L |
Applications of AISI 904L stainless steel ball
Special pumps and valves, applications in the chemical industry under extremely aggressive conditions, applications in the marine environment.
