Technical Reference
Materials & Specifications
Precision powder metallurgy components manufactured using certified bronze, iron, copper and alloy powders engineered to exact ISO, DIN, ASTM and JIS standards.
Material Portfolio
Powder Metallurgy Material Grades
Our engineered materials are formulated for self-lubricating performance, high radial crush strength, wear resistance and dimensional stability.
Sintered Bronze (Self-Lubricating)
Ideal for high-speed, light-to-medium load applications requiring silent self-lubricating operation.
Sintered Iron & Carbon Steel
High mechanical strength and load capacity for heavy-duty structural parts and high-load bushings.
Iron-Bronze Composite Alloy
Combines the economy and strength of iron with the low-friction bearing properties of bronze.
Graphite-Impregnated Bronze
Dry-run capable solid lubrication for high-temperature and extreme-duty environments up to 300°C.
Porous Metal Filter Material
Controlled pore size distribution for precise fluid filtration, flame arrestors and sound muffling.
Engineering Data
Physical & Mechanical Properties
Standard mechanical values determined in accordance with ISO 5755 / ASTM standards. Quoted in both metric and imperial references.
| Material Grade | Density (g/cm³) | Porosity / Oil Vol. | Tensile (N/mm²) | RCL K-Factor (N/mm²) | Hardness |
|---|---|---|---|---|---|
| Sintered Bronze (IS 3980 Gr. 1) | 6.4 - 6.8 | 18 - 25% | 140 - 190 | 180 | HB 30 - 45 |
| Sintered Iron (IS 3980 Gr. 2) | 5.8 - 6.5 | 15 - 22% | 220 - 320 | 250 | HRB 45 - 65 |
| Iron-Copper Alloy (Cu 10-20%) | 6.1 - 6.7 | 14 - 20% | 280 - 420 | 290 | HRB 55 - 75 |
| Heat Treated Steel (Case Hardened) | 6.8 - 7.1 | 8 - 14% | 500 - 750 | 420 | HRC 35 - 50 |
| Graphite Bronze (Cu-Sn-C) | 6.2 - 6.6 | 12 - 18% | 160 - 240 | 200 | HB 40 - 55 |
Cross-Reference Matrix
International Standards Equivalence
Every export quotation maps our manufacturing grades directly to regional OEM standards across Indian (IS), German (DIN), International (ISO), American (ASTM), and Japanese (JIS) specifications.
| Indian (IS) | German (DIN) | International (ISO) | American (ASTM) | Japanese (JIS) |
|---|---|---|---|---|
| IS:3980 Grade 1 | DIN 1494 Sinter-Bronze | ISO 5755 FC-0208-P | ASTM B438 Gr. 1 Type 1 | JIS Z 2550 SB-1 |
| IS:3980 Grade 2 | DIN 1494 Sinter-Eisen | ISO 5755 F-0000-P | ASTM B439 Gr. 1 | JIS Z 2550 SE-1 |
| IS:3980 Grade 3 | DIN 1494 Sinter-Bronzeeisen | ISO 5755 FC-0205-P | ASTM B438 Gr. 2 | JIS Z 2550 SBE-1 |
| IS:3980 Grade 4 | DIN 1494 Sinter-Stahl | ISO 5755 F-0008-U | ASTM B439 Gr. 3 | JIS Z 2550 SS-1 |
Custom chemical compositions and non-standard material blends (e.g. lead-free bronze, nickel-steels) can be engineered to your exact drawing requirements upon request.
Manufacturing Precision
Standard Dimensional Tolerances
Sintered bushes and bearings are coined in precision die sets to achieve tight tolerances without secondary grinding.
Inner Diameter (ID)
Production Method: Sized / Coined in Die
Outer Diameter (OD)
Production Method: Precision Sizing Press
Overall Length (L)
Production Method: Face Grinding / Sizing
Concentricity & Runout
Production Method: Mandrel & Gauge Checked