High abrasion resistant aluminum bronze alloy, and sliding members using same

An abrasion resistant aluminum bronze alloy consisting of

• Al:
• 7-12%,
• Mn:
• 1.5-5.5%,
• Si:
• 0.45-2.7%,
• Zn:
• at most 2%,
• Pb:
• at most 1%,
• at least one of Cr, V, Ti, and Zr:
• at most 1% in total, respectively in weight, and
• the rest is substantially Cu, of which Mn/Si ratio is 1-3.25.

An abrasion resistant aluminum bronze alloy consisting of

• Al:
• 7-12%,
• Mn:
• 3.8-5.4%,
• Si:
• 0.45-2.7%,
• Zn:
• at most 2%,
• Pb:
• at most 1%,
• at least one of Cr, V, Ti, and Zr:
• at most 1% in total, respectively in weight, and
• the rest is substantially Cu, of which Mn/Si ratio is 1-3.25.

A sliding member, which slides with a sliding portion made from steel material for industrial apparatus, composed from abrasion resistant aluminum bronze alloy consisting of

• Al:
• 7-12%,
• Mn:
• 1.5-5.5%,
• Si:
• 0.45-2.7%, respectively in weight, and
• the rest is substantially Cu, wherein Mn/Si ratio is 1-3.25 and metallic compound of Mn and Si is dispersed among said alloy structure.

A sliding member, which slides with a sliding portion made from steel material for industrial apparatus, composed from abrasion resistant aluminum bronze alloy consisting of

• Al:
• 7-12%,
• Mn:
• 3.8-5.4%,
• Si:
• 0.45-2.7%, respectively in weight, and
• the rest is substantially Cu, wherein Mn/Si ratio is 1-3.25 metallic compound of Mn and Si is dispersed among said alloy structure, and
• elongation percentage is at least 5%.