PB2 Bronze
This is a phosphor bronze with a higher tin content than PB1, which means it has excellent resistance to wear.
As a result of these properties, this bronze is an ideal material for the manufacture of components such as gears and heavy sliding or reciprocating loads.
This bronze is available in bar and tube in the following sizes…
PB2 is mainly available in hollows and rods…
Hollows from 1”OD – 16”OD Rods from ½”dia – 13”dia
Chemical & Physical Properties
Elements | Min % | Max % |
Al | 0.005 | |
Cu | Remainder | |
Fe | 0.15 | |
Ni | 0.5 | |
P | 0.15 | 0.8 |
Pb | 0.25 | |
S | 0.05 | |
Sb | 0.2 | |
Si | 0.005 | |
Sn | 11 | 13 |
Zn | 0.3 |
Property/unit | Condition | Temp | Min | Max |
0.2% Proof Stress (N/mm2) | Sand Cast | RT | 130 | |
Tensile Strength (N/mm2) | Sand Cast | RT | 220 | |
Elongation in 5.65ÖCross Sectional Area | Sand Cast | RT | 3 | |
Brinell Hardness (HB) | Sand Cast | RT | 75 | |
0.2% Proof Stress (N/mm2) | Chill Cast | RT | 170 | |
Tensile Strength (N/mm2) | Chill Cast | RT | 270 | |
Elongation in 5.65ÖCross Sectional Area | Chill Cast | RT | 3 | |
Brinell Hardness (HB) | Chill Cast | RT | 100 | |
0.2% Proof Stress (N/mm2) | Continuous | RT | 170 | |
Tensile Strength (N/mm2) | Continuous | RT | 310 | |
Elongation in 5.65ÖCross Sectional Area | Continuous | RT | 5 | |
Brinell Hardness (HB) | Continuous | RT | 100 | |
0.2% Proof Stress (N/mm2) | Centrifugal | RT | 170 | |
Tensile Strength (N/mm2) | Centrifugal | RT | 270 | |
Elongation in 5.65ÖCross Sectional Area | Centrifugal | RT | 3 | |
Brinell Hardness (HB) | Centrifugal | RT | 100 |
Tolerances
OD Up to and including 4” + 1/32” – 0
Above 4” + 1/16” – 0
Above 12” + 3mm – 0
ID Up to and including 4” – 1/32”ID + 0
Above 4” – 1/16”ID + 0
Above 12” – 3mmID + 0