Overview
About PB2 Copper Alloys
C P Steel Suppliers supplies PB2 Copper Alloys for engineering, industrial machinery and manufacturing applications. It is classified as 12% Tin High-Strength Phosphor Gear Bronze for Worm Wheels & Heavy-Load Bearings. Common equivalents include PHOSPHOROUS BRONZE. Available forms include ROUND BARS, FLAT BARS.
Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.
PB2 Round Bar Suppliers, PB2 Stockist, PB2 Big Dia, PB2 Cut to size as per requirement, PB2 vs PHOSPHOROUS BRONZE, PB2 Flat Bar, PB2 Small Quantity, PB2 Larger Dia, PB2 Circle, Ring. PB2 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.
Specification
Chemical Composition
ElementComposition (wt%)
SnTin
11.00 - 13.00%
PPhosphorus
0.15 - 0.60%
PbLead
max 0.50%
NiNickel
max 0.50%
ZnZinc
max 0.30%
FeIron
max 0.15%
CuCopper
Balance (approx. 85.0 - 88.5)
Performance
Mechanical, Physical & Processing Properties
PropertyValue / Reading
Tensile Strengthmin 220 MPa (Sand Cast) / 270 - 330 MPa (Continuous/Centrifugal Cast)
Yield Strengthmin 130 MPa (Sand Cast) / 160 - 200 MPa (Continuous Cast)
Elongationmin 5 - 8 %
Hardness Brinell75 - 110 HBW
PropertyValue / Reading
Density8.80 g/cm3
Melting Point825 - 995 deg C
Modulus Of Elasticity103 GPa
Thermal Conductivity47 - 50 W/(m.K)
PropertyValue / Reading
WeldabilityNot recommended for structural fusion welding; can be brazed or soldered with appropriate flux.
MachinabilityModerate to good; machines cleanly with carbide tools for precision gear teeth and worm wheels.
Case HardeningHigh 12% tin content provides maximum surface fatigue resistance and sliding wear resistance under heavy shock loads.
Corrosion ResistanceVery good resistance to seawater, industrial lubricants, and non-oxidizing acids.
Cross Reference
Equivalent Grades by Standard
Standard / RegionEquivalent Grade
Indian ISPhosphor Bronze Grade 2 (IS 28)
European ENCuSn12-C (CC483K) / CuSn11Pb2-C (CC482K) (EN 1982)
Germany DING-CuSn12 / 2.1052 (DIN 1705)
Japan JISPBC2C / CAC502C (JIS H5120)
UK (BS)PB2 (BS 1400)
USA (SAE / AISI)UNS C90800 / SAE 65 Gear Bronze
Availability
Available Forms & Sizes
- ROUND BARS
- FLAT BARS
FAQ
PB2 — frequently asked questions
What is the equivalent of PB2?
Common equivalents include PHOSPHOROUS BRONZE. Standards: Indian IS: Phosphor Bronze Grade 2 (IS 28); European EN: CuSn12-C (CC483K) / CuSn11Pb2-C (CC482K) (EN 1982); Germany DIN: G-CuSn12 / 2.1052 (DIN 1705); Japan JIS: PBC2C / CAC502C (JIS H5120); UK (BS): PB2 (BS 1400); USA (SAE / AISI): UNS C90800 / SAE 65 Gear Bronze.
Which forms of PB2 are available?
PB2 is available as ROUND BARS, FLAT BARS.
Where can I buy PB2 Copper Alloys in Mumbai or across India?
C P Steel Suppliers supplies PB2 Copper Alloys from Mumbai. Contact us with your size and quantity to confirm availability and delivery.
Interested in Copper Alloys PB2?
Tell us the size and quantity you need and we will get back to you.