KUPTİN® 12
Tin Bronze | CuSn12
KUPTİN® 12 is a Tin Bronze | CuSn12 grade for bushings, bearings, rods, tubes, plates, and wear-resistant industrial components.
ISO:
CuSn12
ASTM:
C90800
EN:
CC483K / CB483K
01. Chemical Composition (%)
science
Copper
(Cu)
%85.0-88.5
Tin
(Sn)
%11.0-13.0
Lead
(Pb)
%1.0 Max
Zinc
(Zn)
%0.5 Max
Nickel
(Ni)
%2.0 Max
02. Industries Served
factory
oil_barrel
Oil & Gas
Drilling Equipment
precision_manufacturing
Automotive
Bushings
wind_power
Energy
Turbines
sailing
Maritime & Defense
Propulsion Systems
flight_takeoff
Aerospace
Landing Gear
03. Supply Forms
inventory_2
radio_button_unchecked
Hollow Bar / Pipe
sort
Flat Bar / Plate
stroke_full
Round Bar
04. Mechanical Properties
engineering| Property Name | Imperial (psi) | Metric (MPa) | Test Method |
|---|---|---|---|
| Tensile Strength | - | 260-300 N/mm² | - |
| Yield Strength | - | 140-150 MN/mm² | - |
| Hardness | 80-90 HB | - | |
| Density | - | 8.80 g/cm³ | - |
05. Areas of Use
settings_suggest| Worm gears and helical gears | |
| Shaft nuts and clutches operating under load | |
| Heavy-duty bearings exposed to extreme loads | |
| Sliding plates and slideways operating under heavy conditions |
06. Global Equivalent Grades
public| Region | Standard | Grade Definition | Notes |
|---|---|---|---|
| flag Europe | EN 1982 | CuSn12-C | Casting |
| flag Europe | EN 1982 | CuSn12-B | Ingot |
| flag Europe | EN | CC483K | Casting |
| flag Europe | EN | CB483K | Ingot |
| flag USA | ASTM | C90700 | |
| flag USA | ASTM | C90800 | |
| flag USA | ASTM | C90500 | |
| flag Germany | DIN | CuSn12 | |
| flag Germany | DIN | G-CuSn12 | |
| flag Japan | JIS B 1581 | CuSn12 | |
| flag Global | Trade | GBz 12 | Common Usage |
| flag Türkiye | Brand Name | KUPTİN 12 | Çorum Bronz |
07. Technical Resources
folder_open08. Standard Compliance
verified_user
EN
EN 1982 (Casting)
EN S
EN 1982 (Ingot)
ASTM
C90700
ASTM
C90800
ASTM
C90500
DIN
G-CuSn12
JIS
JIS B 1581
Long Notes
note_altKUPTİN® 12 technical data
KUPTİN® 12 is available for custom casting, continuous casting, centrifugal casting, machining, and industrial spare-part production.