Lead Free Brass C89833 Sand Castings

Alloy C89833, Lead Free Red Brass, has 87% Copper 5% Tin 3% Zinc and 2% Bismuth. It contains virtually no Selenium but does utilize Bismuth as a Lead substitute. This alloy has been recognized as an acceptable material for California Prop 65. It has good machinability, polishing and plating characteristics. It is suitable for being joined by soldering (excellent) and brazing (good).

Типичный applications for sand casting alloy C89833 are water meters, valves, pump components, pipe fittings, plumbing goods, water pump impellers, housings and small gears.

opper-bismuth UNS C89833 has a copper content of not less than 86%.

The following table shows the mechanical properties of UNS C89833 sand cast alloy as a function of heat treatment.

ХарактерРастяжимая ул.Выходная ул.Удлиненный.
М01258MPa (37ksi)119MPa (17ksi)28%

The chemical composition of UNS C89833 copper alloy is outlined in the following table.

Категория:

C89833 Product description: Bismuth tin bronze

Shape/Form: semi-finished; mill stock or near net shapes; anode; bar stock; billet/bloom; squares; hex; plate; profile or structural shape; flats/rectangular bar
Compliance: C89833 is compliant with key legislation including (1) Federal Safe Drinking Water Act – SDWA, (2) S. 3874 Federal Reduction of Lead in Drinking Water Act, (3) California AB1953, (4) Vermont Act 193, and is NSF/ANSI/CAN 61-2022 compliant*Consult mill for wall thickness

Типичное использование

Industrial: corrosion-resistant/pressure-tight castings, impellers, pumps

Химический состав

Cu%Pb%Sn%Цинк%Fe%пВ 1Ал%Bi%S%Сб%И%
Chemical composition provided by CDA
Значение 1Ni включает Co.
Note: Cu + sum of named elements, 99.3% min. Single values represent maximums.
86.00-
91.00
00,094.00-
6.00
2.00-
6.00
0.3000,051,0000,0051.70-
2.70
00,0800,2500,005

Обрабатываемость

Медный сплав UNS №.Рейтинг обрабатываемостиПлотность (фунт/дюйм3 при 68 °F)
C89833810.317

Механические свойства

Предел прочности, минПредел текучести, при растяжении 0,5% под нагрузкой, не менееУдлинение, не менее 2 дюймов или 50 мм.Твердость по Бринеллю (нагрузка 500 кг)Замечания
ksiМПаksiМПа%типичный BHN
302071497660

Физические свойства

Физические свойства предоставлены CDA
Американский обычайМетрическая
Температура плавления – жидкость1877 °F1025 °C
Температура плавления – солидус1454 °F790 °C
Плотность0.317 lb/in3 at 68 °F8.78 gm/cm3 at 20 °C
Обычно используемые марки бериллиевой меди следующие:8,788,78
Электрическая проводимость17.8% IACS at 68 °F0.103 MegaSiemens/cm at 20 °C
Теплопроводность41 Btu/sq ft/ft hr/°F at 68 °F71 W/m at 20 °C
Коэффициент термического расширения 68-39213 · 10-6 per °F (68-392 °F)22.5 · 10-6 per °C (20-200 °C)
Удельная теплоемкость0.085 Btu/lb/°F at 68 °F356.1 J/kg at 20 °C
Модуль упругости при растяжении15500 фунтов на квадратный дюйм106869 MPa

C89833 Abstract

Concast C89833 is a lead-free casting alloy that can be interchangeable with C836 (Alloy Digest Cu-317, August 1976). C89833 is classified as a bismuth tin bronze. See also Federalloy I-844, Alloy Digest Cu-611, March 1997. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. Filing Code: Cu-891.

Свойства изготовления

Свойства изготовления, предоставленные CDA