C90800 Product description:

Here’s the product description with a brief introduction:

C90800 High-Tin Bronze: Premium Alloy for Industrial Excellence

C90800 is a high-performance copper-tin alloy engineered for demanding industrial applications. This versatile material offers a unique combination of properties that make it indispensable in various sectors:

  • Copper alloy with 11-13% tin content
  • High strength and excellent wear resistance
  • Ideal for heavy-load, low-speed applications
  • Enhanced hardness and corrosion resistance
  • Common uses: industrial gears, marine components, bearings
  • Good machinability and casting properties
  • Available in bars, tubes, plates, and other forms
  • Suitable for demanding, high-durability applications
  • Complies with drinking water safety standards
  • Balances strength, wear resistance, and corrosion protection

فئة:

C90800 High-Tin Bronze: A Comprehensive Product Guide

C90800 high-tin bronze is a copper-based alloy renowned for its exceptional strength, wear resistance, and performance under heavy loads and low speeds. This comprehensive guide delves into the various aspects of C90800 tin bronze, including its composition, properties, applications, and manufacturing processes.

درجة حرارة التقسية

The chemical composition of C90800 tin bronze is crucial to its performance characteristics. The following table outlines the elemental breakdown and the role of each element:

عنصرPercentage RangeRole in the Alloy
نحاس85.00 – 89.00%Primary matrix, provides good thermal and electrical conductivity
Tin (Sn)11.00 – 13.00%Increases strength and wear resistance, improves corrosion resistance
الرصاص (الرصاص)0.25% maxEnhances machinability, reduces friction
الزنك (الزنك)0.25% maxIncreases strength, improves fluidity
الحديد (الحديد)0.15% maxRefines grain structure, increases strength
الفوسفور (ف)0.30% max*Increases hardness, improves fluidity
النيكل (ني)0.50% maxEnhances strength and corrosion resistance
الألومنيوم (آل)0.005% كحد أقصىActs as a deoxidizer, improves mechanical properties
الكبريت (S)0.05% maxImpurity, typically kept at low levels
Antimony (Sb)0.20% كحد أقصىIncreases hardness, improves creep resistance
السيليكون (سي)0.005% كحد أقصىIncreases strength, improves fluidity

*Note: For continuous castings, P shall be 1.5% max.

الخصائص الميكانيكية

The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:

ملكيةقيمة
Tensile Strength (min)35 ksi (241 MPa)
Yield Strength (min)17 ksi (117 MPa)
Elongation (min)10%
صلابة برينل65 BHN (typical)
سمك 12-300 مم × عرض 200-2300 مم0.317 lb/in³ at 68°F

الأداء في درجات حرارة مختلفة

While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:

Temperature Rangeخصائص الأداء
Low Temperature (-50°C to 0°C)Maintains strength and ductility
Room Temperature (0°C to 30°C)Optimal performance for most applications
Elevated Temperature (30°C to 200°C)Retains strength, slight decrease in hardness
High Temperature (200°C to 400°C)Gradual decrease in strength, still usable for some applications

تطبيقات الصناعة

C90800 tin bronze finds use in various industries due to its unique properties:

صناعةالتطبيقات
صناعيSpeed reducers, worm gears
البحريةPump impellers, valve bodies
بناءMovable bridge components, turntables for bridges
السياراتPiston rings, bushings
الهندسة العامةHigh-strength bearings, steam fittings

Shape and Size Availability

C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:

استمارةSize Rangeالتطبيقات المشتركةملاحظات
Solid Bars25mm – 150mm diameterBearings, gears, propeller shaftsCustom lengths available, standard length 3660mm
Tubes25mm – 150mm outer diameterBushings, pump bodies, valvesWall thickness varies, consult manufacturer
لوحات6mm – 100mm thickness, up to 1000mm widthWear plates, flanges, large bearingsCan be cut to specific sizes
منUp to 2000kgLarge machinery parts, marine componentsCustom shapes possible
CastingsNo size limitPump casings, valve bodies, gearboxesComplex shapes possible, consider mold design
الأسلاك1mm – 10mm diameterWelding wire, small springsUsually supplied in coils
Hexagonal Bars10mm – 60mm across flatsBolts, nuts, special fastenersStandard length 3000mm
Square Bars10mm – 100mm side lengthTools, dies, machine partsCustom lengths available, standard 3000mm

Additional information:

  • All shapes can be customized to customer specifications
  • Tolerances can meet ISO f7 grade
  • Surface finishing services available (e.g., polishing, nickel plating)
  • Longer lead times may be required for large castings and forgings
  • Minimum order quantities may apply for certain special sizes

معايير الإنتاج

C90800 tin bronze complies with several important standards and regulations:

Standard/Regulationوصف
Federal Safe Drinking Water Act (SDWA)Ensures material safety for drinking water applications
S. 3874 Federal Reduction of Lead in Drinking Water ActLimits lead content in drinking water systems
California AB1953State-specific regulation for lead content in plumbing
Vermont Act 193State-specific regulation for lead in consumer products

International Standards and Corresponding Grades

While specific international standards for C90800 are not provided in the given information, tin bronzes often have equivalent or similar grades in different countries:

البلد/المنطقةاساسيEquivalent/Similar Grade
الولايات المتحدة الأمريكيةمنC90800
أوروباتشغيلCuSn12
D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلبJISCAC904
D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلبغيغابايتZCuSn12
D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلبD3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلبPB4

خصائص اللحام

Welding tin bronze requires specific techniques due to its composition:

طريقة اللحامملاءمةملاحظات
Gas Tungsten Arc Welding (GTAW)جيدPreferred for thin sections
Gas Metal Arc Welding (GMAW)جيدSuitable for thicker sections
Shielded Metal Arc Welding (SMAW)عدلRequires proper electrode selection
لحام أوكسي أسيتيلينمسكينNot recommended due to high heat input

Processing Characteristics

C90800 can be processed using various methods:

معالجةملاءمةملاحظات
إلى 500 درجة مئوية وتخفيف التوترجيدModerate machinability
تشكيلعدلLimited formability due to high tin content
CastingممتازWidely used in casting applications
الخصائص الفيزيائية والميكانيكية العامة في درجة الحرارة المحيطةمسكينNot typically forged due to high tin content

تلميع

Polishing C90800 can enhance its appearance and surface properties:

Polishing MethodEffectivenessملاحظات
Mechanical PolishingجيدAchieves high luster
Chemical PolishingعدلCan be used for complex shapes
Electro-polishingجيدProvides smooth, bright finish

الخصائص الميكانيكية

Heat treatment can modify the properties of C90800:

الخصائص الميكانيكيةPurposeمعالجة
التلدينStress relief, softeningHeat to 600-650°C, slow cool
التبريدتصلبRapid cooling from 760-870°C
تلطيفStress relief after quenchingHeat to 200-300°C, air cool

Cold Processing

Cold working can alter the mechanical properties of C90800:

Cold Working MethodEffect on Properties
Cold RollingIncreases strength, reduces ductility
Cold DrawingImproves surface finish, dimensional accuracy
تزوير الباردةLimited applicability due to high tin content

المميزات والعيوب

C90800 tin bronze has several pros and cons:

مزاياسلبيات
قوة عاليةRelatively high cost
Excellent wear resistanceLimited formability
مقاومة جيدة للتآكلLower electrical conductivity than pure copper
Low friction coefficientPotential for tin pest at very low temperatures
Suitable for heavy loadsNot suitable for high-speed applications

منتجات مماثلة والمقارنة

C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:

سبيكة% النحاسSn %عناصر أخرىKey Differences
C9080085-8911-13Pb, Zn, Fe, P, NiBase alloy for comparison
C9070088-9010-12Pb, Zn, NiSlightly lower tin, higher copper
C9100083-8515-17Pb, ZnHigher tin content, increased hardness
C9110082-8416-18Pb, ZnEven higher tin, maximum hardness
C9050086-899-11Pb, Zn, NiLower tin, increased ductility

خاتمة

  • C90800 high-tin bronze is a versatile alloy with unique properties
  • High strength, excellent wear resistance, and good corrosion resistance
  • Suitable for heavy loads and low-speed applications
  • Wide range of industrial applications
  • Available in various shapes and sizes
  • Properties can be modified through heat treatment and cold working
  • Relatively high cost
  • Limited formability
  • Lower electrical conductivity than pure copper
  • Potential for tin pest at very low temperatures
  • Consider specific requirements, operating conditions, and economic factors when selecting
  • Compare with similar tin bronze alloys for optimal choice
  • Valuable material for engineers and designers
  • Proven track record in various industries
  • Strong candidate for demanding applications in modern engineering and manufacturing