C63200 Nickel Aluminum Bronze Tubes: Comprehensive Technical Analysis and Performance Characteristics

1. Introduction to C63200 Alloy

C63200 nickel aluminum bronze is a high-strength copper-based alloy known for its exceptional mechanical properties and corrosion resistance. This analysis provides detailed information about its characteristics, specifications, and applications.

2. Chemical Composition

The precise chemical composition according to ASTM standards:

Elemento	Composition Range (%)	Optimal Range (%)
Cobre	81.0 – 83.0	82.0
Alumínio (Al)	8,5 – 9,5	9,0
Níquel (Ni)	4,0 – 4,8	4.5
Ferro (Fe)	3,5 – 4,3	4.0
Manganês (Mn)	1,2 – 2,0	1,5
Silício (Si)	00,10 máx.	00,05
Chumbo (Pb)	0.02 max	0.01
Zinco (Zn)	00,20 no máximo	0.10

3. Mechanical Properties

3.1 Standard Mechanical Properties at Room Temperature

Propriedade	Unidades métricas	Imperial Units
Resistência à tração	640-720 MPa	93-104 ksi
Força de rendimento (compensação de 0,2%)	280-380 MPa	41-55 ksi
Elongation in 50mm	15% min	15% min
Redução de Área	20% min	20% min
Dureza (Brinell)	160-200 HB	160-200 HB
Impact Strength (Charpy V-notch)	34 J	25 ft-lb

3.2 Temperature-Dependent Properties

Temperatura (°C)	Resistência à tração (MPa)	Força de rendimento (MPa)	Alongamento (%)
-196	850	420	12
20	680	330	15
100	650	310	16
200	600	280	18
300	520	250	20
400	400	200	25

4. Physical Properties

Propriedade	Valor	Units
Densidade	7h45	g/cm³
Intervalo de fusão	1030-1060	°C
Calor específico	0.377	kJ/kg·K
Condutividade térmica	42	W/m·K
Resistividade elétrica	13.3	μΩ·cm
Módulos de elasticidade	110	GPa
Razão de Poisson	0.33	–
Magnetic Permeability	1.05	–

5. Dimensional Specifications

5.1 Standard Tube Sizes

Nominal OD (mm)	Wall Thickness Range (mm)	Standard Lengths (m)
12.7 – 25.4	1.2 – 3.2	3, 6
31.8 – 50.8	1.6 – 4.8	3, 6
63.5 – 101.6	2.1 – 6.4	3, 6
114.3 – 219.1	3.2 – 12.7	3, 6
273.0 – 406.4	4.8 – 19.1	3, 6

5.2 Tolerances

Dimensão	Tolerance Range
Outside Diameter	±0.25mm up to 50mm OD
Espessura da parede	±10%
Comprimento	+3mm, -0mm
Straightness	1.5mm per meter
Ovality	1% of OD max

6. Corrosion Resistance Properties

6.1 Corrosion Rates in Different Environments

Ambiente	Temperatura (°C)	Corrosion Rate (mm/year)
Água do mar	20	00,025
Fresh Water	20	0.013
3% NaCl Solution	20	0.028
10% H₂SO₄	20	0.15
10% HCl	20	0.22
Atmosfera Industrial	20	0.008

6.2 Environmental Resistance Ratings

Ambiente	Rating (1-10)	Notas
Marinho	9	Excellent resistance
Industrial	8	Very good resistance
Processamento Químico	7	Good for most applications
High Temperature	8	Maintains properties well
Resistência ao desgaste	8	Superior to standard bronzes
Stress Corrosion	9	Highly resistant

7. Manufacturing and Processing

7.1 Fabrication Parameters

Processo	Recommended Parameters
Temperatura de trabalho quente	760-870°C
Temperatura de recozimento	650-750°C
Temperatura de alívio do estresse	350-400°C
Maximum Operating Temperature	315°C

7.2 Welding Specifications

Welding Process	Recommended Parameters	Filler Metal
GTAW	DC Straight Polarity	ERCuNiAl
GMAW	DC Reverse Polarity	ERCuNiAl
SMAW	DC Reverse Polarity	ECuNiAl

8. Quality Control Requirements

8.1 Testing Requirements

Tipo de teste	Padrão	Freqüência
Análises químicas	ASTM E478	Per Heat
Tensile Testing	ASTM E8	Per Lot
Hardness Testing	ASTM E10	Per Lot
Teste ultrassônico	ASTM E213	100%
Hydrostatic Testing	ASTM E498	100%

8.2 Surface Finish Requirements

Surface Condition	Roughness (Ra)	Inscrição
Standard Finish	3.2 μm	General Purpose
Smooth Finish	1.6 μm	Hydraulic Applications
Polished Finish	0.8 μm	Critical Flow Service
Mirror Finish	0.4 μm	Special Applications

9. Applications and Industry Standards

9.1 Industry-Specific Applications

Indústria	Formulários	Key Requirements
Marinho	Propeller Shafts, Pump Housings	Resistência à corrosão
Oil & Gas	Valve Bodies, Bearings	Strength, Wear Resistance
Processamento Químico	Heat Exchangers, Reactors	Chemical Resistance
Geração de energia	Pump Components, Fittings	Reliability, Durability
Mineração	Wear Plates, Bushings	Abrasion Resistance

9.2 Applicable Standards

Padrão	Descrição	Alcance
ASTM B150	Standard Specification	Material Requirements
ASTM B271	Seamless Tubes	Fabricação
NACE MR0175	Sour Service	Oil & Gas Applications
ISO 9001	Quality Management	Process Control
DNV-GL	Marine Certification	Maritime Applications

10. Economic Considerations

10.1 Cost Factors

Fator	Impact Level	Consideração
Custo da matéria-prima	Alto	Market-dependent
Custo de processamento	Médio	Complex manufacturing
Custo de instalação	Baixo	Standard procedures
Custo de manutenção	Baixo	Long service life
Custo do ciclo de vida	Favorable	Extended durability

This comprehensive analysis provides essential information for engineers, procurement specialists, and technical professionals working with C63200 nickel aluminum bronze tubes. The data presented should be verified for specific applications and operating conditions.