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:

요소	구성 범위(%)	Optimal Range (%)
구리	81.0 – 83.0	82.0
알루미늄(Al)	8.5 – 9.5	9.0
니켈(Ni)	4.0 – 4.8	4.5
철(Fe)	3.5 – 4.3	4.0
망간(Mn)	1.2 – 2.0	1.5
실리콘(Si)	0.10 최대	0.05
납(Pb)	00.02 최대	0.01
아연(Zn)	0.20 최대	0.10

3. Mechanical Properties

3.1 Standard Mechanical Properties at Room Temperature

재산	미터법 단위	Imperial Units
궁극의 인장 강도	640-720 MPa	93-104 ksi
항복 강도(0.2% 오프셋)	280-380 MPa	41-55 ksi
Elongation in 50mm	15% min	15% min
면적 감소	20% min	20% min
경도(브리넬)	160-200 HB	160-200 HB
Impact Strength (Charpy V-notch)	34 J	25 ft-lb

3.2 Temperature-Dependent Properties

온도(°C)	인장 강도(MPa)	항복강도(MPa)	신장률(%)
-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. 물리적 특성

재산	값	단위
밀도	7.45	g/cm³
녹는 범위	1030-1060	°C
비열	0.377	kJ/kg·K
열 전도성	42	W/m·K
전기 저항	13.3	μΩ·cm
탄성계수	110	평점
포아송의 비율	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

치수	Tolerance Range
Outside Diameter	±0.25mm up to 50mm OD
벽 두께	±10%
길이	+3mm, -0mm
Straightness	1.5mm per meter
Ovality	1% of OD max

6. 내식성 특성

6.1 Corrosion Rates in Different Environments

환경	온도(°C)	Corrosion Rate (mm/year)
바닷물	20	0.025
민물	20	0.013
3% NaCl Solution	20	0.028
10% H₂SO₄	20	0.15
10% HCl	20	0.22
산업적인 분위기	20	0.008

6.2 Environmental Resistance Ratings

환경	Rating (1-10)	노트
선박	9	Excellent resistance
산업	8	Very good resistance
화학 처리	7	Good for most applications
High Temperature	8	Maintains properties well
내마모성	8	Superior to standard bronzes
Stress Corrosion	9	Highly resistant

7. Manufacturing and Processing

7.1 Fabrication Parameters

프로세스	Recommended Parameters
뜨거운 작동 온도	760-870°C
어닐링 온도	650-750°C
응력 완화 온도	350-400°C
최대 작동 온도	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

테스트 유형	기준	빈도
화학 분석	ASTM E478	히트당
인장 시험	ASTM E8	로트당
경도 테스트	ASTM E10	로트당
초음파 테스트	ASTM E213	100%
Hydrostatic Testing	ASTM E498	100%

8.2 Surface Finish Requirements

Surface Condition	Roughness (Ra)	애플리케이션
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

산업	애플리케이션	Key Requirements
선박	Propeller Shafts, Pump Housings	내식성
Oil & Gas	Valve Bodies, Bearings	Strength, Wear Resistance
화학 처리	Heat Exchangers, Reactors	Chemical Resistance
발전	Pump Components, Fittings	Reliability, Durability
채광	Wear Plates, Bushings	Abrasion Resistance

9.2 Applicable Standards

기준	설명	범위
ASTM B150	Standard Specification	Material Requirements
ASTM B271	Seamless Tubes	조작
NACE MR0175	Sour Service	Oil & Gas Applications
ISO 9001	품질 관리	Process Control
DNV-GL	Marine Certification	Maritime Applications

10. Economic Considerations

10.1 Cost Factors

요인	Impact Level	고려 사항
원자재 비용	높은	Market-dependent
처리 비용	중간	Complex manufacturing
Installation Cost	낮은	Standard procedures
유지관리 비용	낮은	Long service life
Life Cycle Cost	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.