Titanium clad composite bars are mainly classified into Titanium Clad Copper Bars and Titanium Clad Copper Steel Bars.
1. Material Structure
Titanium Clad Copper Bus bar:The base material (core material) is copper, with typical copper grades including T1, T2, etc. The outer cladding material is titanium.
The combination of copper and titanium provides:
Excellent electrical conductivity from the copper core;
Outstanding corrosion resistance from the titanium cladding layer.
Typical applications include electrolytic cells, electroplating equipment, hydrometallurgy, and other industries requiring both high conductivity and corrosion resistance.
Titanium Clad Copper Steel Bar:The core material is steel, with typical steel grades such as Q235. The outer layer is titanium.
This structure combines:
The mechanical strength and cost advantages of steel;
The excellent corrosion resistance of titanium.
2. Supply Conditions
Titanium clad composite bars are supplied in the following conditions:
Hot Worked Condition (R)
Cold Worked Condition (Y)
Annealed Condition (M)
Different supply conditions can be selected according to the customer's requirements for strength, dimensional accuracy, forming performance, and machining needs.
3. Cross-Section Shapes
According to the cross-sectional shape, titanium clad composite bars can be classified into:
Legend and Symbol Description:
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Symbol
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Description
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1
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Cladding material
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2
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Base material
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3
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Core material
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a
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Side length or width of the composite bar
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b
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Thickness of the composite bar
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d
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Diameter of the composite bar
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r
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Arc radius of the composite bar
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h
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Flat width of the composite bar
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δ
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Cladding thickness of the titanium clad copper composite bar
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δ₁
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Cladding thickness of the titanium clad copper steel composite bar
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δ₂
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Base material thickness of the titanium clad copper steel composite bar
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We can supply titanium clad composite bars in various shapes and dimensions according to customer drawings and application requirements.
For titanium clad copper bars, the typical structure is:
Titanium Cladding Layer + Copper Core (T1/T2C10200/C11000Copper)
Which provides a combination of high electrical conductivity and excellent corrosion resistance, making them suitable for demanding industrial applications such as electrolytic processes and corrosion-resistant conductive components.
Cross-Sectional Representation and Specifications of Composite Bus bar
Table: Dimensions of Titanium Clad Copper Bar
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Type of Composite Bar
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Cross-sectional Shape
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Cross-sectional Representation
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Dimensions (mm)
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Titanium Clad Copper Bar
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Square
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a × a × δ – r
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(24~33) × (24~33) × (1.5~2.0) – 5.0
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Rectangular
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a × b × δ – r
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(20~40) × (15~25) × (1.0~1.5) – (2.0~3.0)
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(>40~50) × (10~15) × (1.0~1.5) – (2.0~3.0)
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(>40~50) × (>15~40) × (1.5~2.0) – (3.0~5.0)
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(>50~80) × (12~35) × (1.5~2.0) – (3.0~5.0)
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(>50~80) × (>35~40) × (2.0~2.5) – (3.0~5.0)
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(>80~100) × (15~30) × (1.5~2.0) – (3.0~8.0)
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(>100~140) × (30~40) × (2.0~2.5) – (3.0~8.0)
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Flat
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a × b × δ – r
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(30~50) × (10~15) × 1.0 – (10.0~16.0)
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(>50~100) × (10~30) × 1.0 – (10.0~32.0)
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Drum-shaped
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φd × h × δ
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(φ25~φ34) × 14 × 1.5
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Round
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φd × δ
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(φ20~φ30) × (1.0~1.5)
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(>φ30~φ40) × (1.0~2.0)
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(>φ40~φ60) × (1.5~2.5)
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(>φ60~φ80) × (2.0~3.0)
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Titanium Clad Copper
Steel Composite Bar
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Rectangular
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a × b × δ₁ × δ₂ – r
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(20~40) × (15~25) × (1.0~1.5) × (2.0~6.0) – (2.0~3.0)
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(>40~50) × (10~15) × (1.0~1.5) × (2.0~6.0) – (2.0~3.0)
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(>40~50) × (>15~40) × (1.5~2.0) × (2.0~6.0) – (3.0~5.0)
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(>50~80) × (12~35) × (1.5~2.0) × (2.0~6.0) – (3.0~5.0)
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(>50~80) × (>35~40) × (2.0~2.5) × (2.0~6.0) – (3.0~5.0)
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(>80~100) × (15~30) × (1.5~2.0) × (2.0~6.0) – (3.0~8.0)
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(>100~140) × (30~40) × (2.0~2.5) × (2.0~6.0) – (3.0~8.0)
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Table: Permissible Dimensional Tolerances of Titanium Clad Composite Bars
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Type of Composite Bar
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Cross-sectional Shape
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Dimensions / Size (mm)
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Permissible Dimensional Tolerances (mm)
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Side length or width a, thickness b, diameter d, base material
thickness δ₂
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Cladding
thickness δ, δ₁
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Flat width h
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Supply Condition / Status
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|
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R,M
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Y
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R,M
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Y
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R,M
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Y
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Titanium Clad Copper Bar
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Square
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(24~33) × (24~33) × (1.5~2.0) – 5.0
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±0.6
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±0.3
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±0.6
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±0.5
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-
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-
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Rectangular
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(20~40)X(15~25)X(1.0~1.5)-(2.0~3.0)
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±0.5
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±0.4
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±0.5
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±0.4
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-
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-
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(>40~50)X(10~15)X(1.0~1.5)-(2.0~3.0)
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±0.8
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±0.5
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±0.5
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±0.5
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-
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-
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(>40~50)X(>15~40)X(1.5~2.0)-(3.0~5.0)
|
|
|
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(>50~80)X(12~35)X(1.5~2.0)-(3.0~5.0)
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±1.5
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±0.6
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±0.8
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±0.6
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-
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-
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(>50~80)X(>35~40)X(2.0~2.5)-(3.0~5.0)
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-
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-
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(>80~100)X(15~30)X(1.5~2.0)-(3,0~8.0)
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±1.7
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-
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±0.8
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-
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-
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-
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(>100~140)X(30~40)X(2.0~2.5)-(3.0~8.0)
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±2.0
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-
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±0.8
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-
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-
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-
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Flat
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(30~50)X(10~15)X1.0-(10.0~16.0)
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±0.4
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-
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-
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(>50~100)X(10~30)X1.0-(10.0~32.0)
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-
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-
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Drum-shaped
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(φ25~φ34)X14X1.5
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±0.3
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±0.3
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±0.3
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±0.5
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±1
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±1
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Round
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(φ20~φ30) × (1.0~1.5)
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±0.3
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±0.3
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±0.5
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±0.5
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-
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-
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(>φ30~φ40) × (1.0~2.0)
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±0.7
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±0.5
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±0.5
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±0.5
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-
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-
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(>φ40~φ60) × (1.5~2.5)
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±0.7
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±0.5
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±0.5
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±0.5
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-
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-
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(>φ60~φ80) × (2.0~3.0)
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±1.2
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-
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±0.8
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-
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-
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-
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Titanium Clad Copper Steel Composite Bar
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Rectangular
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(20~40) × (15~25) × (1.0~1.5) × (2.0~6.0) – (2.0~3.0)
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±0.5
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±0.4
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±0.5
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±0.4
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-
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-
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(>40~50) × (10~15) × (1.0~1.5) × (2.0~6.0) – (2.0~3.0)
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±0.8
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±0.5
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±0.5
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±0.5
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-
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-
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(>40~50) × (>15~40) × (1.5~2.0) × (2.0~6.0) – (3.0~5.0)
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-
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-
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(>50~80) × (12~35) × (1.5~2.0) × (2.0~6.0) – (3.0~5.0)
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±1.5
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±0.6
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±0.8
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±0.6
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-
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-
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(>50~80) × (>35~40) × (2.0~2.5) × (2.0~6.0) – (3.0~5.0)
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-
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-
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(>80~100) × (15~30) × (1.5~2.0) × (2.0~6.0) – (3.0~8.0)
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±1.7
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-
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±0.8
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-
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-
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-
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(>100~140) × (30~40) × (2.0~2.5) × (2.0~6.0) – (3.0~8.0)
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±2.0
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-
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±0.8
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-
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-
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-
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Except for the cladding thickness at the cross-sectional rounded corners of square and rectangular bars, the cross-sectional pointed corners of cambered bars, and the side faces of rectangular bars.
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For the cladding thickness at the cross-sectional rounded corners of square and rectangular clad bars and at the cross-sectional pointed corners of cambered clad bars, the permissible deviation shall be not less than the lower limit specified in Table 2; for the cladding thickness on the side faces of rectangular clad bars, the permissible deviation shall not exceed the upper limit specified in Table 2 by more than 0.2 mm.
The permissible deviation for the fixed-length of clad bars shall be 0 mm to +6 mm; for multiple-length bars, the cutting allowance at each cut shall be 5 mm, which shall be taken into account.
The straightness of clad bars shall be not greater than 1.2 mm per meter.
The twist of clad bars shall be not greater than 1 mm per meter.
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