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Beryllium Copper C17200 Rod Manufacturer and Supplier in India

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Beryllium Copper C17200 Rod is a copper alloy round bar with high strength, good conductivity, fatigue resistance, wear resistance and suitable for making parts that require these properties. C17200, also known as Alloy 25, CDA 172, CuBe2 and DIN 2.1247, contains about 1.80 to 2.00 percent beryllium and gains its strength from age hardening. Rod is supplied solution annealed or hardened to ASTM B196 and ASME SB196 for machining and fabrication. It reaches about 1550 MPa tensile strength and up to HRC 45, depending on temper. It is widely adopted for resistance welding, aerospace, electrical, tooling and oil and gas components. Sachin Steel is a reputed Manufacturer and Supplier of Beryllium Copper C17200 Rod in India with precision quality material for challenging applications.

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Table Of Content

Technical Data

Specifications of Beryllium Copper C17200 Rod

Parameter

Specification Details

Alloy Grade

UNS C17200 / Alloy 25 / CDA 172 / CuBe2 / DIN 2.1247

Governing Standards

ASTM B196 / B196M, ASME SB196; AMS 4650, AMS 4651 (where certified); ASTM B249 (General Requirements & Tolerances)

Resistance Welding Spec

RWMA Class 4 (for fully age-hardened condition)

Beryllium Content

1.80% to 2.00% Be

Diameter Range

3 mm to 150 mm (larger forged round sections available on request)

Tempers Supplied

Solution Annealed: TB00 (A)
Cold Drawn: TD01 (1/4 H), TD02 (1/2 H), TD04 (H)
Age Hardened: TF00 (AT), TH04 (HT)
Mill Hardened: TM series

Length Options

Standard 1 to 3 meter random lengths, fixed cut lengths, custom precision bandsaw cut billets

Surface Finish

Black hot worked, bright cold drawn, centreless ground, turned / peeled

Density

Annealed: 8.25 g/cm³ (0.298 lb/in³)
Age Hardened: 8.36 g/cm³ (0.302 lb/in³)

Certification

EN 10204 3.1 Mill Test Certificate per lot; PMI report, Ultrasonic Inspection report on request

Chemical Composition of Beryllium Copper C17200 Rod

Element

Minimum (%)

Maximum (%)

Beryllium (Be)

1.80

2.00

Cobalt + Nickel (Co + Ni)

0.20

—

Cobalt + Nickel + Iron (Co + Ni + Fe)

—

0.60

Silicon (Si)

—

0.20

Aluminum (Al)

—

0.20

Iron (Fe)

—

0.10

Lead (Pb)

—

0.02

Copper (Cu)

Balance

Balance

Mechanical Properties of Beryllium Copper C17200 Rod

Temper Code

Standard Condition Label

Tensile Strength (MPa / ksi)

Yield Strength 0.2% (MPa / ksi)

Elongation (%)

Hardness Range

TB00

Solution Annealed (A)

410–540 / 60–78

190–275 / 28–40

35–60%

HRB 45–78

TD01

1/4 Hard Cold Drawn (1/4 H)

515–650 / 75–94

415–550 / 60–80

10–35%

HRB 75–88

TD02

1/2 Hard Cold Drawn (1/2 H)

585–725 / 85–105

515–650 / 75–94

5–25%

HRB 88–96

TD04

Full Hard Cold Drawn (H)

690–830 / 100–120

510–620 / 74–90

2–10%

HRB 96–102

TF00

Age Hardened from TB00 (AT)

1140–1345 / 165–195

960–1170 / 140–170

3–10%

HRC 36–41

TH04

Age Hardened from TD04 (HT)

1310–1550 / 190–225

1100–1310 / 160–190

1–4%

HRC 41–45

TM Series

Mill Hardened (Pre-aged)

850–1150 / 123–167

700–1000 / 100–145

5–18%

HRC 26–37

Equivalent Grades of Beryllium Copper C17200 Rod

Country / System

Grade Designation

Applicable Rod & Bar Standard

USA (UNS / CDA)

UNS C17200 / CDA 172 / Alloy 25

ASTM B196, ASME SB196, AMS 4650, AMS 4651

Resistance Welding

RWMA Class 4

RWMA Standards for High-Strength Electrodes

ISO System

CuBe2

ISO designation CuBe2

European Union (EN)

CuBe2 / CW101C

EN 12163 (Copper and copper alloys - Rod for general purposes)

Germany (DIN)

CuBe2 / 2.1247

DIN 17666 (Superseded by EN 12163)

Japan (JIS)

C1720

JIS H3270 (Beryllium Copper Alloy Rods and Bars)

United Kingdom (BS)

CB101

BS 2874 (Copper Alloy Rods and Sections)

China (GB)

QBe2

GB/T 5231 / GB/T 13808

Russia (GOST)

BrB2

GOST 18175

Physical Properties of Beryllium Copper C17200 Rod

Physical Property

Metric Value

Imperial Value

Density (Solution Annealed)

8.25 g/cm³

0.298 lb/in³

Density (Age Hardened)

8.36 g/cm³

0.302 lb/in³

Melting Range

865°C to 980°C

1590°F to 1800°F

Modulus of Elasticity (Tension)

128 GPa

18.5 × 106 psi

Modulus of Rigidity (Shear)

50 GPa

7.3 × 106 psi

Poisson’s Ratio

0.30

0.30

Electrical Conductivity (Annealed)

15% to 19% IACS

15% to 19% IACS

Electrical Conductivity (Age Hardened)

22% IACS Minimum

22% IACS Minimum

Thermal Conductivity (20°C, Aged)

105 W/m·K

60.7 BTU/ft·h·°F

Coefficient of Thermal Expansion (20–200°C)

17.0 × 10−6 /°C

9.4 × 10−6 /°F

Machinability Index (Free Cutting Brass C36000 = 100)

~20%

~20%

Magnetic Permeability

< 1.004 (Virtually Non-Magnetic)

< 1.004

Diameter and Weight Chart of Beryllium Copper C17200 Rod

Diameter (mm)

Diameter (Inches)

Weight (kg/m)

Weight (lbs/ft)

3 mm

0.118 in

0.058 kg

0.039 lbs

4 mm

0.157 in

0.104 kg

0.070 lbs

5 mm

0.197 in

0.162 kg

0.109 lbs

6 mm

0.236 in

0.233 kg

0.157 lbs

8 mm

0.315 in

0.415 kg

0.279 lbs

10 mm

0.394 in

0.648 kg

0.435 lbs

12 mm

0.472 in

0.933 kg

0.627 lbs

16 mm

0.630 in

1.659 kg

1.115 lbs

20 mm

0.787 in

2.592 kg

1.742 lbs

25 mm

0.984 in

4.050 kg

2.721 lbs

30 mm

1.181 in

5.832 kg

3.919 lbs

40 mm

1.575 in

10.367 kg

6.966 lbs

50 mm

1.969 in

16.199 kg

10.885 lbs

60 mm

2.362 in

23.326 kg

15.675 lbs

75 mm

2.953 in

36.447 kg

24.492 lbs

100 mm

3.937 in

64.795 kg

43.540 lbs

125 mm

4.921 in

101.243 kg

68.032 lbs

150 mm

5.906 in

145.790 kg

97.966 lbs

Applications and Industrial Uses of Beryllium Copper C17200 Rod

  • Resistance Welding Electrodes
  • Plastic Injection Mould Cores
  • Aerospace Landing Gear Bushings
  • Oil and Gas Downhole Tools
  • Electrical Connector Components
  • Switchgear Contact Components
  • Non-Sparking Hand Tools
  • Automotive Electrical Components
Application Industries

Frequently Asked Questions

Beryllium Copper C17200 Rod is a high-strength copper alloy round bar offering excellent strength, conductivity, fatigue resistance, and wear resistance.

UNS C17200 is also known as Alloy 25, CDA 172, CuBe2, and DIN 2.1247.

Yes, C17200 Rod can be precipitation hardened through solution treatment and aging to increase its strength and hardness.

Common C17200 Rod tempers include solution-annealed, cold-worked, and precipitation-hardened conditions.

Depending on the temper and heat treatment, C17200 Rod can achieve tensile strength up to approximately 1550 MPa.

Yes, C17200 Beryllium Copper Rod is generally non-magnetic and provides non-sparking properties.

Yes, C17200 Rod can be machined, particularly in its solution-annealed condition, using suitable machining practices.

Sachin Steel Centre supplies C17200 rod from 3 mm to 150 mm in random lengths of 1 to 3 metres, fixed cut lengths and bandsaw cut billets. For larger sizes, see our Round Bar page.

Weight in kg per metre equals 0.00648 multiplied by the diameter in mm squared. A 10 mm rod weighs about 0.648 kg per metre.

Yes. Fully age hardened C17200 meets RWMA Class 4, which is used for high strength welding electrodes and holders.

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