ASTM B88 Pipes WILKO ® KOREA

Copper Pipes and Tubings

ASTM B88 Pipes WILKO ® KOREA

Specifications

  • ASTM B88

Summary

  • WILKO ASTM B88 Pipes are Standard Specification for Seamless Copper Water Tube. Pipes come in three basic dimensions designated as Type K, L, and M, Type K being the thickest walled.
  • These pipes are manufactured using pure copper deoxidized with phosphorus, leaving relatively high residual phosphorus content. These straight pipes are mostly available in hard drawn temper only.
  • Very popular in Commercial, Residential and Industrial plumping applications.
  • WILKO ASTM B88 Pipes are made of top quality material and are hydrostatically tested to ensure optimum performance under maximum test pressure. 

Introduction:

ASTM B88 sets the standard for seamless copper water tube, commonly used in plumbing, heating, and other fluid distribution applications. This specification covers various types of copper tubes, specifying their dimensions, tolerances, chemical compositions, and permissible variations from specified dimensions. Understanding ASTM B88 is crucial for manufacturers, engineers, and professionals in industries where copper tubes are extensively utilized.


Types of Copper Tubes Covered:

ASTM B88 encompasses a wide range of copper tubes, including Type K, L, M, DWV (drainage, waste, and vent), and medical gas tubes. Each type has specific characteristics suited for different applications:
  1. Type K: This type features the thickest wall and is commonly used for underground installations, such as water mains and service lines.
  2. Type L: Type L tubes have a medium wall thickness, making them suitable for above-ground applications, including water distribution systems and heating systems.
  3. Type M: Type M tubes have the thinnest walls and are typically used in residential and light commercial plumbing where pressures are relatively low.
  4. DWV: Primarily used for drainage, waste, and vent systems in buildings.
  5. Medical Gas Tubes: Specifically designed and cleaned for medical gas distribution systems, ensuring purity and safety in healthcare facilities.

Key Specifications:

  • Dimensions: ASTM B88 specifies the nominal sizes, outside diameters, wall thicknesses, and lengths of copper tubes. These dimensions vary depending on the type and application of the tube.
  • Tolerances: The standard outlines acceptable variations in dimensions, ensuring uniformity and quality in manufacturing.
  • Chemical Composition: ASTM B88 mandates the chemical composition of the copper used in manufacturing tubes, ensuring they meet specific purity and quality standards. Copper, as the primary material, should meet certain requirements for composition and impurity levels.
  • Testing and Quality Control: The specification includes requirements for testing methods to verify compliance with dimensional, chemical, and mechanical properties. These tests are crucial for maintaining quality and consistency in production.

Benefits of ASTM B88 Copper Tubes:

  1. Corrosion Resistance: Copper exhibits excellent corrosion resistance, making ASTM B88 tubes suitable for both indoor and outdoor applications, even in harsh environments.
  2. Longevity: Copper tubes are known for their durability and longevity, providing reliable performance over many years of service.
  3. Versatility: With different types available, ASTM B88 copper tubes cater to a wide range of applications, from residential plumbing to industrial installations.
  4. Ease of Installation: Copper tubes are relatively easy to work with, allowing for straightforward installation, bending, and joining techniques.

Conclusion:

WILKO ASTM B88 copper tubes play a vital role in various industries due to their reliability, durability, and versatility. By adhering to the standards outlined in ASTM B88, WILKO ensures that their copper tubes meet the required specifications, offering peace of mind to engineers, contractors, and end-users. Whether it's for potable water systems, heating applications, or medical gas distribution, WILKO ASTM B88 copper tubes provide a robust and dependable solution for fluid conveyance needs.


Share
  • 6 mtr Hard Drawn 
  • Type K 
  • Type L 
  • Type M

Nominal Size

Actual Size

Outside Diameter

Wall Thickness

Rated Internal Working Pressure, (psi)

Temper : Drawn

Mm

Tolerance (inch)

inch

mm

Tolerance (inch)

Service Temp Up to 93 C

S : 9000 psi

Service Temp Up to 204 C

S : 8700 psi

1/4"

3/8"

9.52

0.001

0.035

0.89

0.0035

2029

771

3/8"

1/2"

12.7

0.001

0.049

1.24

0.005

2135

811

1/2"

5/8"

15.9

0.001

0.049

1.24

0.005

1683

640

5/8"

3/4"

19.1

0.001

0.049

1.24

0.005

1389

528

3/4"

7/8"

22.2

0.001

0.065

1.65

0.006

1609

611

1"

1-1/8"

28.6

0.0015

0.065

1.65

0.006

1236

470

1-1/4"

1-3/8"

34.9

0.0015

0.065

1.65

0.006

1003

381

1-1/2"

1-5/8"

41.3

0.002

0.072

1.83

0.007

933

355

2"

2-1/8"

54.0

0.002

0.083

2.11

0.008

820

312

2-1/2"

2-5/8"

66.7

0.002

0.095

2.41

0.01

751

285

3"

3-1/8"

79.4

0.002

0.109

2.77

0.011

579

527

3-1/2"

3-5/8"

92.1

0.002

0.120

3.05

0.012

549

500

4"

4-1/8"

104.8

0.002

0.134

3.40

0.013

540

492

5"

5-1/8"

130.2

0.002

0.160

4.06

0.016

517

471

6"

6-1/8"

155.6

0.002

0.192

4.88

0.019

201

474


Application


  • Copper tubes of Type K are thick walled, much thicker than type L and M and are used for underground residential, commercial and industrial uses.
  • Copper tubes of type K can be used sweat, flared and compression fittings.
  • Some specific uses include domestic water-service and distribution, fire protection, solar, fuel and oil, HVAC, compressed air, oxygen, LPG gas, snow melting, steam and vacuum systems.


Nominal Size

Actual Size

Outside Diameter

Wall Thickness

Rated Internal Working Pressure, (psi)

Temper : Drawn

mm

Tolerance (inch)

Inch

mm

Tolerance (inch)

Service Temp Up to 93 C

S : 9000 psi

Service Temp Up to 204 C

S : 8700 psi

1/4"

3/8"

9.52

0.001

0.030

0.76

0.003

1722

654

3/8"

1/2"

12.7

0.001

0.035

0.89

0.004

1471

559

1/2"

5/8"

15.9

0.001

0.040

1.02

0.004

1362

518

5/8"

3/4"

19.1

0.001

0.042

1.07

0.004

1192

453

3/4"

7/8"

22.2

0.001

0.045

1.14

0.004

1099

418

1"

1-1/8"

28.6

0.0015

0.050

1.27

0.005

933

355

1-1/4"

1-3/8"

34.9

0.0015

0.055

1.40

0.006

828

315

1-1/2"

1-5/8"

41.3

0.002

0.060

1.52

0.006

771

293

2"

2-1/8"

54.0

0.002

0.070

1.78

0.007

686

261

2-1/2"

2-5/8"

66.7

0.002

0.080

2.03

0.008

633

241

3"

3-1/8"

79.4

0.002

0.090

2.29

0.009

476

520

3-1/2"

3-5/8"

92.1

0.002

0.100

2.54

0.01

456

415

4"

4-1/8"

104.8

0.002

0.114

2.79

0.011

440

401

5"

5-1/8"

130.2

0.002

0.125

3.18

0.012

404

368

6"

6-1/8"

155.6

0.002

0.140

3.56

0.014

376

343


Application

  • Standard copper tubes of type L are used for residential and commercial uses.
  • Some specific uses include interior above ground plumbing, domestic water, service and distribution, fire protection, solar, fuel and oil, HVAC, compressed air, LPG gas, snow melting and vacuum systems.
  • Copper tubes of type L can be used with sweat, compression and flare fittings.

Nominal Size

Actual Size

Outside Diameter

Wall Thickness

Rated Internal Working Pressure, (psi)

Temper : Drawn

mm

Tolerance (inch)

Inch

mm

Tolerance (inch)

Service Temp Up to 93 C

S : 9000 psi

Service Temp Up to 204 C

S : 8700 psi

3/8”

1/2”

12.7

0.001

0.025

0.64

0.002

1077

409

1/2”

5/8”

15.9

0.001

0.028

0.71

0.003

932

354

3/4"

7/8”

22.2

0.001

0.032

0.81

0.003

769

292

1”

1-1/8”

28.6

0.0015

0.035

0.89

0.004

636

242

1-1/4”

1-3/8”

34.9

0.0015

0.042

1.07

0.004

638

242

1-1/2”

1-5/8”

41.3

0.002

0.049

1.24

0.005

625

238

2”

2-1/8”

54.0

0.002

0.058

1.47

0.006

563

214

2-1/2”

2-5/8”

66.7

0.002

0.065

1.65

0.006

517

196

3”

3-1/8”

79.4

0.002

0.072

1.83

0.007

380

346

3-1/2”

3-5/8”

92.1

0.002

0.083

2.11

0.008

378

344

4”

4-1/8”

104.8

0.002

0.095

2.41

0.01

377

343

5”

5-1/8”

130.2

0.002

0.109

2.77

0.011

349

318

6”

6-1/8”

155.6

0.002

0.122

3.01

0.012

328

299


Application

  • Copper tubes of type M are used for sub-structure applications for residential and light-duty commercial uses.
  • Some specific uses include interior domestic water, fire protection, solar, fuel and oil, HVAC, snow melting and vacuum systems.
  • Wall thickness is less than copper tubes of type K and L.
  • Chilled water mains.
  • Above ground water distribution systems and services.
  • For water heating and low-pressure steam, use Type M for all sizes.
  • Alloy C12200 min 99.9% copper
  • Phosphorus 0.015- 0.040%
  • Melting Point: 1083oC (1981oF)
  • Thermal Expansion: 0.117mm/10oC.m (0.00118inch/10oF)
  • Modulus of Elasticity: 2.46 x 106 psi (17000MPa)

WILKO copper pipe is manufactured using only the highest grade phosphorus deoxidized copper (DHP) complying with UNS 12200. Combined with modern extrusion technology, the seamless pipes are produced in KOREA to meet stringent demands in plumbing, air conditioning and refrigeration applications. Engineered to the exact specifications exceeding even the highest standards of performance, WILKO copper pipes offer superior products ideal for commercial, industrial and domestic usage

  • WILKO copper pipes are of the highest quality and manufactured to the strictest standards.
  • Positive material identification (PMI) test conducted on every WILKO import.
  • Seamless structure facilitates maximum flow with minimum internal resistance.
  • Full length of 6 meters and each pipe is capped at both ends to ensure cleanliness during delivery. Also available in pancake coils of 15mtr per vacuum pack.
  • Storage – each pipe is permanently stored indoors, minimising oxidisation and ensuring cleanliness prior to sale.
  • Resistant to ultra-violet exposure. Pipes will not degrade as a result of exposure to sunlight.
  • Non-flammable and impervious. Environmentally friendly.

Fabrication Properties

Cold working capacity

Very good

Riveting and peening

Very good

Thread rolling

Very good

Bending

Very good

Cold heading

Very good

Hot working capacity

Very good

Hot forging rating

Good

Hot working temperature

750°C-875°C

Annealing temperature

375°C-650°C

Stress relieving temperature

175°C

Joining properties

Soft soldering

Very good

Silver soldering

Good

Brazing

Good

Oxy-acetylene welding

Not recommended

Carbon arc welding

Fair

Gas shielded arc welding

Fair

Coated metal arc welding

Not recommended

Resistance welding-spot

Not recommended

Resistance welding-seam

Not recommended

Resistance welding-butt

Good

Corrosion resistance

Industrial atmosphere

Very good

Urban atmosphere

Very good

Marine atmosphere

Very good

Sea water

Good

Drinking water

Very good

Enquiry Form