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ASTM A513 Mechanical Tubing|Mechanical Tube

ASTM A513 Mechanical Tubing is a set of standards established by the American Society for Testing and Materials (ASTM) that govern the manufacturing and quality requirements for electric-resistance-welded (ERW) carbon and alloy steel tubing.

Description

What is ASTM A513 Mechanical Tubing?

ASTM A513 mechanical tubing is a specification covering electric-resistance-welded (ERW) carbon and alloy steel tubing used for mechanical applications. These tubes are typically used in applications requiring tight tolerances, uniform wall thickness, and high strength. The tubing is manufactured from hot-rolled or cold-rolled steel, and it can be produced in various shapes such as round, square, rectangular, and special shapes. ASTM A513 tubing is commonly used in automotive parts, industrial machinery, agricultural equipment, and other structural applications where precision and strength are essential.

1. ASTM A513 Mechanical Tubing Material Grade:

ASTM A513 covers several grades of carbon and alloy steel tubing, including but not limited to:

Grade 1008/ Grade 1010/ Grade 1020/ Grade 1026/ Grade 4130/ Grade 4140

2. ASTM A513 Mechanical Tubing Chemical Composition (typical values in percentage):

Material Grade

Carbon (C)

Manganese (Mn)

Phosphorus (P)

Sulfur (S)

1008

0.10 max

0.30-0.50

0.040 max

0.050 max

1010

0.08-0.13

0.30-0.60

0.040 max

0.050 max

1020

0.18-0.23

0.30-0.60

0.040 max

0.050 max

1026

0.22-0.28

0.60-0.90

0.040 max

0.050 max

4130

0.28-0.33

0.40-0.60

0.040 max

0.040 max

4140

0.38-0.43

0.75-1.00

0.040 max

0.040 max

3. ASTM A513 Mechanical Tubing Mechanical Properties (minimum values):

Material Grade

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

1008

310

180

30

1010

365

205

30

1020

420

275

25

1026

490

325

21

4130

560

460

20

4140

655

560

15

4. ASTM A513 Mechanical Tubing Delivery Condition:

The tubing is produced by electric resistance welding (ERW), which involves welding the edges of the tube together using electric resistance heating.

Type 1: Hot-rolled, welded, and cold-drawn

Type 2: Cold-rolled, welded, and cold-drawn

Type 5: Mandrel drawn over a plug or mandrel (DOM)

5. ASTM A513 Mechanical Tubing Permissible Variations in Dimensions:

ASTM A513 specifies the permissible variations in outside diameter, wall thickness, and length for mechanical tubing. These variations depend on the size and shape of the tubing and are outlined in the ASTM A513 standard.

6. ASTM A513 Mechanical Tubing Surface Treatment:

ASTM A513 tubing can be provided with a variety of surface finishes, including black, pickled, oiled, or as specified by the customer.

Surface Treatment

Description

Galvanizing

Coating with a layer of zinc for corrosion protection.

Painting or Powder Coating

Application of paint or powder coating for aesthetics and corrosion resistance.

Phosphating

Formation of a protective phosphate layer to enhance corrosion resistance.

Chromate Conversion Coating

Application of a chemical film for corrosion protection.

Anodizing

Formation of an oxide layer on the surface for improved corrosion resistance.

Shot Blasting or Sandblasting

Abrasive cleaning to remove surface contaminants.

Passivation

Treatment with acid solution to remove contaminants and improve corrosion resistance.

7. ASTM A513 Mechanical Tubing Advantages:

ASTM A513 mechanical tubing offers several advantages, such as:

   - High strength and durability

   - Good machinability and weldability

   - Cost-effective compared to other materials

   - Wide range of sizes and shapes available

   - Suitable for various mechanical and structural applications

8. ASTM A513 Mechanical Tubing Applications:

ASTM A513 tubing is commonly used in a range of applications, including but not limited to:

   - Machinery components

   - Automotive parts

   - Construction equipment

   - Agricultural machinery

   - Bicycle frames

   - Furniture

   - Exercise equipment

ASTM A513 Mechanical Tubing

ASTM A513 Mechanical Tubing

 

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