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ASTM A519- Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A519-96(2001) Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

1. Scope

1.1 This specification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables 1-3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.

1.2 This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing in sizes up to and including 12 3/4 in. (323.8 mm) outside diameter for round tubes with wall thicknesses as required.

1.3 The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square, rectangular, and special sections.

1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.

1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

Index Terms

alloy steel tube; carbon steel tube; mechanical tubing; seamless steel tube; steel tube;

Our main products of ASTM A519

Seamless Carbon and Alloy Steel for Mechanical Tubing

Size:16inch-42inch x 10-100mm

Grade: 1010, 1020, 1026, 4130, 4130X, 4140

Seamless Carbon and Alloy Steel Mechanical Tubing

Features Specifications

Grade and Chemical Composition (%)

Mechanical Properties

Material Comparison Tables (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI)

Seamless carbon and Alloy Steel Mechanical Tubing

For mechanical engineering.

For mechanical and pressure use,and also for transporting steam,water,gas and etc.

Size (mm): O.D.: 20∼180 W.T.: 2-30L: max 12000

Seamless carbon and Alloy Steel Mechanical Tubing

Application

For mechanical engineering.

For mechanical and pressure use,and also for transporting steam,water,gas and etc.

]

Alloy Pipe, Seamless tubes, Welded pipe, Pipe fittings

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Grade and Chemical Composition (%)

Grade

C

Mn

P≤

S≤

Si

Cr

Mo

1008

≤0.10

0.30-0.50

0.040

0.050

-

-

-

1010

0.08-0.13

0.30-0.60

0.040

0.050

-

-

-

1018

0.15-0.20

0.60-0.90

0.040

0.050

-

-

-

1020

0.18-0.23

0.30-0.60

0.040

0.050

-

-

-

1025

0.22-0.28

0.30-0.60

0.040

0.050

-

-

-

1026

0.22-0.28

0.60-0.90

0.040

0.050

-

-

-

4130

0.28-0.33

0.40-0.60

0.040

0.050

0.15-0.35

0.80-1.10

0.15-0.25

4140

0.38-0.43

0.75-1.00

0.040

0.050

0.15-0.35

0.80-1.10

0.15-0.25

Mechanical Properties

Grade

Condition

MPa Tenslle Point

Yield Point

Elongation

1020

CW

≥414

≥483

≥5%

SR

≥345

≥448

≥10%

A

≥193

≥331

≥30%

N

≥234

≥379

≥22%

1025

CW

≥448

≥517

≥5%

SR

≥379

≥483

≥8%

A

≥207

≥365

≥25%

N

≥248

≥379

≥22%

4130

SR

≥586

≥724

≥10%

A

≥379

≥517

≥30%

N

≥414

≥621

≥20%

4140

SR

≥689

≥855

≥10%

A

≥414

≥552

≥25%

N

≥621

≥855

≥20%

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