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ASTM A252 GR.3 Structural Steel Pipe Piles Carbon Steel Pipe Specifications

May 15, 2025

ASTM A252 Pipe Sizes

Nominal
Pipe Size		 Outside
Diameter
(mm)		 Common Sizes
NPS OD
6 152.4 3.40 3.58 3.96 4.17 4.37 – – – – – – – – – – – – – –
8 203.2 3.58 4.37 – – – – – – – – – – – – – – – – –
8 5/8 219.1 2.77 3.58 4.37 4.78 5.16 5.56 6.35 7.04 7.92 8.18 8.74 9.53 11.13 12.7 – – – – –
10 254.0 2.77 3.05 3.4 3.58 3.81 4.17 4.37 4.55 4.78 5.16 5.56 5.84 6.35 – – – – – –
10 3/4 273.1 2.77 3.05 3.4 3.58 3.81 4.17 4.37 4.55 4.78 5.16 5.56 5.84 6.35 7.09 7.8 8.74 9.27 11.13 12.7
12 304.8 3.40 3.58 3.81 4.17 4.37 4.55 4.78 5.16 5.56 5.84 6.35 7.14 7.92 – – – – – –
12 3/4 323.9 2.77 3.40 3.58 3.81 4.17 4.37 4.55 4.78 5.16 5.56 5.84 6.35 7.14 7.93 8.38 8.74 9.53 11.13 12.7
14 355.6 3.40 3.58 3.81 4.17 4.37 4.55 4.78 5.16 5.56 5.84 6.35 7.14 7.93 8.87 9.53 11.13 11.91 12.7 –
16 406.4 3.40 3.58 3.81 4.17 4.37 4.55 4.78 5.16 5.56 5.84 6.35 7.14 7.93 8.87 9.53 11.13 11.91 12.7 –
18 457.2 3.58 4.37 4.78 5.56 5.84 6.35 7.14 7.93 8.74 9.53 11.13 11.91 12.7 – – – – – –
20 508.0 3.58 4.37 4.78 5.56 6.35 7.14 7.93 8.87 9.53 11.13 11.91 12.7 – – – – – – –
22 558.8 4.37 4.78 5.56 6.35 7.14 7.93 9.53 11.13 11.91 12.70 – – – – – – – – –
24 609.6 4.37 4.78 5.56 6.35 7.14 7.93 9.53 11.13 11.91 12.70 – – – – – – – – –

ASTM A252 Steel Pipe Pile Chemical Composition:

Composition, %

 C, max Si, max Mn, max P, max S, max

Grade 1

0.26

 0.45 1.6 0.05 0.03
Grade 2
 0.26 0.45 1.6 0.05 0.03
Grade 3
 0.26 0.45 1.6 0.05 0.03

The steel shall contain no more than 0.050% phosphorous.

 

ASTM A252 Piling Pipe Mechanical properties:

Mechanical Property

Grade 1

Grade 2

Grade 3

Minimum Yield strength ReH MPa

205

240

310

Tensile strength Rm MPa

345

415

455

Minimum elongation A %

30

25

20
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