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PIPE & TUBE ASTM STANDARDS

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ASTM A252-89 

WELDE AND SEAMLESS STEEL PIPE PILES 

This standard is issued under the fixed designation A 252; the number immediately following the designation indicates
the year of original adoption or, in the case of revision, the year of last revision. 

A number in parentheses indicates the year of last reapproval. A superscript epsilon ( ε) indicates an editorial change since the last revision or reapproval.

This specification has been approved for use by agencies of the Department of Defense. 

Consult the DoD Index of Specifications and Standards for specific year of issue which has been adopted by the Department of Defense. 

1.Scope

1.1 This specification covers nominal (average)wall steel pipe piles of cylindrical shape and applies to pipe in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in place concrete piles.

1.2 The values stated in inch-pound units are to be regarded as the standard.

1.3 The following precautionary caveat pertains only to the test method portion, Section 16 of this specification. 

This standard does not purport to address all of the safery problems, if any, associated with its use.
It is the responsi-bility of the user of this standard to establish applicability of regulatory limitations prior to use.

Chemical composition

Grade Mfg. Process Chemical composition(%)
C Si Mn P S Ni Cr Mo Others
Gr. 1 S, W - - - 0.050Max - - - - -
Gr. 2 S, W - - - 0.050Max - - - - -
Gr. 3 S, W - - - 0.050Max - - - - -


Mechanical Properties 

Grade Tensile Test MPa or N/mm2 Remaks (Similar to JIS) Possibility Temperature
Min Yield point Tensile Strength
Gr. 1 205 345Min (STK390)
Gr. 2 240 414Min (STK400)
Gr. 3 310 310Min -


Chemical composition

The steel shall conform to the following requirements as to chemical composition:

  Phosphorus, max, %
Seamless and welded pipe:  
Open-hearth, electric-furnace, or basic
oxygen
0.050

8. Heat Analysis

8.1 An analysis of each heat shall be made by the manufacturer to determine the percentages of the elements 
specified. When requested by the purchaser, the chemical composition thus determimed shall be reported to the
purchaser or his representative and shall conform to the requirements specified.

9. Product Analysis

9.1 Chemical analysis shall be in accordance with Test Methods, Practices, and Terminology A 751. 
9.2 An analysis may be made by the purchaser onsample from lots of pipe piles as follows:

Pipe Size Outside  
Diameter. in. Number of Samples and Size of Lot
Under 14 2 from 200 pipe or fraction therrof
14 to 36. incl 2 from 100 pipe or fraction therrof
Over 36 2 from 300 pipe or fraction therrof



The chemical composition thus determined shall conform to the requirements specified in Section 7.
9.3 If the analysis of either pipe does not conform to the requirements specified in Section 7, 
analysis shall be made on additional pip of double the original number from the same lot, each of 
which shall conform to the requirements specified.

TABLE 1 Tensile Requirements 

  Grade 7 Grade 2 Grade 3
Tensile strength, min, psi (MPa) 50 000(345) 60 000(414) 66 000(455)
Yield strength, min, psi(MPa) 30 000(205)    
Basic minimum elongation for walls 5/16 in. and over in thickness:      
Elongation in 8 in., min, % 18 14  
Elongation in 2in., min, % 30 25 20
For walls less than 5/16 in. in thickness a deduction for each 1/32-in. decrease in wall thickness below 5/16 in. from the basic minimum elongation of the following percentage points 1.50A 1.25A 1.0A

A The following table gives the computed minimum values: 

Wall Thickness, in. Elongation in 2 in.,min, %
Grade 1 Grade 2 Grade 3
5/16 (0.312) 30.00 25.00 20.00
9/32(0.281) 28.50 23.75 19.00
1/4 (0.250) 27.00 22.50 18.00
7/32 (0.219) 25.50 21.25 17.00
3/16 (0.188) 24.00 20.00 16.00
11/64 (0.172) 23.25 19.50 15.50
5/32 (0.156) 22.50 18.75 15.00
9/64 (0.141) 21.75 18.25 14.50
1/8 (0.125) 21.00 17.50 14.00
7/64 (0.109) 20.25 16.75 13.50



NOTE-The above table gives the calculated minimum elongation values for each 1/32-in. decrease in wall thickness. 

Where the wall thickness lies between two values shown above, the minimum elongation value shall be detemined as follows:

Grade  
1 E = 48t + 15.00
2 E = 40t + 12.50
3 E = 32t + 10.00

where: 
E = elongation in 2 in., %, and
t = actual thickness of specimen, in. 

TABLE 2 Common Sizes and Weight Per Foot of Welded and Seamless Steel Pipe PilesA 

Outside Diameter, in. Nominal Thickness, in. Weight per linear Foot
(Plain Ends), IbB
Outside Diameter, in. Nominal Thickness, in. Weight per Linear Foot
(Plain Ends), IbB
6 0.134 8.39 12 0.134 16.98
0.141 8.82 0.141 17.86
0.156 9.74 0.150 18.98
0.164 10.22 0.164 20.73
0.172 10.71 0.172 21.73
0.179 22.60
8 0.141 11.83 0.188 23.72
0.172 14.38 0.203 25.58
0.219 27.55
8 ? 0.109 9.91 0.230 28.91
0.141 12.78 0.250 31.37
0.172 15.53 0.281 35.17
0.188 16.94 0.312 38.95
0.203 18.26
0.219 19.66 12 ¾ 0.109 14.72
0.250 22.36 0.134 18.06
0.277 24.70 0.141 18.99
0.312 27.70 0.150 20.19
0.322 28.55 0.164 22.04
0.344 30.42 0.172 23.11
0.375 33.04 0.179 24.03
0.438 38.30 0.188 25.22
0.500 43.39 0.203 27.20
0.219 29.31
10 0.109 11.51 0.230 30.75
0.120 12.66 0.250 33.37
0.134 14.12 0.281 37.42
0.141 14.85 0.312 41.45
0.150 15.78 0.330 43.77
0.164 17.23 0.344 45.58
0.172 18.05 0.375 49.56
0.179 18.78 0.438 57.59
0.188 19.70 0.500 65.41
0.203 21.24
0.219 22.88 14 0.134 19.84
0.230 24.00 0.141 20.87
0.250 26.03 0.150 22.19
0.164 24.23
10 ¾ 0.109 12.39 0.172 25.40
0.120 13.62 0.179 26.42
0.134 15.19 0.188 27.73
0.141 15.98 0.203 29.91
0.150 16.98 0.219 32.23
0.164 18.54 0.230 33.82
0.172 19.43 0.250 36.71
0.179 20.21 0.281 41.17
0.188 21.21 0.312 45.61
0.203 22.87 0.344 50.17
0.219 24.63 0.375 54.57
0.230 25.84 0.438 63.44
0.250 28.03 0.469 67.78
0.279 31.20 0.500 72.09
0.307 34.24
0.344 38.23 16 0.134 22.71
0.365 40.48 0.141 23.88
0.438 48.24 0.150 25.39
0.500 54.73 0.164 27.74
16 0.172 29.08 20 0.188 39.78
0.179 30.25 0.219 46.27
0.250 52.73
0.188 31.75 0.281 59.18
0.203 34.25 0.312 65.60
0.219 36.91 0.344 72.21
0.230 36.74 0.375 78.60
0.250 42.05 0.438 91.51
0.281 47.17 0.469 97.83
0.312 52.27 0.500 104.13
0.344 57.52
0.375 62.58 22 0.172 40.10
0.438 72.80 0.188 43.80
0.469 77.79 0219 50.94
0.500 82.77 0.250 58.07
0.281 65.18
18 0.141 26.89 0.312 72.27
0.172 32.75 0.375 86.61
0.188 35.76 0.438 100.86
0.219 41.59 0.469 107.85
0.230 43.65 0.500 114.81
0.250 47.39
0.281 53.18 24 0.172 43.77
0.312 58.94 0.188 47.81
0.344 64.87 0.219 55.62
0.375 70.59 0.250 63.41
0.438 82.15 0.281 71.18
0.469 87.81 0.312 78.93
0.500 93.45 0.375 94.62
0.438 110.22
20 0.141 29.91 0.469 117.86
0.172 36.2 0.500 125.49


A Sizes and weights amaller or greater than or intermediate to those listed may be furmished by special agreement 
between the manufacturer and the purchaser.

B 1 Ib/ft = 1.49kg/m.

16.3 If any test specimen shows defective machining or develops flaws, it may be discarded and another specimen substituted.


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

ASTMSTANDARD UNS NO. KOREA/JAPANES GERMAN BRITISH FRENCH ITALIAN
KS/JIS Symbol KS/JIS Numbe Remarks DIN Type DIN Number Materiral Number Remarks B.S Number B.S Grade Remarks AFNOR Type NF Number Ramarks UNI Type UNI Number Ramarks

A 252

Welded and Seamless Pipe

(3) (3) (3) (3) (3)

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