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Carbon Steel Pipe Data

Diameter Tolerances - Seamless And Welded

Nominal Pipe Size Inches	Outside Diameter Tolerances-Inches Or Percent of O.D.
	A120⁽¹⁾		A53		A106		API-5L
	Plus	Minus	Plus	Minus	Plus	Minus	Plus	Minus
¹/₈- 1¹/₂ IPS	O.15"	.031"	.015"	.031"	.015"	.031"	.015"	.031"
2-4 IPS	1%	1%	1%	1%	.031"	.031"	1%	1%
5-8 IPS	1%	1%	1%	1%	.062"	.031"	.75%	.75%
10 IPS-18 OD	1%	1%	1%	1%	.093"⁽²⁾	.031"⁽²⁾	.75%	.75%
20 OD-26 OD	l%	1%	1%	1%	.125"⁽²⁾	.031"⁽²⁾	1%	1%
⁽¹⁾Specification A120 has been discontinued. ⁽²⁾Some mills may require ± 1% of nominal O.D. for sizes over 10í IPS in heavy walls of A 106 pipe.

Wall Tolerances - Seamless

Nominal Pipe Size Inches	Outside Diameter Tolerances-Inches Or Percent of O.D.
	A120⁽¹⁾		A53		A106		API-5L
	Plus	Minus	Plus	Minus	Plus	Minus	Plus	Minus
¹/₈- 2¹/₂ IPS	By Wt.	12.5	By Wt.	12.5	By Wt.	12.5	20.0	12.5
3 IPS	By Wt.	12.5	By Wt.	12.5	By Wi.	12.5	18.0	12.5
3¹/² IPS-26 OD	By Wt.	12.5	By Wt.	12.5⁽²⁾	By Wt.	12.5⁽²⁾	15.0	12.5
⁽¹⁾Specification A120 has been discontinued. ⁽²⁾ Some mills may require ± 12.5% of nominal wall for sizes over 10" IPS in heavy walls of A53 & A106 pipe.

Wall Tolerances - Welded

Nominal Pipe Size Inches	Outside Diameter Tolerances-Inches Or Percent of O.D.
	A120⁽¹⁾		A53		A106		API-5L
	Plus	Minus	Plus	Minus	Plus	Minus	Plus	Minus
¹/₈- 2¹/₂ IPS	By Wt.	12.5	By Wt.	12.5	Available Only As Seamless Pipe		20.0	12.5
3 IPS	By Wt.	12.5	By Wt.	12.5			18.0	12.5
3¹/₂ IPS-18 OD	By Wt.	12.5	By Wt.	12.5			15.0	12.5
20 OD-26 OD	By Wt.	12.5	By Wt.	12.5			17.5	10.0
⁽¹⁾ Specification A120 had been discontinued.

Weight Tolerances - Seamless & Welded

Nominal Pipe Size Inches	Outside Diameter Tolerances-Inches Or Percent of O.D.
	A120⁽¹⁾		A53		A106		API-5L
	Plus	Minus	Plus	Minus	Plus	Minus	Plus	Minus
Standard	10	10	10	10	10	3.5	10	3.5
Extra Strong	10	10	10	10	10	3.5	10	3.5
Dble Extra Strong	10	10	10	10	10	3.5	10	3.5
⁽¹⁾Specification A120 has been discontinued. ⁽²⁾Pipe 4" & under is weighted in conventional lifts, over 4" in individual lengths.

Typical Properties

Grade Designation	Chemistry					Tensile KSI	Yield KSI	Elong. Percent In 2"
Grade Designation	C	Mn	P	S	Si	Tensile KSI	Yield KSI	Elong. Percent In 2"
A1068 Smls.	.30 max	.29-1.06	.048 max	.058 max	.10 min	60 min	35 min	30 min
A53B Smls.	.30 max	1.20 max	.05 max	.06 max	-	60 mm	35 mm	30 min
SLB Smls.	.27 max	1.15 max	.04 max	.05 max	-	60 min	35 min	30 min
A120 Weld.	No Values Specified					No Values Specified

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes.