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Technical Specification

Home Products Steel Pipes & Tubes M.S. Pipes International Standard ASTM A - 53 GR. A&B SCH.40

International Standard ASTM A - 53 GR. A&B SCH.40

Technical Data of Steel Tubes conforming to ASTM A - 53 GR. A & B SCH. 40

NPS Designator

DN Designator

Outside diameter
Inch. (mm)

Nominal wall thickness
Inch. (mm)

Nominal weight (mass) per
Unit length plain end,
Lb / ft (Kg/mtr)

Test pressure (kpa)

Grade A

Grade B

0.840(21.3)

0.109(2.77)

0.85(1.27)

4800

1.050(26.7)

0113(2.87)

1.13(1.69)

4800

1.315(33.4)

0.133(3.38)

1.68(2.50)

4800

1¼

1.660(42.2)

0.140(3.56)

2.27(3.39)

8300

9000

1½

1.900(48.3)

0.145(3.68)

2.72(4.05)

8300

9000

2.375(60.3)

0.154(3.91)

3.66(5.44)

15900

17200

2½

2.875(73.0)

0.203(5.16)

5.80(8.63)

17200

3.500(88.9)

0.216(5.49)

7.58(11.29)

15300

17200

100

4.500(114.3)

0.237(6.02)

10.80(16.07)

13100

15200

125

5.563(141.3)

0.258(6.555)

14.63(21.77)

11500

13400

150

6.625(168.3)

0.280(7.11)

18.99(28.26)

10500

12300

200

8.625(219.1)

0.322(8.18)

28.58(42.55)

9200

10800

250

10.750(273.0)

0.365(9.27)

40.52(60.29)

8400

9900

300

12.750(323.8)

0.406(10.31)

53.57(79.70)

7900

9200

350

14.000(355.6)

0.438(11.13)

63.50(94.55)

7800

9000

400

16.000(406.4)

0.500(12.70)

82.85(123.30)

7700

9000

Tolerances & Properties

Tolerance on outside Diameter, Wall Thickness, Weight & Length of Pipe

ASTM Std. A53 Welded Steel Pipes and Seamless Steel Pipes
Available Sizes ( Dimensions and Weights)

NPS Designator	Outside Diameter		Wall thickness		Weight Class	Schedule No.	Weight
NPS Designator	In	mm	In	mm	Weight Class	Schedule No.	Lb / ft	Kg/ft	Kg/m
8	8.625	219.1	0.188	4.78	-	-	16.94	7.69	25.26
			0.203	5.16	-	-	18.26	8.29	27.22
			0.219	5.56	-	-	19.66	8.93	29.28
			0.250	6.35	-	20	22.36	10.15	33.31
			0.277	7.04	-	30	24.70	11.21	36.31
			0.312	7.92	-	-	27.70	12.58	41.24
			0.322	8.18	STD	40	28.55	12.96	42.55
			0.344	8.74	-	-	30.42	13.81	45.34
			0.375	9.52	-	-	33.04	15.00	49.20
			0.406	10.31	-	60	35.64	16.18	53.08
			0.438	11.13	-	-	38.30	17.39	57.08
			0.500	12.70	XS	80	43.39	19.70	64.64
			0.594	15.09	-	100	50.95	23.13	75.92
			0.719	18.26	-	120	60.71	27.56	90.44
			0.812	20.62	-	140	67.76	30.76	100.92
			0.875	22.22	XXS	-	72.42	32.88	107.88
			0.906	23.01	-	160	74.69	33.91	111.27

Product Range

STEEL PIPES & TUBES

STRUCTURAL STEEL PIPES & TUBES
Square Steel Pipes | Scaffolding Pipes & Tubes | Rectangular Pipes & Tubes | Hollow Sections

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Corporate Office (Head Office)

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New Delhi-110048 (INDIA)

+91-11-41637397, +91-11-29221350

DIRECTOR
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