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A53 Gr.A or B seamless pipe

Standard: ASTM A53

Mechanical Properties

ASME SA106/A53 Gr.A/B/C Seamless Steel Pipe
API 5L/ASTM A106 / ASTM A53 Gr.A/B/C
OD Size: 1/8" - 24"

Standard	Grade	（MPa）	（MPa）
Standard	Grade	Yield strength	Tensile Strength
ASTM A53M	A	205	330
ASTM A53M	B	240	415

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	V	Ni	Cu	Cr	Mo
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max	Max
ASTM A53M	A	0.25	0.95	0.05	0.045	0.08	0.4	0.5	0.4	0.15
ASTM A53M	B	0.30	1.20	0.05	0.045	0.08	0.4	0.5	0.4	0.15

ASTM A53 Grade B Carbon Steel ERW Welded Threaded Pipe Nipples

Pipe Wall Weight Schedule -20 to

Size Thickness Class No. 100 200 300 400 500 600 650

0.068 STD 40 2510 2510 2510 2510 2375 2170 2135

0.095 XS 80 4655 4655 4655 4655 4400 4025 3960

0.088 STD 40 2030 2030 2030 2030 1920 1755 1725

0.119 XS 80 3845 3845 3845 3845 3635 3325 3270

0.091 STD 40 1745 1745 1745 1745 1645 1505 1480

0.126 XS 80 3385 3385 3385 3385 3200 2930 2880

0.109 STD 40 1515 1515 1515 1515 1430 1310 1285

0.147 XS 80 2925 2925 2925 2925 2765 2530 2485

0.113 STD 40 1315 1315 1315 1315 1245 1135 1120

0.154 XS 80 2515 2515 2515 2515 2380 2175 2140

0.133 STD 40 1170 1170 1170 1170 1105 1015 995

0.179 XS 80 2235 2235 2235 2235 2115 1935 1900

0.140 STD 40 1045 1045 1045 1045 990 905 890

0.191 XS 80 1975 1975 1975 1975 1865 1705 1675

0.145 STD 40 990 990 990 990 935 855 840

0.200 XS 80 1860 1860 1860 1860 1755 1605 1580

0.154 STD 40 900 900 900 900 850 775 765

0.218 XS 80 1700 1700 1700 1700 1610 1470 1445

0.203 STD 40 885 885 885 885 835 765 750

0.276 XS 80 1640 1640 1640 1640 1550 1420 1395

0.216 STD 40 830 830 830 830 785 720 705

0.300 XS 80 1545 1545 1545 1545 1460 1335 1310

0.226 STD 40 800 800 800 800 755 690 680

0.318 XS 80 1480 1480 1480 1480 1395 1280 1255

0.237 STD 40 780 780 780 780 735 675 660

0.337 XS 80 1435 1435 1435 1435 1355 1240 1220

NOTES:

1). The allowable working pressures were calculated based on formulas and allowable stress as specified in the

ASME B31.3 Process Piping Code.

2). Considerations were taken into account for the wall thickness material removed by threading.

3). No allowances were made for corrosion, erosion, mechanical loads, and/or bending moments.

4). Allowable working pressures listed are non-shock working pressures.

5). For temperatures and working pressures above those listed consult the end users piping engineer.

6). This information is to be used as a reference guide only. Specifying the correct pipe schedule and pressure class

of fitting depends on many different factors. Therefore, it is the ultimate responsibility of the end user's piping engineer

to specify the correct pipe schedule and pressure class of fitting that will safely work in his intended application.

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