ASTM A53 Grade B Schedule 40 Seamless Pipe Welded Pipe Specification

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Update time : 2026-04-02 10:04:24

  ASTM A53 Grade B Seamless Pipe is a carbon steel pipe that comes under the ASTM A53 specification. The pipes range in dimensions according to the ASTM, ASME and API standards. The sizes of the pipes range from ½ inches to 36 inches in nominal bore sizes.

  Shengtian Group is a leading manufacturer and supplier of the Schedule 40 SA53 GRB Seamless Pipe, welded pipe and electric resistance welded pipe types.Email : pipe@stpipefitting.cn

  Schedule 40 Sa53 GRB Seamless Pipe Specification Table

Specifications ASTM A53 ASME SA53
Dimensions ASTM, ASME and API
Size 1/2” NB to 36” NB
Thickness 3-12mm
Schedules SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Type Seamless / ERW / Welded / Fabricated
Form Round, Hydraulic Etc
Length Min 3 Meters, Max18 Meters, or according to customer’s requirement
End Plain End, Beveled End, Treaded

  Sizes of Carbon Steel ASTM A53 Grade B Welded Pipe

NB Size OD 40S 5S 10S S10 S20 S40 S60 XS/80S S80 S100 S120 S140 S160 XXS
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm
1/8” 10.29 1.2 1.73 2.41
1/4” 13.72 1.7 2.24 3.02
3/8” 17.15 1.7 2.31 3.2
15 1/2” 21.34 2.8 1.7 2.1 2.77 3.73 3.73 4.78 7.47
20 3/4” 26.67 2.9 1.7 2.1 2.87 3.91 3.91 5.56 7.82
25 1” 33.4 3.4 1.7 2.8 3.38 4.55 4.55 6.35 9.09
32 1 1/4” 42.16 3.6 1.7 2.8 3.56 4.85 4.85 6.35 9.7
40 1 1/2” 48.26 3.7 1.7 2.8 3.68 5.08 5.08 7.14 10.2
50 2” 60.33 3.9 1.7 2.8 3.91 5.54 5.54 9.74 11.1
65 2 1/2” 73.03 5.2 2.1 3.1 5.16 7.01 7.01 9.53 14
80 3” 88.9 5.5 2.1 3.1 5.49 7.62 7.62 11.1 15.2
90 3 1/2” 101.6 5.7 2.1 3.1 5.74 8.08 8.08
100 4” 114.3 6 2.1 3.1 6.02 8.56 8.56 11.1 13.5 17.1
125 5” 141.3 6.6 2.8 3.4 6.55 9.53 9.53 12.7 15.9 19.1
150 6” 168.3 7.1 2.8 3.4 7.11 10.97 11 14.3 18.3 22
200 8” 219.1 8.2 2.8 3.8 6.4 8.18 10.3 12.7 12.7 15.1 19.3 20.6 23 22.2
250 10” 273.1 9.3 3.4 4.2 6.4 9.27 12.7 12.7 15.1 19.3 21.4 25.4 28.6 25.4
300 12” 323.9 9.5 4 4.6 6.4 10.3 14.3 12.7 17.5 21.4 25.4 28.6 33.3 25.4
350 14” 355.6 9.5 4 4.8 6.4 7.9 11.1 15.1 12.7 19.1 23.8 27.8 31.8 35.7
400 16” 406.4 9.5 4.2 4.8 6.4 7.9 12.7 16.7 12.7 21.4 26.2 31 36.5 40.5
450 18” 457.2 9.5 4.2 4.8 6.4 7.9 14.3 19.1 12.7 23.8 29.4 34.9 39.7 45.2
500 20” 508 9.5 4.8 5.5 6.4 9.5 15.1 20.6 12.7 26.2 32.5 38.1 44.5 50
550 22” 558.8 9.5 4.8 5.5 6.4 9.5 22.2 12.7 28.6 34.9 41.3 47.6 54
600 24” 609.6 9.5 5.5 6.4 6.4 9.5 17.5 24.6 12.7 31 38.9 46 52.4 59.5
650 26” 660.4 9.5 7.9 13 12.7
700 28” 711.2 9.5 7.9 13 12.7
750 30” 762 9.5 6.4 7.9 7.9 13 12.7
800 32” 812.8 9.5 7.9 13 17.5 12.7
850 34” 863.6 9.5 7.9 13 17.5 12.7
900 36” 914.4 9.5 7.9 13 19.1 12.7

  ASTM A53 Grade B Pipe Weight Thickness

ASTM A53 Grade B Pipes Types Out diameter Wall thickness Length
ASTM A53 Grade B Seamless Pipes (Custom Sizes) 1/2" NB - 60" NB SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 Custom
ASTM A53 Grade B Welded Pipes (in Stock + Custom Sizes) 1/2" NB - 24" NB As per requirement Custom
SA53 gr b ERW (Custom Sizes) 1/2" NB - 24" NB As per requirement Custom
ASTM A53 Grade B SAW Pipes 16" NB - 100" NB As per requirement Custom

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