• Specification of A53:Pipe, Steel, Blackand Hot-Dipped,Zinc-Coated, Seamless
•Material: ASTM A53 Grade B
• Dimension:ASME B36.10
• End connection: Plain / Bevelled / NPT threaded
•Surface: Bare / Black paint / Hot-dip galvanized coating
• Hydrostatic test: ASTM A53
• NDT testing: ASTM E309 Eddy current examination
ASTM E570 Flux leakage examination ASTM E213 Ultrasonic testing
ASTM A53 is Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service.
ASTM A106 is Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless1
A53 Pipe vs A106 Pipe – Applied Type of Pipe
A 53 can be welded seam or seamless depending on how it is specificed for purchase. It is a general steel pipe spec and covers galvanized pipe as well as black pipe.
A106 is a similar pipe in chemical composition but is intened for high temperature service (up to 750 Degs F). It is a seamless pipe.
Available Size of A106 seamless steel pipe
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Available Size of A53 seamless steel pipes
| Size | Schedule 40 pipe | Schedule 80 pipe | |||||||
| NPS | DN | OD
(mm) |
T
(mm) |
Plain end mass(kg/m) | Test pressure (Mpa) | T
(mm) |
Plain end mass(kg/m) | Test pressure (Mpa) | by |
| 1/2″ | 15 | 21.3 | 2.77 | 1.27 | 4.8 | 3.73 | 1.62 | 5.9 | Cold drawn |
| 3/4″ | 20 | 26.7 | 2.87 | 1.69 | 4.8 | 3.91 | 2.20 | 5.9 | |
| 1″ | 25 | 33.4 | 3.38 | 2.50 | 4.8 | 4.55 | 3.24 | 5.9 | |
| 1-1/4″ | 32 | 42.2 | 3.56 | 3.39 | 9 | 4.85 | 4.47 | 13.1 | |
| 1-1/2″ | 40 | 48.3 | 3.68 | 4.05 | 9 | 5.08 | 5.41 | 13.1 | |
| 2″ | 50 | 60.3 | 3.91 | 5.44 | 17.2 | 5.54 | 7.48 | 17.2 | Hot rolled 6-5/8″ PQF mill |
| 2-1/2″ | 65 | 73 | 5.16 | 8.63 | 17.2 | 7.01 | 11.41 | 17.2 | |
| 3″ | 80 | 88.9 | 5.49 | 11.29 | 17.2 | 7.62 | 15.27 | 17.2 | |
| 3-1/2″ | 90 | 101.6 | 5.74 | 13.57 | 16.3 | 8.08 | 18.63 | 19.3 | |
| 4″ | 100 | 114.3 | 6.02 | 16.07 | 15.2 | 8.56 | 22.32 | 19.3 | Hot rolled 10-3/4″ PQF mill |
| 5″ | 125 | 141.3 | 6.55 | 21.77 | 13.4 | 9.53 | 30.97 | 19.3 | |
| 6″ | 150 | 168.3 | 7.11 | 28.26 | 12.3 | 10.97 | 42.56 | 18.9 | |
| 8″ | 200 | 219.1 | 8.18 | 42.55 | 10.8 | 12.70 | 64.64 | 16.8 | |
| 10″ | 250 | 273 | 9.27 | 60.29 | 9.9 | 15.09 | 95.97 | 16 | |
| 12″ | 300 | 323.8 | 10.31 | 79.70 | 9.2 | 17.48 | 132.04 | 15.7 | |
| 14″ | 350 | 355.6 | 11.13 | 94.55 | 9 | 19.05 | 158.11 | 15.5 | Hot rolled 20″ PQF mill |
| 16″ | 400 | 406.4 | 12.7 | 123.31 | 9 | 21.44 | 203.54 | 15.3 | |
| 18″ | 450 | 457 | 14.27 | 155.81 | 9 | 23.83 | 254.57 | 15.1 | |
| 20″ | 500 | 508 | 15.09 | 183.43 | 9 | 26.19 | 311.19 | 15 | |
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