ASTM A53 Pipes is a common carbon steel pipe that is utilized in both mechanical and pressure piping and also in the transportation of steam, water, gas and air. It is good strength, weldable, cost-effective and is used commonly in construction, oil and gas, and industrial piping systems. It comes in seamless and welded designs and it is of very tight dimensional and performance specifications. Amardeep Steel is a trustworthy producer and distributor of ASTM A53 Grade B steel pipes in India, which are of consistent quality, certified raw materials and the quality of supply reliable in both local and international projects.
What is ASTM A53 Grade B Pipe?
ASTM A53 Grade B Steel pipe is a standard of carbon steel pipe outlined in ASTM A53 (synonymous with ASME SA53) to be used both in mechanical and pressure service and fluid transportation. The pipes have three types namely Seamless (Type S), ERW/Welded (Type E), and Galvanized types that are used in corrosion protection. Grade B is also very common as compared to Grade A with regard to its higher tensile strength and higher pressure handling capability. This makes ASTM A53 Grade B Steel pipe very appropriate in hard-to-work industrial applications where the strength, durability, and reliability are most important.
ASTM A53 Pipe Specifications
|
Parameter |
Details |
|
Standard / Equivalent |
ASTM A53 / ASME SA53 |
|
Types |
Seamless, ERW/Welded, Galvanized |
|
Size Range |
½" to 24" (NPS) / 15NB to 600NB |
|
Wall Thickness |
3mm to 12mm |
|
Schedule |
SCH 10, 40, 80, STD, XS, XXS |
|
Length |
3m to 18m (custom available) |
|
End Types |
Plain, Beveled, Threaded |
|
Finish |
Black, Hot-Dipped Galvanized |
Chemical Composition of ASTM A53 Pipes
|
Grade |
C |
Mn |
P |
S |
Cu |
Ni |
Cr |
Mo |
V |
|
A |
0.25 |
0.95 |
0.05 |
0.045 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
Mechanical Properties of ASTM A53 Grade B Steel Pipe
|
Property |
Minimum Requirement (Imperial) |
Minimum Requirement (Metric) |
|
Tensile Strength |
60,000 psi |
415 MPa |
|
Yield Strength |
35,000 psi |
240 MPa |
ASTM A53 Grade B Pipe Size Chart
|
NPS |
OD (mm) |
5S |
10S |
10 |
20 |
30 |
40S |
40 |
60 |
XS/80S |
80 |
100 |
120 |
140 |
160 |
XXS |
|
1/8" |
10.29 |
1.2 |
1.73 |
— |
— |
— |
2.41 |
2.41 |
— |
3.22 |
3.22 |
— |
— |
— |
— |
— |
|
1/4" |
13.72 |
1.7 |
2.24 |
— |
— |
— |
3.02 |
3.02 |
— |
3.91 |
3.91 |
— |
— |
— |
— |
— |
|
3/8" |
17.15 |
1.7 |
2.31 |
— |
— |
— |
3.2 |
3.2 |
— |
4.01 |
4.01 |
— |
— |
— |
— |
— |
|
1/2" |
21.34 |
1.7 |
2.1 |
— |
— |
— |
2.77 |
2.77 |
— |
3.73 |
3.73 |
— |
— |
— |
4.78 |
7.47 |
|
3/4" |
26.67 |
1.7 |
2.1 |
— |
— |
— |
2.87 |
2.87 |
— |
3.91 |
3.91 |
— |
— |
— |
5.56 |
7.82 |
|
1" |
33.4 |
1.7 |
2.8 |
— |
— |
— |
3.38 |
3.38 |
— |
4.55 |
4.55 |
— |
— |
— |
6.35 |
9.09 |
|
1-1/4" |
42.16 |
1.7 |
2.8 |
— |
— |
— |
3.56 |
3.56 |
— |
4.85 |
4.85 |
— |
— |
— |
6.35 |
9.7 |
|
1-1/2" |
48.26 |
1.7 |
2.8 |
— |
— |
— |
3.68 |
3.68 |
— |
5.08 |
5.08 |
— |
— |
— |
7.14 |
10.2 |
|
2" |
60.33 |
1.7 |
2.8 |
— |
— |
— |
3.91 |
3.91 |
— |
5.54 |
5.54 |
— |
— |
— |
9.7 |
11.1 |
|
2-1/2" |
73.03 |
2.1 |
3.1 |
— |
— |
— |
5.16 |
5.16 |
— |
7.01 |
7.01 |
— |
— |
— |
9.53 |
14.0 |
|
3" |
88.9 |
2.1 |
3.1 |
— |
— |
— |
5.49 |
5.49 |
— |
7.62 |
7.62 |
— |
— |
— |
11.1 |
15.2 |
|
3-1/2" |
101.6 |
2.1 |
3.1 |
— |
— |
— |
5.74 |
5.74 |
— |
8.08 |
8.08 |
— |
— |
— |
— |
— |
|
4" |
114.3 |
2.1 |
3.1 |
— |
— |
— |
6.02 |
6.02 |
— |
8.56 |
8.56 |
— |
11.1 |
— |
13.5 |
17.1 |
|
5" |
141.3 |
2.8 |
3.4 |
— |
— |
— |
6.55 |
6.55 |
— |
9.53 |
9.53 |
— |
12.7 |
— |
15.9 |
19.1 |
|
6" |
168.3 |
2.8 |
3.4 |
— |
— |
— |
7.11 |
7.11 |
— |
10.97 |
10.97 |
— |
14.3 |
— |
18.3 |
22.0 |
|
8" |
219.1 |
2.8 |
3.8 |
— |
6.4 |
7.0 |
8.18 |
8.18 |
10.3 |
12.7 |
12.7 |
15.1 |
18.3 |
20.6 |
23.0 |
22.2 |
|
10" |
273.1 |
3.4 |
4.2 |
6.4 |
7.8 |
9.27 |
9.27 |
9.27 |
12.7 |
12.7 |
15.1 |
18.3 |
21.4 |
25.4 |
28.6 |
25.4 |
|
12" |
323.9 |
4.0 |
4.6 |
6.4 |
8.4 |
10.3 |
9.53 |
10.3 |
14.3 |
12.7 |
17.5 |
21.4 |
25.4 |
28.6 |
33.3 |
25.4 |
|
14" |
355.6 |
4.0 |
4.8 |
6.4 |
7.9 |
9.53 |
— |
11.1 |
15.1 |
12.7 |
19.1 |
23.8 |
27.8 |
31.8 |
35.7 |
— |
|
16" |
406.4 |
4.2 |
4.8 |
6.4 |
7.9 |
9.53 |
— |
12.7 |
16.7 |
12.7 |
21.4 |
26.2 |
31.0 |
36.5 |
40.5 |
— |
|
18" |
457.2 |
4.2 |
4.8 |
6.4 |
7.9 |
11.1 |
— |
14.3 |
19.1 |
12.7 |
23.8 |
29.4 |
34.9 |
39.7 |
45.2 |
— |
|
20" |
508.0 |
4.8 |
5.5 |
6.4 |
9.5 |
12.7 |
— |
15.1 |
20.6 |
12.7 |
26.2 |
32.5 |
38.1 |
44.5 |
50.0 |
— |
|
24" |
609.6 |
5.5 |
6.4 |
6.4 |
9.5 |
14.3 |
— |
17.5 |
24.6 |
12.7 |
31.0 |
38.9 |
46.0 |
52.4 |
59.5 |
— |
ASTM A53 Grade B Pipe Weight Thickness Chart
|
Pipe Type |
Out Diameter |
Wall Thickness |
Length |
|
ASTM A53 Grade B Seamless Pipes |
1/2" NB - 60" NB |
SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 |
Custom |
|
ASTM A53 Grade B Welded Pipes |
1/2" NB - 24" NB |
As per requirement |
Custom |
|
SA53 Gr. B ERW Pipes |
1/2" NB - 24" NB |
As per requirement |
Custom |
|
ASTM A53 Grade B SAW Pipes |
16" NB - 100" NB |
As per requirement |
Custom |
Equivalent Grades of ASTM A53 Pipes
|
UNS |
KS |
JIS |
DIN Type |
DIN Number |
EN |
|
K03005 |
SPPS42 |
STPG410 |
St45 / St42-2 |
1629 / 1626 |
1.0408 / 1.0040 |
Types of ASTM A53 Grade B Pipe
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Weight Chart of ASTM A53 Grade B Steel Pipes In Kg
|
Size (NPS) |
O.D. (in) |
Wall Thk (in) |
I.D. (in) |
Weight (lb/ft) |
Schedule / Class |
Section Modulus |
Gal Capacity (Per Linear Ft) |
|
1/2 |
0.840 |
0.109 |
0.622 |
0.85 |
STD / 40 |
0.0407 |
0.0158 |
|
0.147 |
0.546 |
1.09 |
XHY / 80 |
0.0478 |
0.0122 |
||
|
0.188 |
0.464 |
1.31 |
160 |
0.0528 |
0.0088 |
||
|
0.294 |
0.252 |
1.72 |
XXHY |
0.0577 |
0.0026 |
||
|
3/4 |
1.050 |
0.113 |
0.824 |
1.13 |
STD / 40 |
0.0705 |
0.0277 |
|
0.154 |
0.742 |
1.48 |
XHY / 80 |
0.0853 |
0.0225 |
||
|
0.219 |
0.612 |
1.95 |
160 |
0.1006 |
0.0153 |
||
|
0.308 |
0.434 |
2.44 |
XXHY |
0.1103 |
0.0077 |
||
|
1 |
1.315 |
0.133 |
1.049 |
1.68 |
STD / 40 |
0.1328 |
0.0449 |
|
0.179 |
0.957 |
2.17 |
XHY / 80 |
0.1606 |
0.0374 |
||
|
0.250 |
0.815 |
2.85 |
160 |
0.1904 |
0.0271 |
||
|
0.358 |
0.599 |
3.66 |
XXHY |
0.2136 |
0.0146 |
||
|
1 1/4 |
1.660 |
0.140 |
1.380 |
2.27 |
STD / 40 |
0.2346 |
0.0777 |
|
0.191 |
1.278 |
3.00 |
XHY / 80 |
0.2913 |
0.0666 |
||
|
0.250 |
1.160 |
3.77 |
160 |
0.3421 |
0.0549 |
||
|
0.382 |
0.896 |
5.22 |
— |
0.4110 |
0.0328 |
||
|
1 1/2 |
1.900 |
0.145 |
1.610 |
2.72 |
STD / 40 |
0.3262 |
0.1058 |
|
0.200 |
1.500 |
3.63 |
XHY / 80 |
0.4118 |
0.0918 |
||
|
0.281 |
1.338 |
4.86 |
160 |
0.5079 |
0.0730 |
||
|
0.400 |
1.100 |
6.41 |
— |
0.5977 |
0.0494 |
||
|
2 |
2.375 |
0.109 |
2.157 |
2.64 |
10 |
0.4205 |
0.1898 |
|
0.154 |
2.067 |
3.66 |
STD / 40 |
0.5606 |
0.1743 |
||
|
0.218 |
1.939 |
5.03 |
XHY / 80 |
0.7309 |
0.1534 |
||
|
0.436 |
1.503 |
9.04 |
XXHY |
1.1043 |
0.0922 |
||
|
2 1/2 |
2.875 |
0.203 |
2.469 |
5.80 |
STD / 40 |
1.0640 |
0.2487 |
|
0.276 |
2.323 |
7.67 |
XHY / 80 |
1.3386 |
0.2202 |
||
|
0.375 |
2.125 |
10.02 |
160 |
1.6371 |
0.1842 |
||
|
0.552 |
1.771 |
13.71 |
XXXHY |
1.9971 |
0.1280 |
||
|
3 |
3.500 |
0.216 |
3.068 |
7.58 |
STD / 40 |
1.7241 |
0.3840 |
|
0.300 |
2.900 |
10.26 |
XHY / 80 |
2.2253 |
0.3431 |
||
|
0.438 |
2.624 |
14.34 |
160 |
2.8774 |
0.2811 |
||
|
0.600 |
2.300 |
18.60 |
XXHY |
3.4243 |
0.2158 |
||
|
4 |
4.500 |
0.237 |
4.026 |
10.80 |
STD / 40 |
3.2145 |
0.6613 |
|
0.337 |
3.826 |
15.00 |
XHY / 80 |
4.2713 |
0.5972 |
||
|
0.531 |
3.438 |
22.53 |
160 |
5.8997 |
0.4822 |
||
|
0.674 |
3.152 |
27.57 |
XXHY |
6.7927 |
0.4054 |
||
|
6 |
6.625 |
0.280 |
6.065 |
18.99 |
STD / 40 |
8.4958 |
1.5008 |
|
0.432 |
5.761 |
28.60 |
XHY / 80 |
12.2241 |
1.3541 |
||
|
0.719 |
5.187 |
45.39 |
160 |
17.8243 |
1.0977 |
||
|
0.864 |
4.897 |
53.21 |
XXHY |
20.0250 |
0.9784 |
Difference between ASTM A53 Grade B vs. ASTM A106 Grade B
|
Parameter |
ASTM A53 Grade B |
ASTM A106 Grade B |
|
Standard |
ASTM A53 / ASME SA53 |
ASTM A106 / ASME SA106 |
|
Manufacturing Type |
Seamless & Welded (ERW) |
Seamless only |
|
Primary Use |
Mechanical & low-pressure applications |
High-temperature & high-pressure services |
|
Temperature Suitability |
Moderate temperature |
High temperature (up to ~400°C and above) |
|
Strength |
Good strength |
Higher strength for demanding conditions |
|
Surface Finish |
Black or Galvanized available |
Typically black (non-galvanized) |
|
Cost |
More economical |
Higher cost due to seamless process |
|
Common Industries |
Construction, water, gas lines |
Oil & gas, power plants, refineries |
Applications of ASTM A53 Pipe
- Oil & Gas Transportation
- Water & Steam Conveyance
- Construction & Infrastructure
- Petrochemical & Refiners
- Power Generation Plants
- Mechanical / Structural Uses
Frequently Asked Questions About ASTM A53 Grade B Steel Pipe
What is the difference between ASTM A53 Grade A and Grade B?
The ASTM Grade B has higher tensile and yield strength than Grade A, making it suitable for more demanding applications.
What schedules are available in ASTM A53 Grade B Tubes?
The ASTM A53 carbon steel tubes come in common schedules, including Sch 10, Sch 20, Sch 40, Sch 80, and Sch 160, depending on thickness requirements.
Is ASTM A53 Grade B the same as ASME SA53?
Yes, ASTM A53 and ASME SA53 are equivalent standards with the same material specifications.
Can ASTM A53 Grade B pipe be used for high-temperature service?
It can handle moderate temperatures, but ASTM A106 Grade B is preferred for high-temperature applications.
What is the maximum pressure rating for A53 Grade B Schedule 40?
There is no fixed value; it depends on pipe size, temperature, and design code, but it is generally used for low to medium-pressure systems.
