ASTM A53 ERW pipe covers the following types and grades: Type E – Resistance welded steel pipe, Grade A and Grade B.
Quality Standards:
ASTM A53: Standard specification for steel pipe (Black, Hot-dip Galvanized, Welded and Seamless)
API 5L” Line pipe, API 5CT steel pipe, for transporting oil, natural gas and petroleum products
BS 1387: Steel Pipe for transporting water, gas, air and steam
DIN 2458: Welded Steel Pipe
EN10217: Welded Steel Pipe for Pressure Applications. Technical Delivery Terms. Non-alloy steel pipe with specific room temperature properties.
Grade A: 0.25
Grade B: 0.30
Grade A: 0.95
Grade B: 1.2
Grade A: 0.05
Grade B: 0.05
Grade A: 0.045
Grade B: 0.045
Grade A: 0.40
Grade B: 0.40
Grade A: 0.40
Grade B: 0.40
Type E Grade A: 330Mpa / 48000psi
Type E Grade B: 415Mpa / 60000psi
Type E Grade A: 205Mpa / 30000psi
Type E Grade B: 240Mpa / 35000psi
|
Type of A53 Grade B Pipe |
Roughness [mm] |
Roughness [inch] |
|
ASTM A53 Grade B, drawn, new |
0.02 - 0.1 |
0.0008 - 0.004 |
|
welded, new |
0.05 - 0.1 |
0.002 - 0.004 |
|
galvanized, new |
0.15 |
0.006 |
|
Carbon Steel ASTM A53, used, cleaned |
0.15 - 0.2 |
0.006 - 0.008 |
|
lightly corroded |
0.1 - 0.4 |
0.004 - 0.016 |
|
severely corroded |
0.4 - 3 |
0.016 - 0.12 |
|
light scaling |
1 - 1.5 |
0.04 - 0.06 |
|
heavy scaling |
1.5 - 4 |
0.06 - 0.16 |
|
bitumed coated |
0.05 |
0.002 |
