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By certification 
ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines. It is suitable for welding and for forming operations involving coiling, bending, and flanging, subject to certain qualifications.
Specifications:
Standard |
SA53 & A53 Tubes |
|
Rods range |
NPS 1/4″ – 30″ OD, Custom Size Available |
Type |
Seamless SA53 Pipes & Tubes & ASTM A53 Pipes & Tubes, Type E Pipes & Tubes, Type F A53 / SA53 Pipes & Tubes, SA53 / A53 Type S Pipes & Tubes |
Grade |
ASTM A53 Grade A & Grade B, ASME SA53 Grade A & Grade B |
Diameter |
10 mm To 200 mm Diameter |
Form |
Round Pipes & Tubes, Coiled Tubes, “U” Shape Pipes & Tubes |
Chemical Requirements:
Compositions |
Data |
Carbon(max.) |
0.25 |
Manganese |
0.25 |
Phosphorus(max.) |
0.95 |
Sulfur(max.) |
0.05 |
Silicon |
≤0.6 |
Nickel |
0.40 |
Chromium |
0.40 |
Copper |
0.05 |
http://www.baosteelpipes.com/
