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Chemical Requirements |
Type S
(seamless)
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Type E |
Type F |
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Download Chart |
(electric-
resistance welded)
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(furnace-
welded pipe)
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Grade A |
Grade B |
Grade A |
Grade B |
Grade A |
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Carbon max. % |
0.25 |
0.30* |
0.25 |
0.30* |
0.3 |
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Manganese % |
0.95 |
1.2 |
0.95 |
1.2 |
1.2 |
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Phosphorous, max. % |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
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Sulfur, max. % |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
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Copper, max.% |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
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Nickel, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
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Chromium, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
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Molybdenum, max. % |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
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Vanadium, max. % |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
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For NPS 1 1/2 and Smaller Sizes |
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For NPS 2 and Larger Sizes |
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1/64″ over |
1/64″ under |
1% over |
1%under |
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Seamless and Electric-resistance-welded |
Continuous-Welded |
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Grade A |
Grade B |
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Tensile Strength, min., psi |
48,000 |
60,000 |
45,000 |
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Yield Strength, min., psi |
30,000 |
35,000 |
25,000 |
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Degree of Bend |
Diameter of Mandrel |
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For Normal A53 Uses |
90 |
12 x nom dia. of pipe |
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For Close Coiling |
180 |
8 x nom dia. of pipe |
Lengths
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Standard Weight |
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Single Random — 16′ – 22′. 5% may be jointers. If Plain Ends — 5% may be 12′ – 16′. |
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Double Random — Shortest Length 22′, minimum average for order 35′. |
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Extra Strong and Double Extra Strong |
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Single Random — 12′ -22′. 5% may be 6′ – 12′. |
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Double Random (XS and lighter) — Shortest Length 22′, minimum average for order 35′. |
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Lengths longer than single random with wall thicknesses heavier than XS subject to negotiation. |
Required Markings on Each Length
(On Tags attached to each Bundle in case of Bundled Pipe)
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Rolled, Stamped, or Stenciled (Mfrs. Option) |
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Name brand of manufacturer |
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Kind of pipe, that is, Continuous Welded, Electric-Resistance-Welded A, Electric-Resistance-Welded B, Seamless A, Seamless B, XS for extra strong, XXS for double extra strong. |
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ASTM 53 |
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Length of pipe |
General Information
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Couplings — Applied handling tight. Couplings, 2″ and smaller straight tapped, other sizes taper tapped. |
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Thread Protection — Applied to pipe 4″ and larger. |
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End Finish (unless otherwise specified) — |
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STD or XS, or wall thicknesses less than 0.500 in. (excluding XXS): Plain and beveled |
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All XXS and wall thicknesses over 0.500 in.: Plain end square cut. |
