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Continued activity! In the first eight months, my country's foreign trade operators with import and export performance reached 630,000
More information about Standard of En10204
Difference between 3.2 and 3.1 certificates
|
Chemical Requirements |
Type S
(seamless)
|
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 |
|
Carbon max. % |
0.25 |
0.30* |
0.25 |
0.30* |
0.3 |
|
Manganese % |
0.95 |
1.2 |
0.95 |
1.2 |
1.2 |
|
Phosphorous, max. % |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
|
Sulfur, max. % |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
|
Copper, max.% |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Nickel, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Chromium, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Molybdenum, max. % |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
|
Vanadium, max. % |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
|
For NPS 1 1/2 and Smaller Sizes |
|
For NPS 2 and Larger Sizes |
|
|
1/64″ over |
1/64″ under |
1% over |
1%under |
|
|
Seamless and Electric-resistance-welded |
Continuous-Welded |
|
|
|
Grade A |
Grade B |
|
|
Tensile Strength, min., psi |
48,000 |
60,000 |
45,000 |
|
Yield Strength, min., psi |
30,000 |
35,000 |
25,000 |
|
|
Degree of Bend |
Diameter of Mandrel |
|
For Normal A53 Uses |
90 |
12 x nom dia. of pipe |
|
For Close Coiling |
180 |
8 x nom dia. of pipe |
Lengths
|
Standard Weight |
|
|
|
Single Random — 16′ – 22′. 5% may be jointers. If Plain Ends — 5% may be 12′ – 16′. |
|
|
Double Random — Shortest Length 22′, minimum average for order 35′. |
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Extra Strong and Double Extra Strong |
|
|
|
Single Random — 12′ -22′. 5% may be 6′ – 12′. |
|
|
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)
|
Rolled, Stamped, or Stenciled (Mfrs. Option) |
|
Name brand of manufacturer |
|
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. |
|
ASTM 53 |
|
Length of pipe |
General Information
|
Couplings — Applied handling tight. Couplings, 2″ and smaller straight tapped, other sizes taper tapped. |
|
|
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. |
