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Type S |
Type E |
Type F |
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(electric- |
(furnace- |
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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 |
Permissible Variations in Wall Thickness
The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.
Permissible Variations in Weights per Foot
Plus or minus 10%
Permissible Variations in Outside Diameter
Outside Diameter at any point shall not vary from standard specified more than:
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For NPS 1 1/2 and Smaller Sizes |
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 |
Hydrostatic Testing
Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.
Mechanical Tests Specified
Tensile Test — Transverse required on ERW for NPS 8 and larger.
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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 |
Flattening Test — NPS 2 and larger XM and lighter walls.
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. |
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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 |
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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. |
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API 5L / ASTM A252/ EN10219-2/ ASTM A572 Spiral Steel Pipe |
API 5L / ASTM A252/ EN10219-2/ ASTM A572 SSAW Steel Pipe |
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spiral welded pipe |
ssaw pipe |
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welded tubes |
ssaw pipe supplier |
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spiral welded steel pipe suppliers |
API 5L ssaw pipe suppliers |
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spiral welded tube |
ASTM A252 ssaw pipe manufacturer |
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pipa spiral welded |
API 5L gr.b ssaw pipe suppliers |
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spiral seam pipe suppliers |
API 5L x42 ssaw pipe suppliers |
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spiral steel tube |
API 5L x46 ssaw pipe suppliers |
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spiral welded stainless steel pipe |
API 5L x52 ssaw pipe suppliers |
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spiral seam welded pipe |
API 5L x60 ssaw pipe suppliers |
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spiral seam pipe |
API 5L x65 ssaw pipe supplier |
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spiral steel pipe |
API 5L x70 ssaw pipe supplier |
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spiral pipe supplier |
ssaw pipe manufacturer |
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spiral welded carbon steel pipe supplier |
Ssaw steel pipes |
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spiral welded steel pipe supplier |
ssaw welding steel pipes |
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spiral welded pipes manufacturer |
spiral pipe suppliers |
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spiral welded pipe suppliers |
ssaw pipe in China |
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Standard |
Standard |
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SY/T5040-2000 |
Y/T5037-2000 |
SY/T9711.1-197 |
ASTM A252 |
AWWA C200-9 |
API 5L PSL1 |
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Tube end OD deviation |
± 0.5%D |
± 0.5%D |
-0.79mm～+2.38 |
<± 0.1%T |
<± 0.1%T |
± 1.6mm |
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Wall thickness |
± 10.0%T |
D<508mm, ±12.5%T |
- 8%T～+19.5%T |
<- 12.5%T |
-8%T～+19.5%T |
5.0mm |
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D>508mm, ±10.0%T |
T≥15.0mm, ±1.5m |
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