|
Type |
Type S |
Type E |
Type F |
||
|
(Seamless) |
(Electric-resistance welded) |
(Furnace-welded pipe) |
|||
|
Grade |
Grade A |
Grade B |
Grade A |
Grade B |
Grade A |
|
Carbon max. % |
0.25 |
0.3 |
0.25 |
0.3 |
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.% |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
|
Nickel, max. % |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
|
Chromium, max. % |
0.4 |
0.4 |
0.4 |
0.4 |
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 |
|
|
Types E and S |
Type F |
|
|
|
Grade A |
Grade B |
|
|
Tensile Strength, min., psi(Mpa) |
48,000(330) |
60,000(415) |
48,000(3300) |
|
Yield Strength, min., psi(Mpa) |
30,000(205) |
35,000(240) |
25,000(205) |
|
For NPS 1 1/2 and Smaller Sizes |
For NPS 2 and Larger Sizes |
|
+/- 1/64″ |
+/- 1% over |
Wall Thickness
The minimum wall thickness at any point shall be not more than 12.5% under the nominal wall thickness specified.
