ASTM A335/ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes, Tubes
- Industrial Boilers
- Power Plants
- Nuclear Plants
ASTM A335/ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes, Tubes Chemical Composition %
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Mo |
P5 |
0.15max |
0.30-0.60 |
0.025 |
0.025 |
0.50 max |
4.00-6.00 |
0.45-0.65 |
P9 |
0.15 max |
0.30-0.60 |
0.025 |
0.025 |
0.25-1.00 |
8.00-10.00 |
0.90-1.10 |
P11 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
P22 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50 max |
1.90-2.60 |
0.87-1.13 |
P91 |
0.08-0.12 |
0.30-0.60 |
0.02 |
0.01 |
0.20-0.50 |
8.00-9.50 |
0.85-1.05 |
|
V 0.18-0.25 |
N 0.03-0.07 |
Ni 0.40 max |
Al 0.02 max |
Cb 0.06-0.10 |
Ti 0.01 max |
Zr 0.01 max |
ASTM A335/ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes, Tubes Mechanical Properties
Mechanical Properties |
Grade |
Tensile strength(MPa) |
Yield strength(MPa) |
Elongation(%) |
Impact energy(J) |
Hardness |
P11 |
‰¥ 415 |
‰¥ 205 |
‰¥ 22 |
‰¥ 35 |
‰¤ 163HB |
P12 |
‰¥ 415 |
‰¥ 220 |
‰¥ 22 |
‰¥ 35 |
‰¤ 163HB |
P22 |
‰¥ 415 |
‰¥ 205 |
‰¥ 22 |
‰¥ 35 |
‰¤ 163HB |
P5 |
‰¥ 415 |
‰¥ 205 |
‰¥ 22 |
‰¥ 35 |
‰¤ 187HB |
P91 |
585~760 |
‰¥ 415 |
‰¥ 20 |
‰¥ 35 |
‰¤ 250HB |
P92 |
‰¥ 620 |
‰¥ 440 |
‰¥ 20 |
‰¥ 35 |
250HB |
ASTM A335/ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes
NPS |
OD Tolerance |
NPS |
WT Tolerance |
1/8€³ ‰¤ NPS ‰¤ 1 1/2€³ |
+/- 0.4 |
1/8€³ ‰¤ NPS ‰¤ 2 1/2€³ , All T/D ratios. |
+20%, -12.5% |
1 1/2 < NPS ‰¤ 4€³ |
+/- 0.79 |
NPS ‰¥ 2 1/2€³ , T/D ‰¤ 5% |
+22.5%, -12.5% |
4€³ < NPS ‰¤ 8€³ |
+1.59, -0.79 |
NPS ‰¥ 2 1/2€³ , T/D > 5% |
+15%, -12.5% |
8€³ < NPS ‰¤ 12€³ |
+2.38, -0.79 |
(T= Specified Wall Thickness; D = Specified Outside DiaReliable Pipes and Tubes Ltd.er) |
NPS > 12€³ |
+/- 1% |