ASTM A335 Pipe P5 P9 P11 P12 P22 P91 P92
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One of the Top 500 enterprises in China foreign trade
QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association
Chrome Moly pipe has become a standard in the power generation industry and the petro-chemical industry, not only because of its tensile strength, corrosion resistance and high-temperature strength, but also for its cost-effectiveness.Grades P-11, P-22 - P-91 & P-92 are prevalent grades for the power industry, while P-5 & P-9 are the major refinery processing grades utilized.
ASTM A335 Pipe P5 P9 P11 P12 P22 P91 P92
Size Range: 1/2" - 24"
Schedules: 20, 30, 40, Standard (STD), 60, Extra Heavy (XS), 80, 100, 120, 140, 160, XXS
Chemical Requirements
|
Grade |
P-5 |
P-9 |
P-11 |
P-22 |
P-91 |
P-91 shall also include the following: |
||
|
Element |
UNS Designation |
K41545 |
S50400 |
K11597 |
K21590 |
K91560 |
||
|
|
Carbon |
0.15 max |
0.15 max |
0.05 - 0.15 |
0.05 - 0.15 |
0.08 - 0.12 |
V at 0.18 - 0.25 |
|
|
Manganese |
0.30 - 0.60 |
0.30 - 0.60 |
0.30 - 0.60 |
0.30 - 0.60 |
0.30 - 0.60 |
N at 0.030 - 0.070 |
||
|
Phosphorous, max |
0.025 |
0.025 |
0.025 |
0.025 |
0.020 |
Ni at 0.40 max |
||
|
Sulfur, max |
0.025 |
0.025 |
0.025 |
0.025 |
0.010 |
Al at 0.02 max |
||
|
Silicon |
0.50 max |
0.25 - 1.00 |
0.50 - 1.00 |
0.50 max |
0.20 -0.50 |
Cb at 0.06 - 0.10 |
||
|
Chromium |
4.00 - 6.00 |
8.00 - 10.00 |
1.00 - 1.50 |
1.90 - 2.60 |
8.00 - 9.50 |
Ti at 0.01 max |
||
|
Molybdenum |
0.45 -0.65 |
0.90 - 1.10 |
0.44 - 0.65 |
0.87 - 1.13 |
0.85 - 1.05 |
Zr at 0.01 max |
||
Tubes :- ASME SA213 Grade T11, T12, T5, T9, T22, T91, T92
Size Range: 12.7MM OD TO 168.7 MM OD
Thickness: 2MM TO 16MM THK
Physical Properties
|
|
P-5 |
P-9 |
P-11 |
P-22 |
P-91 |
P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC]. |
|
Tensile Strength, min., psi |
|
|
|
|
|
|
|
ksi |
60 |
60 |
60 |
60 |
85 |
|
|
MPa |
415 |
415 |
415 |
415 |
585 |
|
|
Yield Strength, min., psi |
|
|
|
|
|
|
|
ksi |
30 |
30 |
30 |
30 |
60 |
|
|
MPa |
205 |
205 |
205 |
205 |
415 |
|
