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We can help supply all of the ASTM A335 T91 ERW Pipe or linepipe supplies that your company needs for use in the oil or natural gas industries. High strength low alloy steel specifications for these pipes regulate usage for standard ASTM A335, ASTM A333 and ASTM A213 pipes. ASTM A335 T91 ERW Pipe is the part of ASTM A335, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
All products are industry-standard conforming to or exceeding API, ASTM, ASME, ANSI and other national and international standards.
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.
Pipes :- ASTM A335 GR P5 | GR P9 | GR P11 | P12 | GR P5 | GR T91 | P92.
Size Range: 1/2" - 24"
Schedules: 20, 30, 40, Standard (STD), 60, Extra Heavy (XS), 80, 100, 120, 140, 160, XXS
Tubes :- ASME SA213 Grade T91, T12, T91, T91, T91, T911, T912
Size Range: 12.7MM OD TO 168.7 MM OD
Thickness: 2MM TO 16MM THK
Chemical Requirements
Grade |
T-5 | T-9 | T-11 | T-22 | T-91 | T-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 |
Physical Properties
P-5 | P-9 | P-11 | P-22 | P-91 | T91 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 |
Physical Properties
P-5 | P-9 | P-11 | P-22 | P-91 | T91 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 |
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