Among the various pipes and tubes produced using different metals and alloys, there is one more thing that makes the pipes different and that is the process used in manufacturing them. ASTM A335 P91 Pipe is one such pipe that is produced by hot or cold drawing and is then treated with heat. ASTM A335 P91 Pipe is first normalized at 1050 degrees C and is then cooled by using air at 200 degrees C. After this the P91 Pipe suppliers temper them at about 760 degrees C. This process of manufacturing makes these P91 Seamless Pipes suitable for fusion welding, forming, bending, and flanging. SA 335 gr P91 Seamless Pipe is said to be useful for high-temperature applications. ASTM A335 P91 steel Material is a ferritic alloy with molybdenum and chromium elements added to it in trace amounts. The tensile strength of the SA335 P91 IBR Pipe is increased due to the addition of these two elements.
Moreover, according to A335 P91 Pipe suppliers the addition of molybdenum improves the resistance to wear, hardenability, elastic limit, and the impact quality of ASTM A335 P91 Alloy Steel Pipe. The addition of molybdenum improves the UNS K91560 Chrome Pipes creep strength at high temperatures and displays excellent resistance to softening. The NBR 5603 P91 High Pressure Pipe also prevents grain growth and display reduced brittleness due to the element of molybdenum. Steel Grade P91 ASTM A335 Pipe also displays high resistance to corrosion and oxidation at high temperatures due to the chromium content in it. Corrosion in these ASTM A335 gr P91 Round Pipes is also avoided since they are surface treated or coated. This coating on SA335P91 Boiler Steel Pipe is done using passivation, varnishing, phosphating, oil dipping, and short blast. Therefore these SA335 gr P91 High Temperature Seamless Pipes are used in factories, plants, and refineries for the transportation of fluid and gases such as water oil, and steam. AS ASTM A335 gr P91 Seamless Pipe is used in these applications as they work under high pressure and high temperature. Low Alloy ASTM A335 P91 Pipe Material can withstand wall temperature up to 650 degrees C.
ASTM A335 Grade P91 Steel Pipe is said to be well suited for heavy welding application. ASTM A335 P91 Alloy Steel Smls Pipe does not respond to regular aging treatment. However, strain aging at low temperature improves the rupture and creep strength of Alloy Steel SA 335 P91 Smls Pipe. Similar to nickel alloy pipes the Ferritic Alloy Steel ASTM A335P91 Pipe displays high malleability and easy formability. Stress-related corrosion cracking is also resisted by these Steel Grade P91 Chrome Moly Pipe. We have been producing and supplying these Alloy P91 ASTM A335 High Pressure Pipe for generation and are well known in the industry for the quality of product supplied by us.
NB | Size | OD | 40S | 5S | 10S | S10 | S20 | S40 | S60 | XS/80S | S80 | S100 | S120 | S140 | S160 | XXS |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||
1/8 | 10.29 | 1.2 | 1.73 | 2.41 | ||||||||||||
1/4 | 13.72 | 1.7 | 2.24 | 3.02 | ||||||||||||
3/8 | 17.15 | 1.7 | 2.31 | 3.2 | ||||||||||||
15 | 1/2 | 21.34 | 2.8 | 1.7 | 2.1 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 | ||||||
20 | 3/4 | 26.67 | 2.9 | 1.7 | 2.1 | 2.87 | 3.91 | 3.91 | 5.56 | 7.82 | ||||||
25 | 1 | 33.4 | 3.4 | 1.7 | 2.8 | 3.38 | 4.55 | 4.55 | 6.35 | 9.09 | ||||||
32 | 1 1/4 | 42.16 | 3.6 | 1.7 | 2.8 | 3.56 | 4.85 | 4.85 | 6.35 | 9.7 | ||||||
40 | 1 1/2 | 48.26 | 3.7 | 1.7 | 2.8 | 3.68 | 5.08 | 5.08 | 7.14 | 10.2 | ||||||
50 | 2 | 60.33 | 3.9 | 1.7 | 2.8 | 3.91 | 5.54 | 5.54 | 9.74 | 11.1 | ||||||
65 | 2 1/2 | 73.03 | 5.2 | 2.1 | 3.1 | 5.16 | 7.01 | 7.01 | 9.53 | 14 | ||||||
80 | 3 | 88.9 | 5.5 | 2.1 | 3.1 | 5.49 | 7.62 | 7.62 | 11.1 | 15.2 | ||||||
90 | 3 1/2 | 101.6 | 5.7 | 2.1 | 3.1 | 5.74 | 8.08 | 8.08 | ||||||||
100 | 4 | 114.3 | 6 | 2.1 | 3.1 | 6.02 | 8.56 | 8.56 | 11.1 | 13.5 | 17.1 | |||||
125 | 5 | 141.3 | 6.6 | 2.8 | 3.4 | 6.55 | 9.53 | 9.53 | 12.7 | 15.9 | 19.1 | |||||
150 | 6 | 168.3 | 7.1 | 2.8 | 3.4 | 7.11 | 10.97 | 11 | 14.3 | 18.3 | 22 | |||||
200 | 8 | 219.1 | 8.2 | 2.8 | 3.8 | 6.4 | 8.18 | 10.3 | 12.7 | 12.7 | 15.1 | 19.3 | 20.6 | 23 | 22.2 | |
250 | 10 | 273.1 | 9.3 | 3.4 | 4.2 | 6.4 | 9.27 | 12.7 | 12.7 | 15.1 | 19.3 | 21.4 | 25.4 | 28.6 | 25.4 | |
300 | 12 | 323.9 | 9.5 | 4 | 4.6 | 6.4 | 10.3 | 14.3 | 12.7 | 17.5 | 21.4 | 25.4 | 28.6 | 33.3 | 25.4 | |
350 | 14 | 355.6 | 9.5 | 4 | 4.8 | 6.4 | 7.9 | 11.1 | 15.1 | 12.7 | 19.1 | 23.8 | 27.8 | 31.8 | 35.7 | |
400 | 16 | 406.4 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 12.7 | 16.7 | 12.7 | 21.4 | 26.2 | 31 | 36.5 | 40.5 | |
450 | 18 | 457.2 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 14.3 | 19.1 | 12.7 | 23.8 | 29.4 | 34.9 | 39.7 | 45.2 | |
500 | 20 | 508 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 15.1 | 20.6 | 12.7 | 26.2 | 32.5 | 38.1 | 44.5 | 50 | |
550 | 22 | 558.8 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 22.2 | 12.7 | 28.6 | 34.9 | 41.3 | 47.6 | 54 | ||
600 | 24 | 609.6 | 9.5 | 5.5 | 6.4 | 6.4 | 9.5 | 17.5 | 24.6 | 12.7 | 31 | 38.9 | 46 | 52.4 | 59.5 | |
650 | 26 | 660.4 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
700 | 28 | 711.2 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
750 | 30 | 762 | 9.5 | 6.4 | 7.9 | 7.9 | 13 | 12.7 | ||||||||
800 | 32 | 812.8 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
850 | 34 | 863.6 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
900 | 36 | 914.4 | 9.5 | 7.9 | 13 | 19.1 | 12.7 |
O.D. | Sizes up to 12 inch NB, 6.00 mm Other Dia. upto 250 mm Other Dia. |
---|---|
Thickness | 0.3 – 50 mm thick |
Grade | P91 |
Specifications | ASTM A335 / SA335 |
Standard | ASME, AISI, EN, ASTM, GB, JIS, DIN |
Schedule Thickness Ranges | SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
Length | Single Random, Double Random, Cut to length |
Form | “U” Shape, Square, Pan Cake Coils, Coiled, Rectangular, Round, Hydraulic Tubes. |
End | Screwed, Beveled, Threaded, Plain |
Sizes | 5.0 milimeter - 1219.2 milimeter |
Type | Welded | CDW | ERW | DOM | Seamless | Fabricated | CEW |
Finish | Annealed & Pickled, Polished, Bright & Annealed, etc |
Specialized in | Heavy Duty Alloy Steel Drill Pipes, Alloy Steel Pipes Clamp Suppliers |
C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V, % | N, % | Ni, % | Al, % | Nb, % |
0.08-0.12 | 0.3-0.6 | 0.02 max | 0.01 max | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 max | 0.04 max | 0.06-0.10 |
ASTM | ASME | Equivalent material | JIS G 3458 | UNS | BS | DIN | ISO | ABS | NK | LRS |
---|---|---|---|---|---|---|---|---|---|---|
A335 P91 | SA335 P91 | T91, K90901, X10CrMoVNb9-1, 1.4903 | K91560 |
Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
585 min | 415 min | 20 min | 250 max |
'
Wall Thk | P91 | |
Inch | mm | Longitudinal |
5/16 (0.312) | 8 | 20 |
9/32 (0.281) | 7.2 | 19 |
1/4 (0.250) | 6.4 | 18 |
7/32 (0.219) | 5.6 | 17 |
3/16 (0.188) | 4.8 | 16 |
5/32 (0.156) | 4 | 15 |
7/8 (0.125) | 3.2 | 14 |
3/32 (0.094) | 2.4 | 13 |
1/18 (0.062) | 1.6 | 12 |
Product | Price |
---|---|
ASTM A335 P91 22mm Seamless steel pipes | $595.00 - $708.00/ Ton |
ASTM A335 Grade p91 nace saw pipes | $380.00 - $590.00/ Ton |
ASTM A335 P91 SCH80 6" Alloy Steel Seamless Pipes | $400/ Ton |
ASTM A335 P91 Sch80 XS Alloy Steel Pipes | $625.00 - $648.00/ Ton |
Find your sizes in our stock of ASTM A335 P91 Chrome Pipe in Mumbai, Many ASTM A335 P91 Pipe suppliers, importers, exporters, stockists, dealers, retailers, distributors, stockholders, and wholesalers choose us for the best price of ASTM A335 P91 type 2 ERW Pipe in India, Contact for a Quick Quote!
Temperature T ° C / ° F (° C / F) |
Specific heat J / kgK (Btu / lb ° F) |
Thermal conductivity W / mK (Btu · in / ft 2 · h · ° F) |
Electrical resistance μΩ · cm (Ω circ / ft) |
Young's modulus kN / mm 2 (10 3 ksi) |
Expansion coefficient from 20 ° C to T 10 -6 / K (10 -6 / ° F) |
---|---|---|---|---|---|
20/68 | 460 (-) | 26 (-) | 218 (-) | ||
200/392 | 207 (-) | 11.3 (-) | |||
400/752 | 190 (-) | 12.0 (-) | |||
500/932 | 30 (-) | 12.3 (-) | |||
600/1112 | 12.6 (-) | ||||
650/1202 | 162 (-) | 12.7 (-) |
Tensile Strength | P-91 |
ksi | 85 |
MPa | 585 |
ASTM A450 | Hot rolled | Tolerance, millimeter | O.D., millimeter |
+0.4/-0.8 | OD≤101.6 | ||
+0.4/-1.2 | 101.6<OD≤190.5 | ||
+0.4/-1.6 | 190.5<OD≤228.6 | ||
Cold Drawn | Tolerance, mm | O.D., mm | |
±0.10 | OD<25.4 | ||
±0.15 | 25.4≤OD≤38.1 | ||
±0.20 | 38.1<OD<50.8 | ||
±0.25 | 50.8≤OD<63.5 | ||
±0.30 | 63.5≤OD<76.2 | ||
±0.38 | 76.2≤OD≤101.6 | ||
+0.38/-0.64 | 101.6<OD≤190.5 | ||
+0.38/-1.14 | 190.5<OD≤228.6 | ||
ASTM A530 & ASTM A335 | NPS | Tolerance, millimeter | O.D., inch |
±0.40 | 1/8≤OD≤1-1/2 | ||
±0.79 | 1-1/2<OD≤4 | ||
+1.59/-0.79 | 4<OD≤8 | ||
+2.38/-0.79 | 8<OD≤12 | ||
±1% | OD>12 |
*Temp. °F | -20-100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 |
---|---|---|---|---|---|---|---|---|---|
*AS-I, ksi | 24.3 | 24.3 | 24.3 | 24.2 | 24.1 | 23.7 | 23.4 | 22.9 | 22.2 |
*AS-II, ksi | 24.3 | 24.3 | 24.3 | 24.2 | 24.1 | 23.7 | 23.4 | 22.9 | 22.2 |
*Temp. °F | 800 | 850 | 900 | 950 | 1000 | 1050 | 1100 | 1150 | 1200 |
*AS-I, ksi | 21.3 | 20.3 | 19.1 | 17.8 | 16.3 | 14.0 | 10.3 | 7.0 | 4.3 |
*AS-II, ksi | 21.3 | 20.3 | 19.1 | 17.8 | 16.3 | 12.9 | 9.6 | 7.0 | 4.3 |
*Temp.: The metal temperature shall be interpreted as “not exceeding”.
*AS-II: The max. allowable stress for thk. 3 inches or greater.
*AS-I: The max. allowable stress for thk. less than 3 inches.
*The above values are applicable to ASTM A335 Grade P91 Pipe used for power piping construction as per ASME B31.1.