What is Alloy Steel Pipe?
Alloy steel pipe is a versatile grade that is alloyed with different alloying elements. The alloying elements in the alloy steel pipe impact its corrosion resistance, hardness, and toughness. Iron and carbon are the primary elements with the other additions. These pipes are highly versatile and can be easily welded in place. The Alloy pipe price is dependent on its chemical composition and alloying elements.
Check other grades for best price
Alloy Steel Pipe Specification
| Specifications | ASME SA 335/ ASTM A335 |
| Grade | ASTM A691, ASTM A335 Grade P9, P21, P12, P5, P91, P22, P11, ASTM A213 grade T11, T12, T22, T5, T9, T91, |
| Tubing Size | 1 / 2” OD – 5” OD, or as per need |
| Size | 1/8″NB – 30″NB IN |
| Outer Diameter | 6mm to 2500mm; WT:1mm to 200mm |
| Length | Within 13500 millimeter |
| Dimensions | ASME, ASTM and API |
| End | Treaded, Plain End and Beveled End |
| Schedule | SCH30, SCH40, SCH120, STD, SCH80, XS, SCH80, SCH60, SCH140, XXS, SCH20, SCH160, |
| Length | Double Random, Single Random & Cut to size |
| Form | Hydraulic and Round |
| Type | Fabricated and Seamless |
What is cra clad pipe?
CRA is a corrosion resistant alloy grade. A CRA cladded pipe has conventional carbon or low alloy steel. The cladding material of the pipe is metallurgically bonded on their internal and external surface. The cladding material is economically favourable for producing an alloy steel boiler pipe and other pipes that have to work under stress.
What type of alloy pipe welding is used on pipelines?
Pipelines of alloy steel can be welded using a variety of welding procedures. Some common methods include shielded arc welding, gas metal arc welding in both MIG and MAG welded methods. Flux cored arc welding, submerged arc welding, and tungsten inert gas can also be used to weld an alloy pipe.
Alloy Steel Seamless vs Welded Pipe
| Size in Inch | Grade | Price in USD/Ton |
|---|---|---|
| 1/2 | P11 | US $1,790.00 |
| 3/4 | P11 | US $1,720.00 |
| 1 | P11 | US $1,650.00 |
| 1.25 | P11 | US $1,610.00 |
| 1.5 | P11 | US $1,560.00 |
| 1/2 | P22 | US $2,075.00 |
| 3/4 | P22 | US $2,000.00 |
| 1 | P22 | US $1,940.00 |
| 1.25 | P22 | US $1,900.00 |
For more price check the relevant grades
Notes:
Most Selling Types of Alloy Pipe
Alloy Steel Welded Pipe
Seamless Alloy Steel Pipe
Alloy Steel Pipe
Alloy Steel ERW Pipe
Alloy Steel EFW Pipe
Alloy Steel Boiler Pipe
Alloy Steel Seamless Pipe Wall Thickness
Schedule Chart of Alloy Steel Boiler Pipe
| NB | Size | OD | S60 | 5S | S80 | 10S | S20 | S160 | S10 | S40 | XS/80S | S100 | 40S | S120 | S140 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||
| 1/4” | 13.72 | 3.02 | 1.7 | 2.24 | ||||||||||||
| 1/8” | 10.29 | 2.41 | 1.2 | 1.73 | ||||||||||||
| 3/8” | 17.15 | 3.2 | 1.7 | 2.31 | ||||||||||||
| 20 | 3/4” | 26.67 | 1.7 | 3.91 | 2.1 | 5.56 | 2.87 | 3.91 | 2.9 | 7.82 | ||||||
| 15 | 1/2” | 21.34 | 1.7 | 3.73 | 2.1 | 4.78 | 2.77 | 3.73 | 2.8 | 7.47 | ||||||
| 25 | 1” | 33.4 | 1.7 | 4.55 | 2.8 | 6.35 | 3.38 | 4.55 | 3.4 | 9.09 | ||||||
| 40 | 1 1/2” | 48.26 | 1.7 | 5.08 | 2.8 | 7.14 | 3.68 | 5.08 | 3.7 | 10.2 | ||||||
| 32 | 1 1/4” | 42.16 | 1.7 | 4.85 | 2.8 | 6.35 | 3.56 | 4.85 | 3.6 | 9.7 | ||||||
| 50 | 2” | 60.33 | 1.7 | 5.54 | 2.8 | 9.74 | 3.91 | 5.54 | 3.9 | 11.1 | ||||||
| 80 | 3” | 88.9 | 2.1 | 7.62 | 3.1 | 11.1 | 5.49 | 7.62 | 5.5 | 15.2 | ||||||
| 65 | 2 1/2” | 73.03 | 2.1 | 7.01 | 3.1 | 9.53 | 5.16 | 7.01 | 5.2 | 14 | ||||||
| 350 | 14” | 355.6 | 15.1 | 4 | 19.1 | 4.8 | 7.9 | 35.7 | 6.4 | 11.1 | 12.7 | 23.8 | 9.5 | 27.8 | 31.8 | |
| 90 | 3 1/2” | 101.6 | 2.1 | 8.08 | 3.1 | 5.74 | 8.08 | 5.7 | ||||||||
| 125 | 5” | 141.3 | 2.8 | 9.53 | 3.4 | 15.9 | 6.55 | 9.53 | 6.6 | 12.7 | 19.1 | |||||
| 300 | 12” | 323.9 | 14.3 | 4 | 17.5 | 4.6 | 6.4 | 33.3 | 10.3 | 12.7 | 21.4 | 9.5 | 25.4 | 28.6 | 25.4 | |
| 100 | 4” | 114.3 | 2.1 | 8.56 | 3.1 | 13.5 | 6.02 | 8.56 | 6 | 11.1 | 17.1 | |||||
| 150 | 6” | 168.3 | 2.8 | 11 | 3.4 | 18.3 | 7.11 | 10.97 | 7.1 | 14.3 | 22 | |||||
| 250 | 10” | 273.1 | 12.7 | 3.4 | 15.1 | 4.2 | 6.4 | 28.6 | 9.27 | 12.7 | 19.3 | 9.3 | 21.4 | 25.4 | 25.4 | |
| 200 | 8” | 219.1 | 10.3 | 2.8 | 12.7 | 3.8 | 6.4 | 23 | 8.18 | 12.7 | 15.1 | 8.2 | 19.3 | 20.6 | 22.2 | |
| 400 | 16” | 406.4 | 16.7 | 4.2 | 21.4 | 4.8 | 7.9 | 40.5 | 6.4 | 12.7 | 12.7 | 26.2 | 9.5 | 31 | 36.5 |
How many types of Alloy Steel Welded Pipe coating are there?
There are predominantly 3 types of coating for an Alloy Steel Welded Pipe. They are the fusion bonded epoxy coating, Three Layer Poly Ethylene or Propylene coating, and Coal Tar Enamel Coating. The alloy steel ERW pipe is protected against corrosive media due to these protective coverings.
Advantages of Seamless Alloy Steel Pipe
Alloy steel seamless pipe is manufactured with the best technology and has good strength. The alloy steel pipes have good corrosion resistance, thermal conductivity, better solderability, and electrical conductivity. Alloy steel pipe suppliers supply pipes that have increased hardenability and are light but very durable.
Alloy Steel ERW Pipe Diameter Tolerances
| Alloy Steel Pipes | Over | Under | ||
| NPS [DN] | mm | inch | mm | inch |
| Over 4 – 8 / DN 100 – 200 | 1.59 | 1/16 (0.062) | 0.79 | 1/32 (0.031) |
| Over 1 1/2 – 4 / DN 40 – 100 | 0.79 | 1/32 (0.031) | 0.79 | 1/32 (0.031) |
| 1/8 – 1 1/2 / DN 6 – 40 | 0.4 | 1/64 (0.015) | 0.4 | 1/64 (0.015) |
| Over 8 – 12 / DN 200 -300 | 2.38 | 3/32 (0.093) | 0.79 | 1/32 (0.031) |
| Over 12 / > DN 300 | +/- 1% of the specified OD | |||
What are Alloy Steel Seamless Pipe Beveling, Grooving, and Threading?
Pipes of alloy steel seamless grade are shaped at the ends that allow them to connect to different materials. Alloy steel seamless pipe is bevelled by cutting the metal usually at an angle of the edge. This allows the pipe to be prepared for the welding process. Grooving is an operation wherein the metal is turned to create grooves in the workpiece. Seamless alloy steel pipe threading is done with a mechanical tool that creates threads at the ends of pipes. This helps it to connect with different equipment.
Value added Services of Low Alloy Steel Pipe
Cracking Reasons Of Underground Alloy Steel Welded Pipes
Underground alloy steel welded pipes are caused due to low ductility fracture in the area of the weld. Alloy Steel EFW Pipe in this area also has multiple intergranular secondary cracks. The failure is propagated due to cracking initiated by the weld affected zone on the outer surface.
Chrome Alloy Steel Pipes Grades
Heat Treatment of IBR Alloy Steel Pipe
| Alloy Steel Pipe | |||
| Grade | Type of Heat Treatment | Temperature Range in F [C] of Normalizing | Tempering or Subcritical Annealing Range of Temperature F [C] |
| P9 | Isothermal or Full Anneal | ||
| Temper and Normalize | ***** | 1250 [675] | |
| P5 (b,c) | Isothermal or Full Anneal | ||
| Temper and Normalize | ***** | 1250 [675] | |
| Subcritical Anneal (P5c only) | ***** | 1325 to 1375 [715 to 745] | |
| P22 | Isothermal or Full Anneal | ||
| Temper and Normalize | ***** | 1250 [675] | |
| P11 | Isothermal or Full Anneal | ||
| Temper and Normalize | ***** | 1200 [650] | |
| P91 | Temper and Normalize | 1900 to 1975 [1040 to 1080] | 1350 to 1470 [730 to 800] |
| Temper and Quench | 1900 to 1975 [1040 to 1080] | 1350 to 1470 [730 to 800] |
Find below largest Manufacturers Pipe Stock
| Mill | Country |
| Chomutov | Czech |
| Michigan Seamless | USA |
| Jiangu Chengde Steel Tube Co Ltd. Ltd | China |
| Vallourec Tubes | France, Germany,& Brazil |
| Eschweiller(Bentler) | Germany |
| Sumitomo Metal | Japan |
| Tenaris | Mexico, Italy, & Argentina |
| Productos Tubulares | Spain |
| JFE | Japan |
| Wyman Gordon | USA |
| Tubos Reunidos | Spain |
| Rockwell Collins | USA |
Chromoly Steel Alloy Pipe Weight Chart
| Size | Other Diameter | WT | Pipe I.D. | Gallon | Standard to XXHY | Section Modulus | Weight | Schedule Pipe # |
| 1/2 | 0.84 | 0.109 | 0.622 | .0158 | STD | .0407 | 0.85 | 40 |
| 0.188 | 0.464 | .0088 | .0528 | 1.31 | 160 | |||
| 0.147 | 0.546 | .0122 | XHY | .0478 | 1.09 | 80 | ||
| 1 1/4 | 1.66 | 0.140 | 1.380 | .0777 | STD | .2346 | 2.27 | 40 |
| 0.250 | 1.160 | .0549 | .3421 | 3.77 | 160 | |||
| 0.191 | 1.278 | .0666 | XHY | .2913 | 3.00 | 80 | ||
| 3/4 | 1.05 | 0.113 | 0.824 | .0277 | STD | .0705 | 1.13 | 40 |
| 0.219 | 0.612 | .0153 | .1006 | 1.95 | 160 | |||
| 0.154 | 0.742 | .0225 | XHY | .0853 | 1.48 | 80 | ||
| 3 | 3.50 | 0.120 | 3.260 | .4336 | 1.0411 | 4.34 | ||
| 0.156 | 3.188 | .4147 | 1.3122 | 5.58 | ||||
| 0.188 | 3.124 | .3984 | 1.5342 | 6.66 | ||||
| 0.438 | 2.624 | .2811 | 2.8774 | 14.34 | 160 | |||
| 0.172 | 3.156 | .4064 | 1.4265 | 6.12 | ||||
| 0.300 | 2.900 | .3431 | XHY | 2.2253 | 10.26 | 80 | ||
| 0.216 | 3.068 | .3840 | STD. | 1.7241 | 7.58 | 40 | ||
| 0.250 | 3.000 | .3672 | 1.9372 | 8.69 | ||||
| 0.281 | 2.938 | .3521 | 2.1207 | 9.67 | ||||
| 2 | 2.375 | 0.109 | 2.157 | .1898 | .4205 | 2.64 | 10 | |
| 0.154 | 2.067 | .1743 | STD | .5606 | 3.66 | 40 | ||
| 0.344 | 1.687 | .1161 | .9806 | 7.47 | 160 | |||
| 0.281 | 1.813 | .1344 | .8666 | 6.29 | ||||
| 0.218 | 1.939 | .1534 | XHY | .7309 | 5.03 | 80 | ||
| 0.250 | 1.875 | .1434 | .8045 | 5.68 | ||||
| 1 1/2 | 1.90 | 0.145 | 1.610 | .1058 | STD | .3262 | 2.72 | 40 |
| 0.281 | 1.338 | .0730 | .5079 | 4.86 | 160 | |||
| 0.200 | 1.500 | .0918 | XHY | .4118 | 3.63 | 80 | ||
| 1 | 1.315 | 0.133 | 1.049 | .0449 | STD | .1328 | 1.68 | 40 |
| 0.250 | 0.815 | .0271 | .1904 | 2.85 | 160 | |||
| 0.179 | 0.957 | .0374 | XHY | .1606 | 2.17 | 80 | ||
| 2 1/2 | 2.875 | 0.120 | 2.635 | .2833 | .6870 | 3.53 | 10 | |
| 0.250 | 2.375 | .2301 | 1.2468 | 7.02 | ||||
| 0.203 | 2.469 | .2487 | STD. | 1.0640 | 5.80 | 40 | ||
| 0.216 | 2.443 | .2435 | 1.1169 | 6.14 | ||||
| 0.276 | 2.323 | .2202 | XHY | 1.3386 | 7.67 | 80 | ||
| 0.375 | 2.125 | .1842 | 1.6371 | 10.02 | 160 | |||
| 3 1/2 | 4.0 | 0.120 | 3.760 | .5768 | 1.3776 | 4.98 | 10 | |
| 0.318 | 3.364 | .4617 | XHY | 3.1400 | 12.52 | 80 | ||
| 0.226 | 3.548 | .5136 | STD. | 2.3939 | 9.12 | 140 | ||
| 0.250 | 3.500 | .4998 | 2.6001 | 10.02 | ||||
| 0.281 | 3.438 | .4821 | 2.8562 | 11.17 |
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