Product details
Our ASTM A335 Gr P91 Seamless Alloy Steel Tubes are softer and therefore easily flexible in small pipe sizes, being more flexible. Hot-laminated pipes are also cost-effective, produced without delay, with a resistance that ensures the construction of buildings and railways. Like Allloy Steel P91 seamless tubes with no export costs, our export quality tubes offer hardening, weldability and workability. Chromium is responsible for surface hardness and excellent wear resistance, while molybdenum works to soften the metal for permissible welding. Product details.
Gnee Steel GroupIt is one of the most reputable manufacturer, exporter and supplier of high quality ASTM A 335 GR P91 seamless pipe steel alloy. Accessible in various measurements and levels, these P92 alloy synthetic steel pipes are generally used as part of various companies such as dairy, food preparation, construction, development and a few more. Additionally we offer focused range of ASTM A335 GR P22 Seamless steel pipes according to customer need. Each section of tube must be hydrostatic tested. In addition, each tube should be examined by a non-destructive examination method in accordance with the required practices. The range of ASTM A335 P91 pipe sizes that can be examined by each method must be subjected to limitations in the scope of the respective practice.
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List of countries where Gnee Steel Group supplies ASTM A335 Seamless Tube Steel Alloy P91 :USA, Mexico, South Korea, Spain, Argentina, Colombia, Malaysia, Saudi Arabia, Turkey, United Kingdom.
Steel seamless steel pipe P91 steel alloy
The ASTM A335 P91 seamless steel pipe is the main structural pipe material in the use of construction and high pressure. It will be manufactured by hot rolling and cold stretching. The material used correctly in the transfer of oil and gas, hot water at high pressure, special structure, transport of special chemicals, etc. The outer surface can be treated by galvanizing, painting, PE coating, PP coating, HDPE coating, etc... The main advantage is that the thickness can be large, then high pressure will be loaded into low quality steel. The normal valid usage time will be around 50-70 years. The standard can be API, ASTM, JIS, etc.
specs:
Standard: ASTM A / ASME SA335
Pipe size : 1 / 8NB A 26NB EN
Outside diameter : 6-2500mm; WT: 1-200 mm
Thickness: 0.3 mm - 50 mm
Scheme: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Seamless / EFW / Fabricated
Length: Single random, double random and required length
End: Flat end, beveled end, Treaded
Hot tags :
P91 seamless steel alloy pipe, ASTM A335 steel alloy P91 tube, Steel alloy P91 tube, ASTM A335 P91 tube, A335 P91 steel alloy seamless tube.
Alloy steel grade P91 seamless tubes grade and chemical composition
| Compositions | data |
| UNS designation | K91560 |
| charcoal | 0.08-0.12 |
| manganese | 0.30-0.60 |
| Phosphorus (max.) | 0.02 |
| Sulfur (max.) | 0.01 |
| silicon | 0.20-0.50 |
| nickel | ... |
| chromium | 8.00-9.50 |
| molybdenum | 0.85-1.05 |
| Other elements | ... |
Alloy steel gr. P91 pipes mechanical properties
| Tensile strength, MPa | Performance, MPa | Elongation, % |
| 585 min | 415 min | 60 min |
Outer diameter and tolerance
| ASTM A450 | Hot rolled | Outer diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6<> | +0.4/-1.2 | ||
| 190.5<> | +0.4/-1.6 | ||
| Cold drained | Outer diameter, mm | Tolerance, mm | |
| OD<> | ±0.10 | ||
| 25.4≤OD≤38.1 | ±0.15 | ||
| 38.1<><> | ±0.20 | ||
| 50.8≤OD<> | ±0.25 | ||
| 63.5≤OD<> | ±0.30 | ||
| 76.2≤OD≤101.6 | ±0.38 | ||
| 101.6<> | +0.38/-0.64 | ||
| 190.5<> | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outer diameter, mm | Tolerance, mm |
| 1/8≤OD≤1-1/2 | ±0.40 | ||
| 1-1/2<> | ±0.79 | ||
| 4<> | +1.59/-0.79 | ||
| 8<> | +2.38/-0.79 | ||
| OD>12 | ±1% |
ASTM A335 P91 Alloy Steel Tube Standard Packaging :
We can give peeled packaging, in packing package, packaging box, wood protection on both sides of pipes and conveniently protected for a dignified maritime delivery. According to customer requirements.
Inspection and testing of A335 P91 seamless steel alloy pipes :
(Tensile strength, production resistance, elongation, combustion, flattening, bending, hardness, impact test), chemical composition inspection, non-destructive testing, hydrostatic testing.
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