Alloy Steel UNS K11562 Pipes, A335 P12 Alloy Steel Seamless Pipe, Alloy Steel ASTM A335 Grade P12 Seamless Pipe Manufacturer, Seamless Ferritic Alloy-Steel P12 Pipe, ASME SA335 Grade P12 Alloy Steel Pipe Supplier in Mumbai, India.
Neminox Steel & Engineering Co. is a major producer and supplier of ASTM A335 P12 Pipe in a wide range of shapes, sizes and dimensions. Welding the material together is a simple process. Welding is simple because of the low carbon concentration. Welding cracking is a common problem with high carbon steel. The nominal bore sizes vary from 1/8NB to 24NB, and the wall thicknesses range from 2mm to 14mm, with exterior dimensions ranging from 19.05mm to 114.3mm. The nominal bore sizes range from 1/8NB to 24NB, and the wall thicknesses range from 2mm to 14mm. The sa335 gr p12 pipes are within the big diameter pipe size category, and they may come in single random, double random or cut to length sizes up to 16000mm. There are a variety of pipe endpoints available, including threaded, plain end, and bevelled end pipe types. The chemical makeup of P11 and P12 pipes distinguishes them from one another.
The chromium concentration in P11 can reach up to 1.25 per cent, and the molybdenum content can reach up to 45 per cent, but the molybdenum content in the P12 grade can reach up to one per cent in the composition. As a result, the ASTM A335 P12 Seamless Pipe has different corrosion resistance and hardness than other seamless pipes. It is estimated that both grades have a minimum tensile strength of 415 MPa and average yield strength of 205 MPa. There are many heat treatment techniques available to improve the hardness of Alloy Steel P12 Pipes, including complete or isothermal annealing, normalized and tempered heat treatment. Please do not hesitate to contact us if you need further information about the items or costs.
Table of Content
- Specifications of P12 Alloy Steel Boiler Steel Pipe
- Chemical Composition of ASTM A335/ASME SA335 P12 High Quality Alloy Steel Pipe
- Mechanical properties of Seamless Heat Exchange Alloy Steel P12 Pipes
- Heat Treatment Requirements of ASTM A 335 GR P12
- Type of ASTM A335 P12 High Pressure Steel Pipe
- Tensile Requirements of ASTM A 335 GR P12
- Permissible Variation in Wall Thickness of ASTM A 335 GR P12
Global Supplier of High Quality Alloy Steel P12 Seamless Pipe, ASTM A335 P12 High Pressure Steel Pipe, Alloy Steel P12 Seamless Pipes, P12 Alloy Steel Boiler Steel Pipe Distributor, Alloy Steel Pipe P12, ASTM A691 Alloy Steel EFW Pipe, P12 High Pressure Steel Pipe Exporter in India.
Specifications of P12 Alloy Steel Boiler Steel Pipe
Chemical Composition of ASTM A335/ASME SA335 P12 High Quality Alloy Steel Pipe
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 0.015 max | 0.30-0.61 | 0.025 max | 0.025 max | 0.50 max | 0.80-1.25 | 0.45-0.65 |
Mechanical properties of Seamless Heat Exchange Alloy Steel P12 Pipes
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
Alloy Steel Pipes & Tubes
Square Pipe
Round Pipe
Rectangular Pipe
Heat Treatment Requirements of ASTM A 335 GR P12
| P5, P9, P11, and P22 | |||
| Grade | Heat Treatment Type | Normalizing Temperature Range F [C] | Subcritical Annealing or Tempering Temperature Range F [C] |
| P5 (b,c) | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| Subcritical Anneal (P5c only) | ***** | 1325 - 1375 [715 - 745] | |
| P9 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| P11 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1200 [650] | |
| P22 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| P91 | Normalize and Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
| Quench and Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Type of ASTM A335 P12 High Pressure Steel Pipe
Tensile Requirements of ASTM A 335 GR P12
| Seamless | ||||||
| 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 | |
Permissible Variation in Wall Thickness of ASTM A 335 GR P12
| NPS [DN] Designator | Tolerance, % from Specified | |
| Over | Under | |
| 1/8 to 2 1/2 [6 to 65] incl., all t/D ratios | 20.0% | 12.5% |
| Above 2 1/2 [65], t/D < or = 5% | 22.5% | 12.5% |
| Above 2 1/2 [65], t/D > 5% | 15.0% | 12.5% |
| (t = Specified Wall Thickness; D = Specified Outside Diameter) | ||
