ASTM A335 P22 Alloy Steel Seamless Tubes Hot Rolled For Boiler
ASTM A335 P22 Alloy Steel Seamless Tubes Hot Rolled for Boiler
YUHONG is one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China.
1.Manufacture method: cold rolled, cold drawn, hot rolled.
2,material:P22
2.Standard:ASTM A335 p22
3.Size range: 12.7mm*1.2mm - 325mm*50mm
4.Delivery condition: normalized, normalized+tempered,Quenched+tempered
5.Payment terms: T/T 30%payment in advance, 70% T/T before shipment or by L/C
6.Packing: Export sea worthy package
7.END:＜2" (60.3mm) Plain end;＞2"(60.3mm) Bevelled end; Square cut;Plastic caps at both ends
8.Application:Structural use ,roofing, commercial use, household appliance, industry, family etc
9.Quality control:
a)Mill Test Certificate is supplied with shipment.
b)Third party inspection is highly welcomed.
P22 Pipe Chemical Requirements
| Propriétés chimiques | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Carbone | Silicium | Manganèse | Phosphoreux | Soufre | Molybdène | Nickel | Chrome | Cuivre | Autres |
| 0.05-0.15 | 0,50 max | 0.30-0.60 | 0.025 | 0.025 | 0.87-1.13 | – | 1.90-2.60 | – | – |
P22 Pipe Mechanical Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
ASTM A335 Gr P22 Equivalent Material
| Désignation équivalente | |||||
|---|---|---|---|---|---|
| VACARME | FR | BS | NFA | ASTM | COMME MOI |
| DIN 17175 Grade 10CrMo9-10 | EN 10CrMo9-10 Grade 10253 - 2 | NFA A 49-215 Grade TU 10 CD 9-10 | ASTM A335 Grade P22 | ASME SA 335 Grade P22 | UNI G3458 |
Heat Treatment Requirements
| 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] |
Tensile Requirements
| Seamless | ASTM A335 P5 | ASTM A335 P9 | ASTM A335 P11 | ASTM A335 P22 | ASTM A335 P91 |
| 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 |
ASTM A335 Grade P22 pipes are commonly used in applications such as power generation, petrochemical plants, refineries, and other high-temperature and high-pressure environments where resistance to corrosion, high temperature, and stress are crucial.
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