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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