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[China]
Address: Room 1703, 17th Floor, Building 5, Jinyin Modern City, Guangdian South Road, Jinshui District, Zhengzhou City, Henan Province, China.
Contact name:Vicky
Zhengzhou Huitong Pipeline Equipment Co.,Ltd. |
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ASTM A335 P22 seamless alloy steel pipe for high temperature service
1. ASTM A335 P22 pipe Specification :
| Size | : | 1/8NB TO 24NB IN |
| Standards | : | ASTM A 335, ASME SA 335 |
| Type | : | Seamless |
| Specialized in | : | Large Diameter Size |
| Outer Dimensions | : | 19.05mm – 114.3mm |
| Wall Thickness | : | 2.0mm – 14 mm |
| Length | : | max 16000mm |
| Schedule | : | Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk. |
| Form | : | Round, Square, Rectangular, Hydraulic Etc. |
| Length | : | Single Random, Double Random & Cut Length. |
| Tubing End | : | Plain End, Beveled End, Treaded. |
2. ASTM A335 P22 material introduction
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 0.015 max | 0.30-0.61 | 0.025 max | 0.025 max | 0.50 max | 1.90-2.60 | 0.87-1.13 |
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
| 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] |
| 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 | |
3. ASTM A335 P22 steel pipe photo
