ASTM A335 P91 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
WE SPECIALIZED IN PRODUCING AND EXPORTING CARBON STEEL SEAMLESS PIPES AND WELDED STEEL PIPES, BLACK AND HOT-DIPPED GALVANZIED, MEDIUM AND LOW PRESSURE BOILER TUBES, OIL CASING TUBING AND LINE PIPES, QUALIFY THE INTERNATIONAL STANDARD, SUCH AS API 5CT J55/55/N80/P110, API 5L/ASTM A53/A106 GRADE A/B, ASME A179/A192, DIN 2440/2448, BS1387, etc. SIZES AVAILABLE IN RANGE: 1/4"-48".
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ASTM A335 Steel Ferritic Alloy Tubes Pipe for High-Temperature and Boilers
ASTM A335 Seamless ferritic and alloy steel pipe for high temperature service
Applications: for Boilers,Superheaters,Heat-Exchangers
Size range: O.D.:6-420mm W.T.:1-50mm L: according to customer requirement
Production details:
| Standard | ASTM, BS, JIS, DIN,GB |
| O.D. | 1/2"-24" 10-610mm |
| W.T. | SCH10--XXS 1.5-60mm |
| Length | 5m-12m |
| End protection | Plastic caps |
| Outside Coating | Black painting, anti-corrosion oil, galvanized or as per required by customers |
| Packing | Wrapped in bundles by steel strips/bulk |
| Delivery | By sea container |
| Production Capacity | 5000 tons per month |
| Delivery time | 10-30days depend on your quantity |
| Tolorance | OD :+1% / -1% WT: +12.5% / -10% |
| Application | Transportation of oil,gas or fluid,Construction,Electricity,Machine building industy,Chemical industy,Petroleum,Traffic. |
| Main market | Asia, India, Middle East, America, Europe |
seamless steel pipe chemical composition:
| Grade | C | Si | Mn | P | S | Cr | Mo |
| P5 | Max.0.15 | Max.0.50 | 0.3-0.6 | Max.0.025 | Max.0.025 | 4--6 | 0.45-0.65 |
| P11 | 0.05-0.15 | 0.5-1.0 | 0.3-0.6 | Max.0.025 | Max.0.025 | 1.0-1.5 | 0.44-0.65 |
| P12 | 0.05-0.15 | Max.0.50 | 0.3-0.61 | Max.0.025 | Max.0.025 | 0.8-1.25 | 0.44-0.65 |
| P22 | 0.05-0.15 | Max.0.50 | 0.3-0.6 | Max.0.025 | Max.0.025 | 1.9-2.6 | 0.87-1.13 |
| Mechanical properties | | | | | | | |
| Grade | Yield point (Mpa) | Tensile strength (Mpa) | Elongation(%) | Impact value(J) | | | |
| P5 | ≥205 | ≥415 | See table | ≥35 | | | |
| P11 | ≥205 | ≥415 | See table | ≥35 | | | |
| P12 | ≥220 | ≥415 | See table | ≥35 | | | |
| P22 | ≥205 | ≥415 | See table | ≥35 | | | |
Product Analysis
1 At the request of the purchaser, an analysis of two pipes from each lot shall be made by the manufacturer.
2 The results of these analyses shall be reported to the purchaser or the purchaser’s representative, and shall conform to the requirements
3 For grade P 91 the carbon content may vary for the product analysis by −0.01 % and +0.02 % from the specified range
4 If the analysis of one of the tests specified in 8.1 does not conform to the requirements specified in 6.1, an analysis of each billet or pipe from the same heat or lot may be made, and all billets or pipe conforming to the requirements shall be accepted.
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