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:
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 |