Description
F11 Round Bars / ASTM A182 F11
F11 Round Bars / ASTM A182 F11 are heat resistant steels, and belongs to the ASTM A182 standard. At high temperatures, they have high temperature mechanical properties, high temperature oxidation resistance, good toughness and process performance, and have a certain resistance to hydrogen corrosion.
F11 are mainly used in pressure systems, included are flanges, fittings, valves and similar parts and widely used in the manufacture of petrochemical, coal conversion, nuclear power, steam turbine cylinders, thermal power and other large-scale equipment with harsh operating conditions and complex corrosive media.
Condition of supply : As Rolled / Forged, Annealed
Surface Condition : Black, Bright, Proof machined, Machined to Requirements
Commonly Stocked Material Forms:
- • Rolled Bar
- • Forged Bar
Form of supply:
Material can be supplied, Black Annealed – Rolled/Forged Bar, Proof Machined, Bright Turned or Ground Bar, Cut Pieces or Machined to customer specification.
Size ranges from:
Round Bar : 70 mm Dia to 850 mm Diameter
Chemical Composition of F11 Round Bars :
| Elements | Min. | Max. |
| C | 0.05 | 0.15 |
| Si | 0.50 | 1.00 |
| Mn | 0.30 | 0.60 |
| S | 0.04 | |
| P | 0.04 | |
| Cr | 1.00 | 1.50 |
| Mo | 0.44 | 0.65 |
F11 Steel Equivalent Grade :
Germany / DIN : 13CrMo44 / 1.7335
China / GB : 15CrMoA
Machining of F11 Round Bar :
F11 is readily machinable allowing processes such as Sawing, Turning, Drilling, Boring and Milling to be relatively easily achieved.
Applications of F11 Round Bar:
F11 is widely used in the oil patch wellhead applications for connectors, hangers and block valves and a wide range of Fittings and Flanges
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