Description
F22 Round Bars / ASTM A182 F22
F22 Round Bars is a Low alloy steel containing nominally 2.25% Chromium. F22 is commonly used as the base metal for clad components. The popularity of F22 stems from its improved weldability over 4130 while maintaining good strength and excellent impact properties.
F22 Alloy Steel Round Bars 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.
They 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 F22 Round Bars :
| Elements | Min. | Max. |
| C | 0.05 | 0.15 |
| Si | 0.50 | |
| Mn | 0.30 | 0.60 |
| S | 0.04 | |
| P | 0.04 | |
| Cr | 2.00 | 2.50 |
| Mo | 0.87 | 1.13 |
F22 Steel Equivalent Grade :
Germany / DIN : 10CrMo9-10 / 1.7380
Machining of F22 Round Bar :
F22 is readily machinable allowing processes such as Sawing, Turning, Drilling, Boring and Milling to be relatively easily achieved.
Applications of F22 Round Bar:
F22 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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