ASTM A426 Grade CP9 Centrifugally Cast Ferritic Alloy Steel
ASTM A426 Grade CP9 Centrifugally Cast Ferritic Alloy Steel Pipe Standard:ASTM A426/A426M Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service ASTM A426 Grade CP9 Steel Pipe covers centrifugal
ASTM A426 Grade CP9 Centrifugally Cast Ferritic Alloy Steel
ASTM A426 Grade CP9 Centrifugally Cast Ferritic Alloy Steel Pipe
Standard:ASTM A426/A426M
Standard Specification for
Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A426 Grade CP9 Steel Pipe covers centrifugally cast alloy steel pipe intended for use in high-temperature, high-pressure service.
ASTM A426 Grade CP9 Cast Ferritic Alloy Pipe Quick Details
Company Name: Beite steel pipe
Country/Region: China
Product Name：ASTM A426 Grade CP9 Cast Ferritic Alloy Pipe
Manufacture：Centrifugally Cast.
Outside Diameter：48.3-1011mm
Wall thickness：3.2mm——38mm
Length：6000mm、12000m or specified length as require
Port of Shipment：Tianjin,China
Payment：L/C or T/T
Delivery: 7-15 days after payment
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden)
Materials and Manufacture
Heat-Treatment—The pipe shall be furnished in the normalized and tempered or liquid-quenched and tempered condition (Note 1). The temperature for tempering shall not be less than 1250°F [675°C]
Machining—The ASTM A426 Grade CP9 Centrifugally Cast Ferritic Alloy Steel Pipe are machined on the inner and outer surfaces to a roughness value no greater than 250 µ in.
Chemical Composition
| Composition, % | ||||||||
| Grade |
UNS Number |
Carbon | Manganese |
Phos- phorus, max |
Sulfur, max |
Silicon | Chromium | Molybdenum |
| CP9 | J82090 |
0.20 max |
0.30- 0.65 |
0.040 | 0.045 |
0.25- 1.00 |
8.00- 10.00 |
0.90-1.20 |
Mechanical Properties
| Tensile strength, min, psi [MPa]: | |
| Grades CP9 | 90 000 [620] |
| Yield strength, min, psi [MPa]: | |
| Grades CP9 | 60 000 [415] |
| Elongation, min, %: A | |
| Grades CP9 | 18 |
| Reduction of area, min, % | |
| Grades CP9 | 35 |
| Hardness, max, HB: | |
| Grades CP9 | 225 |
Permissible Variations in Dimensions
Thickness—The wall thickness shall not vary over that specified by more than 1 ⁄ 8 in. [3 mm]. There shall be no variation under the specified wall thickness.
Tests
Hydrostatic Test--Each length of pipe will be hydrostatically tested
One tension and one hardness test shall be made from each heat
Visual Inspection
The surface of the casting shall be free from cracks and hot tears as determined by visual examination. Other surface imperfections shall be judged in accordance with visual acceptance criteria which may be specified in the order.
Ordering Information
Orders for material include the following, as required, to describe the desired material adequately:
1.1 Quantity (feet, centimetres, or number of lengths),
1.2 Name of material (centrifugally cast pipe),
1.3 Specification number,
1.4 Grade (CP9),
1.5 Size (outside or inside diameter and minimum wall thickness),
1.6 Length (specific or random) ,
1.7 End finish ,
1.8 Test report required,
1.9 Service temperature if over 1000°F [540°C],and
1.10 Special requirements or additions to specification.
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