ASTM A822 Seamless Cold-Drawn Carbon Steel Tubes
- ASTM A822
- China
- Stock
- A822
ASTM A822 Steel Tubes covers nominal wall thickness, seamless. cold-drawn carbon steel tubing intended for use in hydraulic systems and in other similar applications where forming operations require tight radius bending and flaring.
ASTM A822 Seamless Cold-Drawn Carbon Steel Tubes
ASTM A822 Seamless Cold-Drawn Carbon Steel Tubes
Standard:ASTM A822 / A822M
Standard Specification for Seamless Cold-Drawn Carbon Steel Tubing for Hydraulic System Service
ASTM A822 Steel Tubes covers nominal wall thickness, seamless. cold-drawn carbon steel tubing intended for use in hydraulic systems and in other similar applications where forming operations require tight radius bending and flaring.
ASTM A822 Seamless Cold-Drawn Carbon Steel Tubes sizes and thicknesses usually furnished to this specification are 1/8in to 3 1/2 in. [3.2 to 88.9 mm] in outside diameter and 0.035 to 0.134 in.[0.9 to 3.4 mm] inclusive, in nominal wall thickness
ASTM A822 Seamless Cold-Drawn Carbon Steel Tubes Quick Details
Company Name: Beite steel pipe
Country/Region: China
Product Name：ASTM A822 Cold-Drawn Carbon Steel Tubes
Manufacture：cold-drawn,seamless process.
Outside Diameter：3.2mm——88.9mm
Wall thickness：0.9mm——3.4mm
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)
Manufacture
ASTM A822 Steel Tubes shall be made by the seamless process and shall be cold drawn to size.
Heat Treatment
ASTM A822 Steel Tubes shall be heated after the final cold working operation to a temperature of at least 1200°F [650°C|.
Chemical Composition
| Element | Composition. % |
| Carbon | 0.18 max |
| Manganese | 0.27 to 0.63 |
| Phosphorus | 0.048 max |
| Sulfur | 0.058 max |
Mechanical Properties
| Tensile strength, min., ksi [MPa] | 45 [310] |
| Yield strength. min., ksi [MPa] | 25 [170] |
| Elongation, in 2 in. [or 50 mm], min., % | 35 |
| Hardness | 65 HRB |
NOTE:Mechanical property requirements do not apply lo tuhing smaller than 1/8 in. [3.2 nim] in inside diameter or 0.015 in. [0.4 mm] in thickness.
Permissible Variations in Dimensions
Permissible variations in tiie outside diameter of the tubing shall not exceed the values given in Table 3.10.2 Permissible variations in thc wall thickness of the tuhing shall not exceed ± 10 % for tubing having 0.50 in. [12.7 mm ] or larger nominal outside diameter or more than ± 15% for tubing having a smaller nominal oulsidc diameter.
| Nominal Tubing Outside Diameter,A in. (mm) | Outside Diameter Tolerance,in. [mm] |
| Up to 1 [25] | ± 0.004 (0.10） |
| 1 to 1½ [25 to 38] | ± 0.006 (0.15) |
| Over 1½ to 2 [38 to 50], | ± 0.008 (0.20) |
| Over 2 to 3½ [50 to 90]. | ± 0.010 (0.25) |
Tests
Tension test,
flaring test,
flattening test.
Hardness test
Hydrostatic Proof Test
Packaging
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden)
ASTM A822 Cold-Drawn Carbon Steel Tubes ARE packaged or bundled in such a manner as to prevent damage in ordinary handling and iransportaiion.
Ordering Information
Orders for material include the following, as required, to describe the desired material adequately:
1.1 Quantity (feet, metres, or number of lengths)
1.2 Name of material (seamless tubing).
1.3 Manufucture (cold-drawn),
1.4 Tube size (outside diameter and nominal wall thickness).
1.5 Length (specific or random).
1.6 Test report required
1.7 Specification designation, and
1.8 End use of material.
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