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SAE J526 UNS G10080 or UNS G10100 Welded Low-Carbon Steel Tubing
SAE J526 welded single-wall low-carbon steel tubing intended for general automotive,refrigeration,hydraulic, and other similar applications requiring tubing of a quality suitable for bending,flaring,beading,forming,and brazing.
Material: SAE J526.
Wall thickness:0.5-15mm
Diameter: 1-100mm
Length :12Max Upon request
Application :General automotive,refrigeration,hydraulic, and other similar applications
Grade: UNS G10080 or UNS G10100
Produce method:The tubing shall be made from a single strip of steel shaped into a tubular form,the edges of which are joined and sealed by a suitable welding process.After welding,the bead shall be removed from the outside to provide a smooth round surface and the tubing shall be processed in such a manner as to produce a finished product which meet all requirements of this document.Typically this type of tubing is available in both coiled and straight condition.Straightness requirements should be agreed upon between supplier and purchasing .
| Steel Grade and Chemical Compositions | |||||
| Steel Grade | C | Si | Mn | P | S |
| max | max | max | max | max | |
| UNS G10080 | 0.1 | 0.07-0.6 | 0.30-0.50 | 0.03 | 0.05 |
| UNS G10100 | 0.08-0.13 | 0.07-0.6 | 0.30-0.60 | 0.03 | 0.05 |
| MECHANICAL REQUIREMENTS | |
| Properties | Values |
| Yield Strength, min (0.2% offset) | 170 MPa |
| Tensile Strength, min | 290 MPa |
| Elongation in 50 mm | 14% min |
| Hardness (Rockwell 30 T scale), max | 65 |
| TUBING DIMENSIONS AND TOLERANCES | |||||
| Dash Size | Nominal Tubing OD mm | Outside Diameter (2) Basic mm | Outside Diameter (2) Tolerance ±mm | Wall Thickness (3)(4) basic mm | Wall Thickness (3) Tolerance ±mm |
| −2 | 3.18 | 3.18 | 0.05 | 0.64 | 0.13 |
| −3 | 4.76 | 4.76 | 0.08 | 0.71 | 0.13 |
| −4 | 6.35 | 6.35 | 0.08 | 0.71 | 0.08 |
| −5 | 7.94 | 7.92 | 0.08 | 0.71 | 0.08 |
| −6 | 9.53 | 9.53 | 0.08 | 0.71 | 0.08 |
| −7 | 11.11 | 11.13 | 0.10 | 0.76 | 0.08 |
| −8 | 12.70 | 12.70 | 0.10 | 0.76 | 0.08 |
| −8 | 12.70 | 12.70 | 0.10 | 0.89 | 0.09 |
| −9 | 14.29 | 14.27 | 0.10 | 0.76 | 0.08 |
| −10 | 15.88 | 15.88 | 0.10 | 0.89 | 0.09 |
1. Other sizes may be specified by agreement between the supplier and the user.
2. The actual outside diameter shall be the average of the maximum and minimum
outside diameters as determined at any one cross section through the tubing.
3. The tolerances listed represent the maximum permissible deviation at any point.
4. For intermediate wall thickness, the tolerance for the next heavier wall thickness
shall apply.
Relevant standard :SAE J1677-Tests and procedures of SAE Low-Carbon steel and Copper Nickel Tubing
SAE J409-Product Analysis –Premissible Variations from Specified Chemical Analysis of a Heat or Cast of steel
