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| Place of Origin | CHANGZHOU, CHINA |
| Brand Name | Joyruns |
| Certification | ISO9000 |
| Model Number | 6mm --137mm |
ASTM A333 Gr.6 50.3*3.8mm Low-Temperature Carbon steel Tube
ASTM A333 Standard covers seamless and welded steel pipe for low-temperature service. ASTM A333 Grade 6 steel involved is similar to AISI 4032 low alloy steel. ASTM A333 Grade 6 pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.
Packing: Bare packing/bundle packing/crate packing/wooden protection at both sides of tubes and suitably protected for sea-worthy delivery or as requested.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test
Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test
Surface and Dimension Test, No-destructive Test, Hydrostatic Test.
ASTM A333 Gr. 6 Chemical Compositions(%)
| Elements | Composition, % |
| Carbon(max) | 0.3 |
| Silicon | ≥0.10 |
| Manganese | 0.29-1.06 |
| Phosphorus(max) | 0.025 |
| Sulfur(max) | 0.025 |
| Chromium | — |
| Nickel | |
| Copper | — |
| Molybdenum | — |
| Vanadium | — |
| Aluminum |
ASTM A333 Gr.6 Mechanical Properties
| Data | ASTM A333 Grade 6 |
| Tensile strength, min, psi (MPa) | 60 000 (415) |
| Yield strength, min, psi (MPa) | 35 000 (240) |
Impact temperature
Minimum Impact Test Temperature -45 C(-50 F)
Impact requirements
| Size | Minimum Average Notched Bar Impact Value of Each Set of Three Specimens | Minimum Notched Bar Impact Value of One Specimen Only of a Set | ||
| Size of Specimen, mm | ft-lbf | J | ft-lbf | J |
| 10 by 10 | 13 | 18 | 10 | 14 |
| 10 by 7.5 | 10 | 14 | 8 | 11 |
| 10 by 6.67 | 9 | 12 | 7 | 9 |
| 10 by 5 | 7 | 9 | 5 | 7 |
| 10 by 3.33 | 5 | 7 | 3 | 4 |
| 10 by 2.5 | 4 | 5 | 3 | 4 |
Straight-line interpolation for intermediate values is permitted.
Impact temperature reduction
| Specimen Width Along with Notch or Actual Material Thickness mm | Temperature Reduction, Degrees Colder C |
| 10 (standard size) | 0 |
| 9 | 0 |
| 8 | 0 |
| 7.5 (3/4 standard size) | 3 |
| 7 | 4 |
| 6.67 (2/3 standard size) | 5 |
| 6 | 8 |
| 5 (1/2 standard size) | 11 |
| 4 | 17 |
| 3.33 (1/3 standard size) | 19 |
| 3 | 22 |
| 2.5 (1/4 standard size) | 28 |
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