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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | A 1040 (2010) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels |
| 2 | A 29/A 29M (2012) | Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for |
| 3 | A 510/A 510M (2011) | General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel |
| 4 | A 512 (2006) | Cold-Drawn Buttweld Carbon Steel Mechanical Tubing |
| 5 | A 513/A 513M (2012) | Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing |
| 6 | A 519 (2006) | Seamless Carbon and Alloy Steel Mechanical Tubing |
| 7 | A 576 (1990) | Steel Bars, Carbon, Hot-Wrought, Special Quality |
| 8 | A 830/A 830M (2011) | Plates, Carbon Steel, Structural Quality, Furnished to Chemical Composition Requirements |
| 9 | SAE J 1397 (1992) | Estimated Mechanical Properties and Machinability of Steel Bars |
| 10 | SAE J 403 (2009) | Chemical Compositions of SAE Carbon Steels |
| 11 | SAE J 412 (1995) | General Characteristics and Heat Treatments of Steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.22 | 0.28 | ||
| Mn | 0.60 | 0.90 | ||
| P | 0.040 | |||
| S | 0.050 |
| Tensile strength | 445～713 | σb/MPa |
| Yield Strength | 000 | σ 0.2 ≥/MPa |
| Elongation | 33 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 874～519 | - |
| HRC | 30 | - |
| Thermal expansion | 21-25 | e-6/K |
| Thermal conductivity | 50-14 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 4405-1484 | 째C |
| Density | 5472-0129 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 1026 Structural Steel | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |