Precision Sheet Metal Fabrication Manufacturer
July 17, 2023
Theoretical mass calculation of metal materials
September 12, 2023Representation method of steel specification
See Table 1-29 for specification of steel.
Table 1-29 Representation method of steel specification
| Name | Specification representation method | Example |
| Round steel and wire rod | diameter | Round steel 10mm or 10mm |
| Square steel | Side length x side length | Square Steel 15mm x 15mm OR (15mm) |
| Hexagonal steel bar | Diameter of inscribed circle | Hexagon steel 8mm |
| Octagonal steel | Diameter of inscribed circle | Octagonal steel 70mm |
| Flat steel bar | Side width x thickness | FLAT STEEL 40mm x 20mm |
| Equal-leg angle steel | Side width x side width x side thickness | EQUAL ANGLE 40mm x 40mm x 3mm OR (40mm) – x3mm OR 4 |
| Unequal angle steel | Long side width x short side width x side thickness | Unequal angle 80mm x 50mm x 6mm or 8/5 |
| Channel steel | Height x leg width x waist thickness | Channel 50mm x 37mm x 4.5mm or 5 |
| I beam steel | Height x leg width x waist thickness | I-bar 160mm x 88mm x 6mm or 16 |
| rail | Nominal mass per meter length (kg) | Rail 50kg |
| steel plate | Thickness x Width x Length | Steel plate 10mm 1000mm 2000mm (write thickness only if length and width are not required) |
| steel strip | Thickness x Width | Steel strip 0.5mm x 100mm |
| seamless steel tube | OD x wall thickness x length | Seamless pipe 32mm x 2.5mm or 32m2.5mm3000mm |
| Welded steel pipe | Inch system for nominal diameter (approximate inner diameter) | Welded pipe 8mm or 1/4 |
| Round steel wire | Diameter or wire gauge No | Wire 0.16mm or p0.16mm, or AWG gauge 34 |
| Wire rope (round strand) | Number of strands x number of strands per strand diameter | Steel wire group 6×7-3.8mm, lay direction requirements, strength requirements, etc. shall be indicated separately |
