SS400 Overview
SS400 Products Description
In the realm of structural grade steel, SS400 material stands out for its excellent strength-to-weight ratio, high flexibility, and impressive corrosion resistance. It is extensively used across various applications and industries, primarily in construction, automotive, and ship-building due to its unique properties.
The advantages of SS400 include its high corrosion resistance, superior weldability, and excellent machinability which make it a preferred choice over other structural steels. However, it has a lower tensile strength which may limit its use in certain high-strength applications.
In comparison with other structural steels, such as mild steel, SS400 provides superior corrosion protection and weldability but may lack in strength. The choice between SS400 and other steels depends on the specific requirements of the project.
In terms of availability and pricing, SS400 is widely accessible and competitively priced in the market, making it a cost-effective choice for various industries. Real-world examples and case studies further demonstrate its versatility and performance in different scenarios.
SS400 Product Details
| Symbol of grade | Yield point or proof strength N/mm2 |
Tensile strength N/mm2 |
Elongation | Bendability | |||||||
| Thickness a) mm |
Thickness a) mm |
Test piece |
% | Bending angle | Inner radius | Test piecec) | |||||
| ≤16 | >16 ≤40 |
>40 ≤100 |
>100 | ||||||||
| SS400 | ≥245 | ≥235 | ≥215 | ≥205 | 400 to 510 | ≤5 in thickness of steel plates/sheets, strips in coil and flats | No. 5 | ≥21 | 180° | 1.5 x thickness |
No. 1 |
| >5 ≤16 in thickness of steel plates/sheets, strips in coil and flats | No. 1A | ≥17 | |||||||||
| >16 ≤50 in thickness of plates/sheets, strips in coil and flats | No. 1A | ≥21 | |||||||||
| >40 in thickness of plates/sheets and flats | No. 4 | ≥23 b) | |||||||||
| ≤25 in diameter or distance across flats of bars | No.2 | ≥20 | 180° | 1.5 x diameter or distance across flats | No. 2 | ||||||
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