Is SGC570 steel a low carbon steel?
SGC570 is a low carbon micro alloy steel
SGC570 is a high strength hot dip galvanized steel coil in Japanese Industrial Standard (JIS G 3302)
Composition specification (JIS G 3302 requirement)
|
element |
Content range (wt%) |
Function |
|
C |
≤0.15 |
Ensure weldability and formability |
|
Mn |
≤1.70 |
Solid solution strengthening |
|
P |
≤0.025 |
Control cold brittleness |
|
S |
≤0.020 |
Reduce hot brittleness |
|
Nb/V/Ti |
≤0.10 (total) |
Refine grains and improve strength |
What is the material of SGC570 galvanized steel coil?
SGC570 is a high strength hot dip galvanized steel coil in Japanese Industrial Standard (JIS G 3302)
Brand composition:
SGC: Hot-dip galvanized steel plate (Steel Galvanized Coil)
570: Minimum tensile strength 570MPa (actually can reach 570-700MPa)
Material composition
|
Substrate |
Low carbon steel (C≤0.15%) + Nb/V/Ti microalloy |
Improved strength through fine grain strengthening |
|
Coating |
Pure zinc (Zn≥99%) |
Sacrificial anode protection, corrosion prevention |
|
Surface treatment |
Chromate passivation (+C) or chromium-free passivation (+NC) |
Enhanced corrosion resistance, environmental compliance |
What is the difference between SGC570 steel , SGC490 and SGCC?
|
Features |
SGC570 |
SGC490 |
SGCC |
|
Tensile strength |
570-700MPa |
490-620MPa |
270-420MPa |
|
Coating selection range |
Z22-Z35 |
Z18-Z27 |
Z12-Z22 |
|
Price (relative value) |
1.5 |
1.2 |
1.0 |
|
Applicable to extreme environments |
Mine/Ocean |
Industrial atmosphere |
Ordinary indoor |
SGC570 steel advantages
Ultra-high strength: more than 2 times stronger than SGCC
Thick coating protection: Z35 coating salt spray life of 15 years + (ISO 9227)
Forming balance: bending radius ≥ 4 times the plate thickness (horizontally); recommended stamping speed ≤ 30 times/minute
SGC570 Hot Dip Galvanized Steel Coil is used for?
|
Industry |
Specific parts |
Plating recommendations |
|
Construction machinery |
Excavator boom, crane structure |
Z27-Z35 |
|
Logistics equipment |
Heavy-duty shelves, automated storage systems |
Z22-Z27 |
|
Automobile manufacturing |
Commercial vehicle beams, special vehicle chassis |
Z27+passivation treatment |
|
Energy equipment |
Wind turbine tower connectors, transformer brackets |
Z35 |
