Knowledge

Common surface defects? Horizontal crease: Caused by bending deformation due to the yield plateau during uncoiling; common in thicknesses of 3–6

Yield Strength (ReH)? Thickness ≤16mm: ≥235MPa; 16–40mm: ≥225MPa; >40mm: ≥215MPa. Tensile Strength (Rm)? 375–500MPa (thickn

What are the common specifications for Q235 steel coils? Hot-rolled: Thickness 1.2–25.4mm, Width 1000/1250/1500mm. Cold-rolled: Thickness 0.5&nd

What is Q235 steel coil? It's a national standard carbon structural steel coil, formerly known as A3 steel. Q = yield strength, 235 = yield streng

Q: Can Q235 be used instead of SPCC? A: Not recommended: Q235 has high strength, poor plasticity, and poor surface finish, making it unsuitable for st

Q: Is SPCC rust-resistant? A: No, it is not rust-resistant. Pure cold-rolled without plating, it will rust within days in a humid environment. Q: How

Q: What processing is SPCC suitable for? A: Bending, shallow punching, punching, cutting, and simple forming. Q: What causes SPCC to crack during stam

Q: What are the different surface finishes of SPCC? A: D = Matte (matte), B = Glossy (bright). Q: What is the common thickness range for SPCC? A: 0.15

Q: What is the tensile strength of SPCC? A: ≥270 MPa (commonly 300–370 MPa). Q: What is the elongation of SPCC? A: ≥34% (thickness 0.25&nd

Q: What is the typical composition of SPCC? A (wt%): C≤0.12, Mn≤0.50, P≤0.035, S≤0.025, Alt≥0.020. Q: What are the effects of high and

Q: What is SPCC material? A: It's a common cold-rolled low-carbon steel strip (generally used) conforming to the Japanese JIS G3141 standard, comm

Steel Grating is a grid like structure made of parallel steels bars that are joined at right angles by cross bars, creating a strong structure and ada