– Advantages:
+ Come in different shapes and sizes with a smooth and shiny surface, our products can meet the diverse demands and requirements or customers.
+ With the high-quality and impact resistance, Vina One Cold Rolled Steel have an edge of durability and reliability that make us the trusted supplier or high-grade steel for various requirements.
– Applications:
+ Industries: shipbuilding, automobile, etc.
+ Engineering: panel manufacturing, packaging, fabrication, drums, barrels, etc.
+ Home appliances, Metal furnitures.
Vina One not only manufactures the products as our standard commercial specifications, but also make to customer’s orders.
DIMENSIONS & TOLERANCES | |||||||||
Division | |||||||||
Thickness (mm) | Width (mm) | ||||||||
0.30 ~ 2.00 |
300 ~ 1250 | ||||||||
Tolerance Allowances of Thickness in Class A JIS G 3141 |
|||||||||
Nominal Thickness (mm) |
Nominal Width (mm) |
||||||||
≦ 630 |
630< W ≦ 1000 | ||||||||
0.25< t ≦ 0.40 | ±0.04 | ±0.04 | |||||||
0.40< t ≦ 0.60 | ±0.05 | ±0.05 | |||||||
0.60< t ≦ 0.80 | ±0.06 | ±0.06 | |||||||
0.80< t ≦ 1.00 | ±0.06 | ±0.06 | |||||||
1.00< t ≦ 1.25 | ±0.07 | ±0.07 | |||||||
1.25< t ≦ 1.60 | ±0.08 | ±0.09 | |||||||
1.60< t ≦ 2.00 | ±0.10 | ±0.11 | |||||||
Tolerance Allowances of Width (mm) | |||||||||
Nominal Width |
Tolerances | ||||||||
< 1250 | -0, +7 | ||||||||
≥ 1250 |
-0, +10 |
CHEMICAL COMPOSITIONS & MECHANICAL PROPERTIES | ||||||||||
Chemical Compositions (%) | ||||||||||
Grade | C | Mn | P | S | ||||||
SPCC | ≦ 0.15 | ≦ 0.60 | ≦ 0.100 | ≦ 0.035 | ||||||
Mechanical Properties | ||||||||||
Grade | Temperature Class |
Tensile Yield (N/mm2) |
Tensile Strength (N/mm2) |
Elongation (%) | ||||||
0.25mm≦t < 0.3mm |
0.3mm ≦t < 0.4mm |
0.4mm ≦t < 0.6mm |
0.6mm ≦t < 1.0mm |
1.0mm ≦t < 1.6mm |
1.6mm ≦t < 2.5mm |
2.5mm ≦t |
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SPCC | Hard | – | – | – | – | – | – | – | – | – |
Hardness (HRB & HV) | ||||||||||
Temper Grade |
Symbol of Temper Grade |
Temper | ||||||||
HRB | HV | |||||||||
Full hard | 1 | ≥ 80 | ≥ 170 |
TESTING CHARACTERISTICS | |||||||||||
Shapes | |||||||||||
Category | Tolerances (mm) | ||||||||||
Flatness |
Wave | Edge wave | Central Buckle | ||||||||
≦ 12 | ≦ 8 | ≦ 6 | |||||||||
Bendability | ≦ 4 in any 2000 length (Width≦ 630) | ||||||||||
≦ 2 in any 2000 length ( Width > 630) | |||||||||||
Bending Test | |||||||||||
Temper Grade |
Symbol of Temper Grade | Bending Angle | Bend Radius |
||||||||
Full Hard | 1 | – | – |