Machinery — Spring steel is used for manufacturing machinery and equipment, from lawnmowers and aircrafts to conveyers and pumps. Hand tools — With its high strength, spring steel is perfect for producing strong, durable tools like pliers, wrenches, and scissors.
Supply Form & Size
Form of Supply | Size(mm) | Length(mm) |
Round bar | 6.0mm-1200mm | 2.5m-10m |
Chemical Composition&Related Specifications
Grade | C | Si | Mn | P | S | Cr |
6150 | 0.48-0.53 | 0.15-0.35 | 0.7-0.9 | ≤0.035 | ≤0.04 | 0.8-1.1 |
Brand comparison table
AISI/SAE | DIN/EN | BS | JIS/KS | China |
6150 | 51CrV4(1.8159) | 51CrV4(1.8159) | SUP10 | 50CrVA |
Mechanical Property
tensile strength σb (MPa) | ≥1274(130) |
yield strength σs (MPa | ≥1127(115) |
hardness | hot-rolling≤321HB;Cold drawing+heat treatment≤321HB |