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Categories：Steel Bars
Model No.:51CrV4
Delivery condition: hot rolled/cold drawn/ annealed...
Surface: hot rolled/cold drawn/ peeled....
51CrV4 Hot Rolled Spring Steel Flat Bar
Products Details
Spring steel refers to steel due to the elasticity in the quenched and tempered condition, and specifically for the manufacture of springs and elastic components. Spring steel depends on its ability to elastically deform, i.e., within the prescribed range, the ability to withstand a certain elastic deformation so that the load does not occur in the permanent deformation after the load is removed.Spring steel flat bar is especially used for laminated leaf spring,Agricultural machinery springs,Chain products.
Quality Standard
BS EN 10089-2002 Hot rolled steels for quenched and tempered springs
Chemical Composition(%)
Steel Grade | C | Si | Mn | P | S | Cr | V |
51CrV4 | 0.47-0.55 | 0.40 max | 0.70-1.10 | 0.025 max | 0.025 max | 0.90-1.20 | 0.10-0.25 |
Mechanical Properties(Quenched and Tempered Condition)(T=20°C if not differently stated)
Steel Grade | Tensile Strength Rm (Mpa) | Yield Strength Rp0.2 (Mpa) | Elongation A5 (%) | Area Reduction Ratio C (%) |
51CrV4 | 1275 min | 1130 min | 10 min | 40 min |
Heat Treatment
Steel Grade | Quenching Temperature (°C) | Media | Tempering Temperature (°C) |
51CrV4 | 850 | oil | 500 |
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