SAE L7
2013-05-16 23:22:28 Print this pageThe high quality USA SAE L7 material is one of the more steel grades we supply, Low Alloy Tool Steel. L7 is our main production grade, which has been approved by customers in many countries since its initial production, including our L7 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of L7 materials, and we are willing to develop together with customers from all over the world.
Also includes L7 steel material norm, chemical composition, mechanical properties, datasheet, L7 equivalent, heat treatment and temperature process of L7, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in L7 this steel grade have a more comprehensive understanding, Download the full L7 PDF version of this datasheet.
Chemical composition (wt.%) of L7
Elements | Min.(≥) | Max.(≤) |
---|---|---|
C | 0.95 | 1.05 |
Si | 0.20 | 0.40 |
Mn | 0.25 | 0.45 |
Cr | 1.25 | 1.75 |
Mo | 0.30 | 0.50 |
V | - | - |
W | - | - |
Mechanical Properties of L7
Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
---|---|---|---|---|---|---|
365 (≥) | 283 (≥) | 23 | 33 | 23 | Solution & Aging, Ann, Ausaging, Q+T | 223 |