B.S. HR204
2014-03-03 17:24:40 Print this pageThe high quality UK B.S. HR204 material is one of the more steel grades we supply, B.S. BS HR 204 (1972), B.S. BS 2HR 204 (2009),Specification for nickel-chromium-iron-molybdenum-cobalt-tungsten heat-resisting alloy plate, sheet and strip (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6). HR204 is our main production grade, which has been approved by customers in many countries since its initial production, including our HR204 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 HR204 materials, and we are willing to develop together with customers from all over the world.
Also includes HR204 steel material norm, chemical composition, mechanical properties, datasheet, HR204 equivalent, heat treatment and temperature process of HR204, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in HR204 this steel grade have a more comprehensive understanding, Download the full HR204 PDF version of this datasheet.
Chemical composition (wt.%) of HR204
Elements | Min.(≥) | Max.(≤) |
---|---|---|
C | 0.05 | 0.15 |
Si | - | 1.00 |
Mn | - | 1.00 |
P | - | 0.040 |
S | - | 0.015 |
Cr | 20.50 | 23.00 |
Ni | - | remaining |
Mo | 8.00 | 10.00 |
Co | 0.50 | 2.50 |
Ti | - | - |
Fe | 17.00 | 20.00 |
W | 0.20 | 1.00 |
B | - | 0.0100 |
Pb | - | 0.005 |
Mechanical Properties of HR204
Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
---|---|---|---|---|---|---|
227 (≥) | 459 (≥) | 13 | 11 | 11 | Solution & Aging, Ann, Ausaging, Q+T | 422 |