B.S. HR404

2014-03-03 17:24:40 Print this page

The high quality UK B.S. HR404 material is one of the more steel grades we supply, B.S. BS HR 404 (1973), B.S. BS 2HR 404 (2011),Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5). HR404 is our main production grade, which has been approved by customers in many countries since its initial production, including our HR404 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 HR404 materials, and we are willing to develop together with customers from all over the world.

Also includes HR404 steel material norm, chemical composition, mechanical properties, datasheet, HR404 equivalent, heat treatment and temperature process of HR404, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in HR404 this steel grade have a more comprehensive understanding, Download the full HR404 PDF version of this datasheet.

Chemical composition (wt.%) of HR404

Elements	Min.（≥）	Max.（≤）
C	0.04	0.08
Si	-	0.40
Mn	-	0.60
P	-	-
S	-	0.007
Cr	19.00	21.00
Ni	-	remaining
Mo	5.60	6.10
Co	19.00	21.00
Ti	1.90	2.40
Fe	-	0.70
Al	0.30	0.60
Ag	-	0.0005
Al+Ti	2.40	2.80
Cu	-	0.20
B	-	0.0050
Bi	-	0.0001
Pb	-	0.002

Mechanical Properties of HR404

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
825 (≥)	289 (≥)	42	24	23	Solution & Aging, Ann, Ausaging, Q+T	444