B.S. HR55

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

The high quality UK B.S. HR55 material is one of the more steel grades we supply, B.S. BS 2HR 55 (2010), B.S. BS HR 55,Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder). HR55 is our main production grade, which has been approved by customers in many countries since its initial production, including our HR55 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 HR55 materials, and we are willing to develop together with customers from all over the world.

Also includes HR55 steel material norm, chemical composition, mechanical properties, datasheet, HR55 equivalent, heat treatment and temperature process of HR55, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in HR55 this steel grade have a more comprehensive understanding, Download the full HR55 PDF version of this datasheet.

Chemical composition (wt.%) of HR55

Elements	Min.（≥）	Max.（≤）
C	0.04	0.08
Si	-	0.50
Mn	-	0.20
P	-	-
S	-	0.015
Cr	15.50	17.50
Ni	42.00	45.00
Mo	2.80	3.80
Co	-	2.00
Ti	1.10	1.30
Fe	-	remaining
Al	1.10	1.30
Cu	-	0.50
B	-	0.005
Pb	-	0.0015
Bi	-	0.0001
Ag	-	0.0005
Zr	0.01	0.04

Mechanical Properties of HR55

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
984 (≥)	628 (≥)	31	42	24	Solution & Aging, Ann, Ausaging, Q+T	133