B.S. BT1

2015-02-10 19:54:45 Print this page

The high quality UK B.S. BT1 material is one of the more steel grades we supply, B.S. BS 4659,W series high speed steel. BT1 is our main production grade, which has been approved by customers in many countries since its initial production, including our BT1 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 BT1 materials, and we are willing to develop together with customers from all over the world.

Also includes BT1 steel material norm, chemical composition, mechanical properties, datasheet, BT1 equivalent, heat treatment and temperature process of BT1, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in BT1 this steel grade have a more comprehensive understanding, Download the full BT1 PDF version of this datasheet.

Chemical composition (wt.%) of BT1

Elements	Min.（≥）	Max.（≤）
C	0.70	0.80
Si	-	0.40
Mn	-	0.40
Co	-	1.00
Cr	3.75	4.50
Mo	-	0.70
Ni	-	0.40
V	1.00	1.25
W	17.5	18.5
Cu	-	0.20
Sn	-	0.05

Mechanical Properties of BT1

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
768 (≥)	124 (≥)	41	23	23	Solution & Aging, Ann, Ausaging, Q+T	433