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BT2① chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of BT2①

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BT2①

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This page is mainly introduced the BT2① chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of BT2①,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:BT2①
Type:Special Alloy
Country:UK
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
BT2①		UK
BT20①	SS	UK
BT20①	SS	UK
BT20①	SS	UK
BT20①	SS	UK
BT21		UK
BT21		UK
BM34①		UK
BM34①		UK
BHMA①:9-1-9		UK
BHMA①:9-1-9		UK
BHMA①:7-1-9		UK
BHMA①:7-1-9		UK
BHMA①:9-2-6		UK
BHMA①:9-2-6		UK
BHMA①:6-3-5		UK
BHMA①:6-3-5		UK
BHMA①:7-2-6		UK
BHMA①:7-2-6		UK
BHMA①:4-4-4		UK
BHMA①:4-4-4		UK
BHMA①:3-4-4		UK
BHMA①:3-4-4		UK
BHMA①:3-5-3		UK
BHMA①:3-5-3		UK
BHMA①:2-6-3		UK
BHMA①:2-6-3		UK
BHMA①:1-8-2		UK
BHMA①:1-8-2		UK
BHMA①:4-5-2		UK
BHMA①:4-5-2		UK
BHMA①:3-6-3		UK
BHMA①:3-6-3		UK
BHMA①:2-7-3		UK
BHMA①:2-7-3		UK
BHMA①:9-3-0		UK
BHMA①:9-3-0		UK
BHMA①:8-3-0		UK
BHMA①:8-3-0		UK
BHMA①:7-4-1		UK
BHMA①:7-4-1		UK
BHMA①:5-6-0		UK
BHMA①:5-6-0		UK
BHMA①:2-8-0		UK
BHMA①:2-8-0		UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	370～453	σb/MPa
Yield Strength	740	σ 0.2 ≥/MPa
Elongation	51	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	557～777	-
HRC	30	-

Physical Properties

Thermal expansion	60-64	e-6/K
Thermal conductivity	69-85	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5971-1794	째C
Density	9447-2757	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
BT2① Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk