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B.S. 2S.144 Details

B.S. 2S.144 Standard Download

2S.144 Application:Specification for chromium-nickel-copper-molybdenum corrosion resisting steel (precipitation hardening) billets, bars, forgings and parts (1130-1330 MPa)

Category	Type	Grade	Designations
Grades	Stainless Steels	2S.144	UK - B.S. , BS S 144 - Specification for chromium-nickel-copper-molybdenum corrosion resisting steel (precipitation hardening) billets, bars, forgings and parts (1130-1330 MPa)

Chemical composition(wt.%) of 2S.144 grade: BS S 144

Elements	Min.（≥）	Max.（≤）
C	-	0.07
Si	-	0.60
Mn	-	1.00
P	-	0.035
S	-	0.025
Cr	13.20	14.70
Ni	5.00	5.80
Mo	1.20	2.00
Nb	0.10	0.40
Cu	1.20	2.00

Specification for chromium-nickel-copper-molybdenum corrosion resisting steel (precipitation hardening) billets, bars, forgings and parts (1130-1330 MPa)

Mechanical properties of grade 2S.144 BS S 144

Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
453 (≥)	329 (≥)	14	23	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	413

Physical properties of grade 2S.144 BS S 144

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2
644 (≥)	671 (≥)	32	23	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	311
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
489	158	364

2S.144 - Form of Supply

Product type	Products	Dimension	Processes	Deliver Status
Plates / Sheets	Plates / Sheets	0.08-200mm(T)WL	Forging, hot rolling and cold rolling	Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar	Round Bar, Flat Bar, Square Bar	Φ8-1200mm*L	Forging, hot rolling and cold rolling, Cast	Black, Rough Turning, Shot Blasting,
Coil / Strip	Steel Coil /Steel Strip	0.03-16.0x1200mm	Cold-Rolled & Hot-Rolled	Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes	Seamless Pipes/Tubes, Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion, Cold Drawn, Welded	Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade	Standard	Country	Application
2S.144	B.S.	UK	Specification for chromium-nickel-copper-molybdenum corrosion resisting steel (precipitation hardening) billets, bars, forgings and parts (1130-1330 MPa)

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