442S19

442S19 Special Alloy

Chemical composition%of the ladle analysis of grade442S19

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Mo(％)	V(%)	W(%)	Cu(%)	Other(%)
0.20-0.25	0.20-0.60	1.0	0.040	0.030	11.0-13.5	0.50-1.0	0.75-1.25	0.17-0.30	0.75-1.25	0.50	Fe:Balance;

442S19  is a hardenable stainless steel designed for use at temperatures of up to 1200ºF (649ºC). 442S19   has good resistance to scaling and oxidation. Through heat treatment, high mechanical properties can be developed. 442S19   is used in applications such as compressors or steam turbines and also in aircraft parts, valves, high temperature bolting etc. 

Mechanical properties of grade442S19

Proof strength Rp0.2(MPa)	Tensile strength Rm(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
131(≥)	852(≥)	41	23	43	Solution and Aging,Annealing,Ausaging,Q+T,etc	113

Physical properties of grade 442S19

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	Expansion rate
466(≥)	271(≥)	13	33	13	Solution and Aging,Annealing,Ausaging,Q+T,etc	124
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
984	684	485

442S19 Range of products

Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)*W*L	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