Get Appoinment

Location » Home » Grades > Special Alloy > 420J2TKA

CNS 420J2TKA Enquiry | Print this page

420J2TKA Application:China Taiwan Stainless steel

Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	420J2TKA	CNS	China

Chemical composition % of the ladle analysis of grade 420J2TKA

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)
0.26-0.40	1.03	1.03	0.04	0.03	12.0-14.0	Max 0.60

420J2TKA

Mechanical properties of grade 420J2TKA

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)
551 (≥)	446 (≥)	41	43	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical properties of grade 420J2TKA

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
383 (≥)	782 (≥)	23	33	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	224
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
442	516	529

420J2TKA 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

Cross Reference Table(Equivalent Grade)

Grade	Standard	Country	Application
SUS 420J2TKA	CNS	China	Stainless steel pipes for machine and structural purposes
420J2TKA	CNS	China	CNS standard mechanical and structure with stainless steel pipe

Enquiry