Describe
FAQ

420 stainless steel tube

420 stainless steel :High carbon content,High hardness, high strength,Cutting Class martensitic stainless steel,

Similar to Brandt high chromium steel,The earliest stainless steel can do very bright, suitable for knives, springs, surgical instruments, valve.

420 chemical composition

Grade

420

min.

max.

0.15

0.040

0.03

12.0

14.0

420 stainless steel tube mechanical properties

420	UTS ksi(mpa)	0.2%YS ksi(mpa)	Elongation % in 2”(50.8 mm)	Hardness Rockwell
Annealed	85(586)	40(276)	25	B88
Hardened and stress relieved	230(1586)	195(1344)	8	C55

equivalent of grade 420 stainless steel

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
420	S42000	420S37	56C	1.4021	X20Cr13	2303	SUS 420J1

CORROSION RESISTANCE

420 provides full corrosion resistance only in the hardened or hardened and stress relieved conditions.
In these conditions, its corrosion resistance is similar to Type 410.

Type 420 resists corrosion by the atmosphere,fresh water, mine water, steam,
carbonic acid, crude oil, gasoline, perspiration, alcohol, ammonia, mercury,
sterilizing solutions, soaps and othersimilar corrosive media.

Quotations:

FOB/CFR/CIF
Products Inspection:

Issued Original Mill test certificate
Products Service:

Shot blasting and Painting, Cutting, welding and so on
Shipside:

Qingdao, Shanghai, Tianjin, ect.