Tianjin Bohai Metal Corporation

420 Stainless Steel Sheet

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Commodity name: 420 Stainless Steel Sheet

Product Information

Alloy 420 is a hardenable, martensitic stainless steel that is a modification of Alloy 410. Similar to 410, it contains a minimum of 12% chromium, just sufficient enough to give corrosion resistant properties. Alloy 420 has higher carbon content than Alloy 410 which is designed to optimize strength and hardness characteristics. It has good ductility it the annealed condition but is capable of being hardened up to Rockwell hardness 50 HRC, the highest hardness of the 12% chromium grades. Due to its hardening properties, Alloy 420 is not often welded, although it is possible. Martensitic stainless steels are designed for high hardness and sometimes other properties are to some degree compromised. Corrosion resistance is lower than the common austenitic grades and their useful operating range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures. Its best corrosion resistance is achieved when the metal is hardened and surface ground or polished.

420 Stainless Steel Sheet

1. Grade:201 304 304L 316 316L 309S 310S 321 321H 317 317L 347 347H 405 409 409L 410 410S 420 430 444
2. Surface: 2B/BA/NO.1/NO.4/ NO.8/8k/HL/bright/polsied /satin/pickling ect
3. Length:2m,2.44m,2.5m,3m,5.8m,6mect or as your require.
width: 1m,1.22m,1.25m,1.5m,1.8m,2m,2.5m,3mor as your require.
4. Technique:Cold Rolled,Hot Rolled
5. Thickness:0.05-40mm

Product Description:	420 stainless steel sheet
Material:	420
Grade:	201 304 304L 316 316L 309S 310S 321 321H 317 317L 347 347H 405 409 409L 410 410S 420 430 444 S32750 S31500 S31803 2304 2205 1.4372 1.4319 1.4301 1.4833 1.4845 1.4401 1.4571 1.4404 1.4438 1.4541 1.455 1.4002 1.4512 1.4016 1.4521
Surface:	NO.1/NO.4/BA / 2B / brush/ HL / 8K / Mirror
Technique:	Cold Rolled,Hot Rolled
Size:	Thickness:0.05-40mm Width and Length: as your require
Markets:	All over the world
Used:	Mainly used in construction field, ship building industry, petroleum,chemical industries, war and electricity industries, food processing and medical,industry, boiler heat exchanger, machinery and hardware fields.

Product Details

Material Specifications:
EN 10088-2, ASTM A240, EN 10028-7, EN 10259, ISO 9445
Chemistry:

C	Mn	P	S	Si	Ni	Cr	Cu	N	Mo
.16-.25	1.50 Max	.040 Max	.015 Max	1.0 Max		12.0-14.0

Mechanical Properties:

Tensile		Yield		Hardness		Elongation		Reduction Area
700 N/mm2 Max		450 N/mm2 Max		225 Max (HB)

Application

It is widely used in chemical, food, medicine, paper, petroleum, atomic energy and other industries, as well as construction, kitchenware, tableware, vehicles, household appliances and other components. In order to ensure that the yield strength, tensile strength, elongation and hardness of various stainless steel sheets meet the requirements, the steel sheets must be annealed, solution treated and aged before delivery.

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