441 Stainless Steel Coil

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Product Name:

441 Stainless Steel Coil

441 Stainless Steel is one of Ferritic stainless steel with excellent elevated temperature corrosion resistance, good formability and weldability by reducing C and N, while adding Ti and Nb contents based on 430 grade, which are mainly used in Auto exhaust parts and converter.

Peak Metal, always treat quality as company core heart, has abundant experiences on supplying 441 stainless steel sheet and coil with commitments to endusers and distributors abroad for a few years, guaranteed material quality and delivery period for all our valued customers.

● Available Specification

Item	Standard	Finish	Thick. (mm)	Width (mm), Master Coil Sizes						Remark
Item	Standard	Finish	Thick. (mm)	1000	1219	1250	1500	1800	2000	Remark
441 Stainless Steel Coil	ASTM JIS GB	No.1 (1D)	3.0~8.0		※	※				1.Cut length upto 12 meters
441 Stainless Steel Coil	ASTM JIS GB	2B, 2D	0.4~3.0	※	※	※				1.Cut length upto 12 meters

● Features

1. Magnetic, ferritic stainless steel with extra low C, N contents, and addition of Ti & Nb.
2. High thermal conductivity, low coefficient of thermal expansion, excellent formability and weldability.
3. Extra-high resistance to auto exhaust condensate corrosion and oxidation resistance, with elevated temperature strength.

● Applications

Automotive exhaust systems: Exhaust manifold, Catalytic converter, Muffler, and Mechanical conjunction etc.

● Chemical Composition

GRADE	400 SERIES, MAX, %
GRADE	C	Mn	P	S	Si	Cr	Ni	Mo	N	Others
405	0.08	1.0	0.04	0.03	1.0	11.5-14.5	0.6	-	-	Al 0.10-0.30
409L	0.03	1.0	0.04	0.02	1.0	10.5-11.7	0.5	-	0.03	Ti 63(C+N) min, 0.50 max; Cb 0.17
410	0.08-0.15	1.0	0.04	0.03	1.0	11.5-13.5	0.75	-	-	-
410S	0.08	1.0	0.035	0.03	1.0	11.5-13.5	0.6	-	-	-
420J1	0.16-0.25	1.0	0.04	0.03	1.0	12.0-14.0	-	-	-	-
420J2	0.26-0.4	1.0	0.04	0.03	1.0	12.0-14.0	-	-	-	-
430	0.12	1.0	0.04	0.03	1.0	16.0-18.0	0.75	-	-	-
434	0.12	1.0	0.04	0.03	1.0	16.0-18.0	-	0.75-1.25	-	-
436L	0.25	1.0	0.04	0.03	1.0	16.0-19.0	-	0.75-1.25	-	Cb 53C min,0.80 max
439	0.03	1.0	0.04	0.03	1.0	17.0-19.0	0.5	-	0.03	Ti [0.20+4(C+N)] min, 1.10 max; Al 0.15
441	0.03	1.0	0.04	0.015	1.0	17.5-18.5	0.5	-	0.025	Nb: 3C+0.3~1.0; Ti: 0.1~0.6
443	0.025	1.0	0.04	0.03	1.0	20.0-23.0	0.5	-	0.025	(Ti+Cb)83(C+N) min, 0.80 max. Cu: 0.3-0.8
444	0.025	1.0	0.04	0.03	1.0	17.5-19.5	1	1.75-2.5		(Ti+Cb)[0.20+4(C+N)] min,0.80 max; Cu≤0.035
447	0.01	0.3	0.025	0.02	0.2	28.0-30.0	0.15	3.5-4.2	0.02	(C+N) 0.025, Cu≤0.15