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Ferritic Type Stainless Steel

1.Characteristics·Applications
2.Chemical Composition
3.Physical·Mechanical Properties
4.Surface Finish

Characteristics·Applications

※NSS is NIPPON STEEL Stainless Steel Corporation original standard.

Classification	Type		Characteristics	Applications
Classification	JIS (SUS)	NSS	Characteristics	Applications
Ferritic Type	SUH409L		Oxidation resistant steel developed by adding titanium to 11Cr type.	automotive parts,exhaust gas purifiers
		409M1	Type409 modified by increasing workability,oxidation resistance and high frequency weldability.	automotive exhaust pipes
		409M1S	Formability increased by reducing silicon content in type409M1.	automotive exhaust pipes
	405		Weldability and workability increased by adding aluminum to type410.	oil refining distillation column trays
	430		Typical ferritic stainless steel.	sundries,kitchen utensils stove reflectors
	(430LX)	430M2	Developed by adding titanium to type430.Has higher workability,weldability and corrosion resistance than type430.	Sink bowls,burners, bicycle rims,bath heater external plates
	(430LX)	430M4	Developed by adding niobium to type430 for increased workability and weldability.	bicycle rims, automotive parts such as wheel covers
		430M3	Developed by adding molybdenum and titanium to type430.High workability,weldability and corrosion resistance.	boilers
	(436L)	436	More corrosion resistant than type432 under the circumstance of dew condensation of exhaust gas.	material for automotive muffler
	434		Developed by adding molybdenum to type430.More corrosion resistant than type430.	automotive trimmings
	436J1L		Developed by adding molybdenum and niobium to type430,and highly reducing the carbon content and nitrogen content.	boilers, material for building interior and exterior
	(436J1L)	432	Corrosion resistant inder the circumstance of dew condensation of exhaust gas and has better salt corrosion resistance.	material for automotive muffler
	(430J1L)	442M3	Developed by adding copper and niobium to type430.More corrosion resistant than type434.	automotive trimmings, automotive exhaust pipes
	(430J1L)	442M3S	Formability increased by reducing silicon content in type442M3.	automotive exhaust pipes
	(444)	444N	Free from stress corrosion cracking.Equal in corrosion resistance to type316.	water reservoirs,heat reservoirs, solar heater collectors
		EM-2	18Cr-2Mo-Mn-Nb steel with high temperature strength and scale detachment resistance.	automotive exhaust pipes
	(445J1)	445M2	High corrosion and weather resistance.	building materials
	(410L)	410M1	Developed by reducing carbon content in type410.Highly workable.	automotive exhaust gas purifiers and exhaust pipes
		HR-1	High heat resistant 14Cr-Si-Mn-Nb steel with high temperature strength and oxidation resistance.	automotive exhaust pipes
		NCA-1	18Cr-AI steel with high oxidation resistance.	oilstove burning columns which must heat red
		NCA-2	13Cr-Si-AI steel exhibiting high oxidation resistance.	oilstove burning columns

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Chemical Composition

※NSS is NIPPON STEEL Stainless Steel Corporation original standard.

Classfication	Type		Chemical Composition(%)
Classfication	JIS (SUS)	NSS	C	N i	Cr	Mo	Others
Ferritic Type	SUH409L		≦0.08		10.50~11.75		Ti:6×C~0.75
		409M1	≦0.03	≦0.50	10.50~12.00		Ti:5×(C+N)~0.75
		409M1S	≦0.03	≦0.50	10.50~12.50		Si≦0.30 Ti:5×(C+N)~0.75
	405		≦0.08	≦0.60	11.50~14.50		AI:0.10~0.30
	430		≦0.12	≦0.60	16.00~18.00
	(430LX)	430M2	≦0.05	≦0.60	16.00~18.00		Ti:5 (C+N)~1.00
	(430LX)	430M4	≦0.03	≦0.60	16.00~18.00		Nb:0.20~0.65
		439	≦0.03	≦0.60	17.00~18.00		Ti:5X (C+N)~1.00
		430M3	≦0.04	≦0.60	16.00~18.00	0.20~0.50	Ti:10 X C~1.0
	(436L)	436	≦0.025	≦0.60	17.00~19.00	0.50~1.50	N≦0.025 Ti:8×(C+N) ~0.80
	436J1L		≦0.025	≦0.60	17.00~20.00	0.40~0.80	N≦0.025 Nb:8×(C+N) ~0.80
	(436J1L)	432	≦0.025	≦0.60	17.00~19.00	0.45~0.65	N≦0.020 Nb:8×(C+N) ~0.80
	(430J1L)	442M3	≦0.03	≦0.60	18.00~20.00		Cu:0.30~0.80 Nb:7×(C+N)+0.15~0.80
	(430J1L)	442M3S	≦0.03	≦0.60	18.00~20.00		Si≦0.50 Cu:0.30~0.80 Nb:7×(C+N)~0.80
	(444)	444N	≦0.02	≦0.60	17.50~20.00	1.75~2.50	N≦0.02 Nb:10×(C+N) ~0.80
		EM-2	≦0.02	≦0.60	17.50~20.00	1.75~2.50	N≦0.020 Mn:0.70~1.50 Cu:0.10~0.30
	(445J1)	445M2	≦0.02	≦0.60	21.00~23.00	1.00~1.50	N≦0.02 Ti:0.05~0.50 Nb:0.10~0.60
	(410L)	410M1	≦0.03	≦0.60	11.50~13.50
		HR-1	≦0.03	≦0.60	13.55~15.50		Si:0.70~1.50 Nb:0.20~0.80
		NCA-1	≦0.03	≦0.60	17.00~19.00		AI:2.00~4.00 Ti≦0.50
		NCA-2	≦0.05	≦0.60	11.50~13.50		AI:0.50~2.00 Si:1.00~2.00 Ti≦0.30

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Physical·Mechanical Properties

※NSS is NIPPON STEEL Stainless Steel Corporation original standard.

Classfication	Type		Physical Properties				Mechanical Properties
	SUS (JIS)	NSS	Modulus of elasticity X10³N/mm²	Specific gravityg/cm³	Average modulus of thermal expansionX10^-6 cm/cm/℃	Thermal conductivity W/m・℃	Hardness test		Tensile test
					Average modulus of thermal expansionX10^-6 cm/cm/℃	Thermal conductivity W/m・℃	HRB	HV	Yield strength N/mm²	Tensile strength N/mm²	Elongation %
					20~100℃	100℃	HRB	HV	Yield strength N/mm²	Tensile strength N/mm²	Elongation %
Ferritic Type	SUH409L		194	7.75	10.8	23.8	≦80	≦175	≧175	≧360	≧25
		409M1	202	7.75	9.9	23.8	≦85	≦170	≧195	≧360	≧25
		409M1S	202	7.75	9.9	23.8	≦79	≦150	≧175	≧360	≧25
	405		202	7.75	10.8	23.8	≦88	≦200	≧175	≧410	≧20
	430		201	7.70	10.4	26.2	≦88	≦200	≧205	≧420	≧22
	(430LX)	430M2	197	7.70	10.4	26.2	≦85	≦170	≧360	≧410	≧28
	(430LX)	430M4	201	7.70	10.4	26.0	≦88	≦200	≧205	≧450	≧22
		439	197	7.70	10.4	26.2	≦88	≦200	≧205	≧390	≧25
		430M3	202	7.70	10.4	26.0	≦88	≦200	≧205	≧450	≧22
	(436L)	436	202	7.70	10.4	26.2	_	≦200	≧205	≧410	≧22
	436J1L		202	7.70	10.4	26.2	≦90	≦200	≧245	≧410	≧20
	(436J1L)	432	202	7.70	10.4	26.2	_	≦170	≧205	≧390	≧25
	(430J1L)	442M3	201	7.70	10.4	26.2	≦88	≦200	≧205	≧450	≧22
	(430J1L)	442M3S	201	7.75	10.4	26.2	≦86	≦175	≧205	≧410	≧25
	(444)	444N	199	7.75	10.0	22.5	≦88	≦220	≧205	≧450	≧22
		EM-2	206	7.75	9.9	21.9	≦96	≦230	≧245	≧410	≧20
	445J1	445M2	199	7.75	10.0	22.5	≦95	≦220	≧205	≧450	≧22
	410L	410M1	202	7.75	9.9	23.8	≦85	≦170	≧195	≧360	≧25
		HR-1	211	7.75	11	21.9	≦96	≦230	≧195	≧360	≧22
		NCA-1	201	7.35	10.0	18.8	≦95	≦220	_	≧490	≧20
		NCA-2	201	7.65	10.0	23.8	≦95	≦220	_	≧490	≧20

When NSS and SUS overlap, NSS standard (an ingredient, a characteristic) has priority to display.

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Surface Finish

※NSS is NIPPON STEEL Stainless Steel Corporation original standard.

Classification	JIS	NSS	Finish
Hot-rolled Products	N0.1		Heat-treated and pickled after hot rolling.
Hot-rolled Products		CG	Given No.1 finish and polished with any of endless belts specified in JIS R6001,but not degreased.
Cold-rolled Products	N0.2D		Heat-treated and pickled after cold rolling.
		NO.2DR	Heat-treated,pickled and lightly cold-rolled by dull rolls after cold rolling.
	NO.2B		Heat-treated,pickled and lightly cold-rolled to obtain appropriate luster surface after cold rolling.
	N0.3		Polished with endless belt of No.100 to 120 specified in JISR6001.
	N0.4		Polished with endless belt of No.150 to 180 specified in JISR6001.
	#240		Polished with endless belt of No.240 specified in JISR6001.
	#320		Polished with endless belt of No.320 specified in JISR6001.
	#400		Polished with endless belt of No.400 specified in JISR6001.
		N0.9	Polished with endless belt numbered over 320.
	BA		Given high-luster finish and subjected to bright heat treatment after cold rolling.
	HL		Polished with abrasives No.80 to 150 specified in JIS R6001 to obtain continuous streaks.
		N0.7	Buffed so that reflectivity is higher, compared to #400 finish.
		N0.8	Given BA finish and polished with cotton buff to obtain high reflectivity.
		Emboss	Provided with irregularities on one side by cold rolling (both sides can be embossed).

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These material information in this page is based on NIPPON STEEL Stainless Steel Corporation product catalog.

There are some cases maker do not accept the production depending on the production lot and specification.

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