Carbon Tool Steel|Special Steel|From the type of steel |Products|Sales of Special Steel-TENHIKO INDUSTRIAL CO., LTD.[Osaka JAPAN]

Carbon Tool Steel

1. End applications
2. Chemical Composition
3. Mechanical properties(hot rolled)
4. Mechanical properties(cold rolled)

End applications

agricultural machine parts, circular saws, materials for cold-rolled steel strip, clutch plates, automobile parts, clip springs, washers, coil springs, band saws, hacksaws, handsaws, blades, clutches, diaphragm springs, horns, latch needles,cutlery,

Usage example

Pressed Goods :SK5 (AY)

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Chemical Composition

JIS	SAE	NIPPON STEEL	Chemical Composition(%)
JIS	SAE	NIPPON STEEL	C	Si	Mn	P	S
SK120(SK2)			1.15~1.25	0.10~0.35	0.10~0.50	0.030 max	0.030 max
SK105(SK3)			1.00~1.10	0.10~0.35	0.10~0.50	0.030 max	0.030 max
	SAE1095		0.90~1.03	0.15~0.30	0.30~0.50	0.030 max	0.050 max
SK95(SK4)			0.90~1.00	0.10~0.35	0.10~0.50	0.030 max	0.030 max
	SAE1086		0.80~0.93	0.15~0.30	0.30~0.50	0.030 max	0.050 max
SK85(SK5)			0.80~0.90	0.10~0.35	0.10~0.50	0.030 max	0.030 max
		NK5D	0.80~0.90	0.15 max	0.30~0.50	0.030 max	0.030 max
	SAE1078		0.72~0.85	0.15~0.30	0.30~0.60	0.030 max	0.050 max
SK75(SK6)			0.70~0.80	0.10~0.35	0.10~0.50	0.030 max	0.030 max
		NK6D	0.70~0.80	0.15 max	0.30~0.50	0.030 max	0.030 max
		NCL2	0.65~0.73	0.35 max	0.50 max	0.030 max	0.030 max
SK65(SK7)			0.60~0.70	0.10~0.35	0.10~0.50	0.030 max	0.030 max
		NK7D	0.60~0.70	0.15 max	0.30~0.50	0.030 max	0.030 max

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Mechanical properties(hot rolled)

	Type of steel	Hot-rolled hardness (HRC)	Annealed hardness (HRB)	Hardening				Tempering
				Water quenched 3.15mm max		Oil quenched below3.15mm		Temperature (℃)	Hardness(HRC)
				Temperature (℃)	Hardness (HRC)	Tenperature (℃)	Hardness (HRC)	Temperature (℃)	Water quenched	Oil quenched
JIS	SK120 (SK2)	46 max	98 max	760~820	63 min	770~830	60 min	150~200 air cooled	63 min	60 min
	SK105 (SK3)	45 max	98 max	760~820	63 min	770~830	60 min	150~200 air cooled	63 min	60 min
	SK95 (SK4)	44 max	97 max	760~820	62 min	770~830	60 min	150~200 air cooled	61 min	59 min
	SK85 (SK5)	43 max	97 max	760~820	62 min	770~830	60 min	150~200 air cooled	59 min	59 min
	SK75 (SK6)	40 max	96 max	760~820	62 min	780~840	60 min	150~200 air cooled	56 min	56 min
	SK65 (SK7)	32 max	96 max	760~820	59 min	780~840	57 min	150~200 air cooled	54 min	54 min
SAE	SAE1078	43 max	96 max	760~820	62 min	780~840	60 min	150~200 air cooled	59 min	59 min
	SAE1086	44 max	97 max	760~820	62 min	770~830	60 min	150~200 air cooled	59 min	59 min
	SAE1095	45 max	98 max	760~820	62 min	770~830	60 min	150~200 air cooled	61 min	59 min
Nisshin Standard	NCL2	33 max	94 max	760~820	59 min	790~850	57 min	150~200 air cooled	55 min	55 min
	NK5D	43 max	97 max	760~820	62 min	790~850	60 min	150~200 air cooled	59 min	59 min
	NK6D	40 max	96 max	760~820	62 min	790~850	60 min	150~200 air cooled	56 min	56 min
	NK7D	32 max	96 max	760~820	59 min	790~850	57 min	150~200 air cooled	54 min	54 min

Thickness range:
Water quenched:NCL2≧3.15mm、NK5D≧2.4mm、NK6D≧2.7mm、NK7D≧2.9mm
Oil quenched:NCL2<3.15mm、NK5D<2.4mm、NK6D<2.7mm、NK7D<2.9mm

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Mechanical properties(cold rolled)

Type of steel		Annealing Hardness		Deep-Drawing Hardness
		Standard	Special	Deep-Drawing Hardness
		HV	HV	HV
J I S	SK120 (SK2)	≦220	≦200	-
	SK105 (SK3)	≦210	≦190	240~280
	SK95 (SK4)	≦200	≦180	200~280
	SK85 (SK5)	≦180	≦170	200~280
	SK75 (SK6)	≦180	≦170	180~280
	SK65 (SK7)	≦180	≦160	180~260
S A E	SAE1078	≦180	≦170	200~280
	SAE1086	≦180	≦170	220~280
	SAE1095	≦220	≦190	220~280

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For more information on NIPPON STEEL materials, click the link below.
Click here for hot rolled catalog
Click here for cold rolled catalog

Notice

These material information in this page is based on NIPPON STEEL CORPORATION product catalog.

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

Technical information in this website,while every reasonable effort was made to ensure the accuracy at the time of this publication, is general information relating to our products only and is not meant as any warranty,expressed or implied.
Such technical information does not guarantee that any of our products are suitable for your particular application or purpose. Use of any information contained in this website shall be at user's risk. Any information in this website is subject to change without prior notice. Please contact our company for up-dated information.

Please feel free to contact us

ZIP: 559-0032
5-26, 5-Chome, Nankominami, Suminoe-ku, Osaka, JAPAN

tws.en@tenhiko.co.jp

Sale of Special Steel Stock information of S45C,SK85,SCM415,SCM435,SUP10,Silicolloy