AISI-661

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Product Details

Chemical composition

C(%)	Si(%)	Mn(%)	N(%)	Cr(%)	W(%)	Mo(%)	Ni(%)
C(%)(%) 0.11-0.13	Si(%)(%) 0.6-0.8	0.11-0.13	N(%)(%) 0.12-0.14	Cr(%)(%) 20.7-20.8	0.11-0.13	0.11-0.13	0.11-0.13	0.11-0.13	0.11-0.13

Applications

Heat-Resisting Stainless Steels

Country Code:

Co : 19.4-19.6

Standard

AISI

Steel Type

661

Heat treatment

Heat Treatment of steel grade BT6
Heat treated : 1641°C - 1566°C

Relate Steel Type

Steel Type	Country Code	C(%)	Si(%)	Mn(%)	P(%)	N(%)	S(%)	Cr(%)	W(%)
661	CNS	0.08-0.16	≦1.0	1.0-2.0	≦0.04	0.1-0.2	≦0.03	20.0-22.5
1Cr22Ni20-Co20Mo3	GB	0.08-0.16	≦1.0	1.0-2.0	≦0.035	0.1-0.2	≦0.03	20.0-22.5	2.0-3.0
SUH661	JIS	0.08-0.16	≦1.0	1.0-2.0	≦0.04	0.1-0.2	≦0.03	20.0-22.5	2.0-3.0
661	AISI	0.11-0.13	0.6-0.8	1.4-1.6		0.12-0.14		20.7-20.8	2.3-2.4
X12CrCo-Ni21-20	DIN	0.08-0.16	≦1.0	≦2.0	≦0.045	0.1-0.2	≦0.03	20.0-22.5	2.0-3.0

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