06Cr15Ni25Ti2MoAlVB 660 - GB /T 41157.3-2022

Grade	06Cr15Ni25Ti2MoAlVB
China ISC	660
Corresponding Standard	GB /T 41157.3-2022 Fasteners for nuclear power plants— Part3: Bolts, screws and studs made of corrosion-resistant stainless steel
Classification	Precipitation-Hardening Stainless Steel

06Cr15Ni25Ti2MoAlVB Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①	Cr	Ni	Mo	Ti	V	B	Al
Minimum Value	0.03	-	1	-	-	13.5	24	1	1.9	0.1	0.001	-
Maximum Value	0.08	1	2	0.025	0.015	16.5	27	1.5	2.3	0.5	0.01	0.35

06Cr15Ni25Ti2MoAlVB Mechanical Properties

product	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Bolts, Screws, Studs	Room Temperature	Precipitation Hardening	900~1200	≥600	≥0.2d	HBW: 248~341 HRC: 24~37 HV: 255~357	≥50
Bolts, Screws, Studs		Precipitation Hardening		≥555

1 Approximate Comparison Table

2 Approximate Comparison Table Stainless steels for cold heading and cold extruding

China		Japan	United States		International Organization for Standardization		European Standard
GB	ISC	JIS	ASTM/AISI	UNS	ISO	Numerical Grade	EN	Numerical Grade
06Cr15Ni25Ti2MoAlVB (0Cr15Ni25Ti2MoAlVB)	S51525	SUH660	660	S66286	X6NiCrTiMoVB25-15-2	4980-662-86-X	X6NiCrTiMoVB25-15-2	1.4980

06Cr15Ni25Ti2MoAlVB Corresponding Standards(Same grade name, different standards)

1	GB /T 20878-2007
	06Cr15Ni25Ti2MoAlVB S51525 (0Cr15Ni25Ti2MoAlVB)
2	GB /T 1221-2007
	06Cr15Ni25Ti2MoAlVB S51525 (0Cr15Ni25Ti2MoAlVB)
3	GB /T 4238-2015
	06Cr15Ni25Ti2MoAlVB S51525 (0Cr15Ni25Ti2MoAlVB)
4	NB /T 20008.12-2010
	06Cr15Ni25Ti2MoAlVB
5	GB /T 41157.3-2022
	06Cr15Ni25Ti2MoAlVB 660
6	GB /T 20878-2024
	06Cr15Ni25Ti2MoAlVB S51525 (0Cr15Ni25Ti2MoAlVB)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!