HNV-3,HNV-6,HEV-8 Engine Valve Steel Round Bars(HNV 3,HNV 6,HEV 8,HNV3,HNV6,HEV8)

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Model NO.: HNV-3 round bars
• Molding Technics: Forging
• Application: Machinery Parts
• Material: SS
• Heat Treatment: Quenching
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.5mm
• Standard: AISI
• Material of Forged Bars: Hnv3
• Transport Package: Wooden or Steel Frame Crate Packing
• Specification: CE
• Trademark: LY
• Origin: Jiangyin
• HS Code: 722840000
• Production Capacity: 5000 Tons/Year

Product Description

Size Range

	Dia. : 5.00 mm to 40mm
	Dim. Tol. : h9, +/-0.05, +/-0.05, +/-0.10 and Black

Supply Conditions

	Martensitic grades are supplied in the Hot Rolled, Annealed or Hardened & Tempered Condition.
	Austentic grades are suppplied in Hot Rolled & Solution Annealed Condition.
	Centreless ground/ Peeled/Hot Rolled Black condition.

We can produce engine valve steel as following:

	ISO683-15:1992	EN10090:1998	SAE J 775-93	JIS G 4311-1991	For short
40Cr10Si2Mo	-	X40CrSiMo10-2(1.4731)	-	SUH3	-
42Cr9Si2	-	-	-	-	-
43Cr9Si3	X45CrSi93	X45CrSi9-3(1.4718)	HNV3	SUH1	-
51Cr8Si2	X50CrSi82	-	-	SUH11	-
80Cr10Si2Ni	-	-	HNV6	SUH4	XB
85Cr18Mo2V	X85CrMoV182	X85CrMoV18-2(1.4748)	-	-	-
86Cr18W2VRe	-	-	-	-	MF811
20Cr21Ni12N	-	-	EV4	SUH37	21-12N
33Cr23Ni8Mn3N	X33CrNiMnN238	X33CrNiMnN23-8(1.4866)	EV16	-	23-8N
45Cr14Ni14W2Mo	-	-	-	SUH31	-
50Cr21Mn9Ni4Nb2WN	X50CrMnNiNbN219	X50CrMnNiNbN21-9(1.4882)	-	-	21-4NWNb
53Cr21Mn9Ni4N	X53CrMnNiN219	X53CrMnNiN21-9(1.4871)	EV8	SUH35	21-4N
55Cr21Mn8Ni2N	X55CrMnNiN208	X55CrMnNiN20-8(1.4875)	EV12	-	21-2N
61Cr21Mn10Mo1VNb1N	-	-	-	-	Resis TEL
GH4751	NiCr15Fe7TiAl	-	HEV3	-	751
GH4080A	NiCr20TiAl	NiCr20TiAl(2.4952)	HEV5	-	80A

Chemical Combustion

DIN	C	Si	Mn	Pmax	S max	Cr	Mo	Ni	N	V	W	Nb
1.4718	0.40 0.50	2.75 3.75	0.80 max	0.040	0.040	7.50 9.50	--	0.50 max	--	--	--	--
SUH 11	0.45 0.55	1.00 2.00	0.60 max	0.040	0.035	7.50 9.50	--	0.60 max	--	--	--	--
1.4731	0.35 0.45	1.80 2.50	0.60 max	0.040	0.040	10.00 12.00	0.70 1.30	0.60 max	--	--	--	--
1.4748	0.80 0.90	1.00 max	1.50 max	0.040	0.030	16.50 18.50	2.00 2.50	--	--	0.30 0.60	--	--
1.4875	0.50 0.60	1.00 max	7.00 9.50	0.050	0.035	20.00 22.00	--	1.50 2.75	0.20 0.40	--	--	--
1.4871	0.48 0.58	0.25 max	8.00 10.00	0.050	0.035	20.00 23.00	--	3.25 4.50	0.38 0.55	--	--	--
21-12N	0.15 0.25	0.75 1.25	1.50 max	0.050	0.035	20.00 22.00	--	10.50 12.50	0.15 0.30	--	--	--
1.4866	0.28 0.38	0.50 1.00	1.50 3.50	0.040	0.030	22.00 24.00	--	7.00 9.00	0.25 0.50	--	--	--
1.4882	0.45 0.55	0.45 max	8.00 10.00	0.040	0.030	20.00 22.00	--	3.50 5.00	0.40 0.60	--	0.80 1.50	1.90 2.50

TECHNICAL DETAILS (Chemical Composition of Popular Valve Steels)
Sr.	Designation	Major Alloying Elements %
		C	Mn	Ni	Cr	Mo	Si	N	Others
1.	En - 18/D (5140)	0.38 0.43	0.65 0.80	-	0.85 1.00	-	0.10 0.35	-	-
2.	En - 19 (4140)	0.35 0.45	0.50 0.80	-	0.90 1.50	0.20 0.40	0.10 0.35	-	-
3.	En - 24 (4340)	0.35 0.45	0.45 0.70	1.30 1.80	0.90 1.40	0.20 0.35	0.10 0.35	-	-
4.	En - 52 (HNV 3/SUH 1)	0.40 0.50	0.30 0.60	< 0.50	7.50 9.50	-	3.00 3.75	-	-
5.	En - 59 (HNV 6/SUH 4)	0.74 0.84	0.20 0.60	1.15 1.65	19.0 20.5	-	1.75 2.25	-	-
6.	21 - 2/N (EV 12)	0.55	8.3	2.2	21.0	-	0.15	0.30	-
7.	21 - 4/N (EV 8/SUH 35/36)	0.48 0.58	8.0 10.0	3.25 4.50	20.0 22.0	-	0.25 max	0.38 0.50	C+N 0.9 min.
8.	21-12/N (EV 4/SUH 37)	1.20	1.30	11.5	21.0	-	1.00	-	-
9.	Nimonic 80-A (HEV 5/NCF 80A)	0.05	1.00	Bal.	20.0	-	0.60	-	Fe:3.0/Co:2.0 Ti:2.4/Al:1.4 B:0.003
10.	Pyromet 31 (HE V 8)	0.04	0.20	Bal.	22.7	2.00	0.20	-	Fe:13.0/Nb:0.85 Ti:2.3/Al:1.3 B:0.005

MATERIAL CLASSIFICATION

3)	AL.S :	Alloy Steel	Sr. No. 1/2/3
4)	M.S. :	Martensitic Steel	Sr. No. 4/5
5)	AU.S :	Austenitic Steel	Sr. No. 6/7/8
6)	SU.A :	Super Alloy Steel	Sr. No. 9/10