• Model NO.：4HK1
• Exhaust：8-94395876-0f
• Intake Material：4cr9si2
• Exhaust Material：21-4n+4cr9si2
• Transport Package：Box, Carton
• Specification：STD
• Trademark：HUACHENG
• Origin：Shijiazhuang of China
• HS Code：8409999990
• Production Capacity：50000

Basic Info.

Model NO. 4HK1 Exhaust 8-94395876-0f Intake Material 4cr9si2 Exhaust Material 21-4n+4cr9si2 Transport Package Box, Carton Specification STD Trademark HUACHENG Origin Shijiazhuang of China HS Code 8409999990 Production Capacity 50000

Product Description

ABOUT US


       Shijiazhuang HUACHENG Auto Parts Co.,Ltd. is specialized in manufacturing engine valve for heavy duty truck, agricultural & engineering machinery, marine power and other models.
Our main product series include CUMMINS, CATERPILLAR, STEYR, HOWO, ISUZU, MITSUBISHI, YANMAR, DOOSAN, PERKINS, DEUTZ and all kinds of China engine model.
 
STRONG ASSURANCE

1. Material: high quality special valve bar material, such as: 4Cr9Si2, 4Cr10Si2Mo, 21-4N, X60, 21-4NWNb Etc
2. Production: connection processing line, heat treatment with network continuous furnace, welding of double metals, valve seat welding (STELI), U quenching for valve rod slot, chrome plating and soft nitriding on surface.
3. Annual production capacity: over 8 million pcs valves
4. Quality Guarantee: one year or 300000 km
5. Certificate: ISO9001, IATF16949
6. Customization: design and develop new product according to the sample or drawing from customer.
7. MQQ: No qty limitation for stock product, for no stock, 300 pairs.

PACKING AND MARKING

1. Neutral box or Huacheng box, carton.
2. According to customer's requirements.
3. Laser marking on valve stem.

MATERIAL COMPOSITION




MATERIAL STANDARD SPECIFICATION


 

Chemical Element & Name	WC (Wolfram Carbide)	Wsi	Mn	WP	WS	Wni	WCr	Wmo	WW	WN	Wco
4Cr9Si2	0.35~0.50	2.00~3.00	≤0.70	≤0.035	≤0.030	--	8.00~10.00	--	--	--	--
45Cr9Si3	0.40~0.50	2.70~3.30	≤0.80	≤0.040	≤0.030	--	8.00~10.00	--	--	--	--
51Cr8Si2	0.45~0.55	1.00~2.00	≤0.60	≤0.030	≤0.030	--	7.50~9.50	--	--	--	--
4Cr10Si2Mo	0.35~0.45	1.90~2.60	≤0.70	≤0.035	≤0.030	--	9.00~10.50	0.70~0.90	--	--	--
85Cr18Mo2V	0.80~0.90	≤1.00	≤1.50	≤0.040	≤0.030	--	16.50~18.50	2.0~2.5	--	--	V: 0.30~0.60
55Cr20Mn5Ni2N (21-2N)	0.50~0.60	≤0.25	7.00~10.00	≤0.040	≤0.030	1.50~2.75	19.50~21.50	--	--	0.20~0.40	--
53Cr21Mn9Ni4N (21-4N)	0.48~0.58	≤0.35	8.00~10.00	≤0.040	≤0.030	3.25~4.50	20.00~22.00	--	--	0.35~0.50	C+N≥0.90
50Cr21Mn9Ni4Nb2WN (21-4N WNb)	0.45~0.55	≤0.45	8.00~10.00	≤0.050	≤0.030	3.50~5.00	20.00~22.00	--	0.80~1.50	0.40~0.60	Nb: 1.80~2.50 C+N≥0.90
33Cr23Ni8Mn3N (23-8N)	0.28~0.38	0.50~1.00	1.50~3.50	≤0.040	≤0.030	7.00~9.00	22.00~24.00	≤0.50	≤0.50	0.25~0.30	--
GH14751 (inconel751)	≤0.10	≤0.50	≤1.00	≤0.015	≤0.015		14.00~17.00	AL: 0.90~1.50	Ti: 2.20~2.60	Nb: 0.70~1.20	Te: 5.00~9.00
NiMoNiC80A	0.04~0.10	≤1.00	≤1.00	≤0.020	≤0.015		18.00~21.00	Fe≤3.00	Cu≤0.20 B≤0.008	AL: 1.0~1.80 Ti: 1.80~2.70	≤2.00
Ni30	≤0.08	≤0.50	≤0.50	≤0.015	≤0.05	29.50~33.50	13.50~15.50	0.40~1.00	--	Nb: 0.40~0.90 B≤0.010	AL: 1.60~2.20 Ti: 2.3~2.90
TC4 (Ti6-4)	≤0.10	AL: 5.25~6.75	V: 3.35~4.65	O≤0.40	H=0.02	Fe≤0.80	Ti	--

 
 

 
COMPANY DISPLAY












FAQ

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral brown boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?
A: FOB, CIF, C&F, etc.

Q4. How about your delivery time?
A: Generally, if we have stocks, then 5 work days and it will take 35 work days for producing after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.


CONTACT US