China All Engine Model Intake Exhaust Valve

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 ASSURANCEMaterial: high quality special valve bar material, such as: 4Cr9Si2, 4Cr10Si2Mo, 21-4N, X60, 21-4NWNb EtcProduction: 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.Annual production capacity: over 8 million pcs valvesQuality Guarantee: one year or 300000 kmCertificate: ISO9001, IATF16949Customization: design and develop new product according to the sample or drawing from customer.MQQ: No qty limitation for stock product, for no stock, 300 pairs.PACKING AND MARKINGNeutral box or Huacheng box, carton.According to customer's requirements.Laser marking on valve stem.MATERIAL COMPOSITION

MATERIAL STANDARD SPECIFICATION

Chemical Element
& NameWC (Wolfram Carbide)WsiMnWPWSWniWCrWmoWWWNWco4Cr9Si20.35~0.502.00~3.00≤0.70≤0.035≤0.030--8.00~10.00--------45Cr9Si30.40~0.502.70~3.30≤0.80≤0.040≤0.030--8.00~10.00--------51Cr8Si20.45~0.551.00~2.00≤0.60≤0.030≤0.030--7.50~9.50--------4Cr10Si2Mo0.35~0.451.90~2.60≤0.70≤0.035≤0.030--9.00~10.500.70~0.90------85Cr18Mo2V0.80~0.90≤1.00≤1.50≤0.040≤0.030--16.50~18.502.0~2.5----V: 0.30~0.6055Cr20Mn5Ni2N
(21-2N)0.50~0.60≤0.257.00~10.00≤0.040≤0.0301.50~2.7519.50~21.50----0.20~0.40--53Cr21Mn9Ni4N
(21-4N)0.48~0.58≤0.358.00~10.00≤0.040≤0.0303.25~4.5020.00~22.00----0.35~0.50C+N≥0.9050Cr21Mn9Ni4Nb2WN
(21-4N WNb)0.45~0.55≤0.458.00~10.00≤0.050≤0.0303.50~5.0020.00~22.00--0.80~1.500.40~0.60Nb: 1.80~2.50
C+N≥0.9033Cr23Ni8Mn3N
(23-8N)0.28~0.380.50~1.001.50~3.50≤0.040≤0.0307.00~9.0022.00~24.00≤0.50≤0.500.25~0.30--GH14751
(inconel751)≤0.10≤0.50≤1.00≤0.015≤0.015 14.00~17.00AL: 0.90~1.50Ti: 2.20~2.60Nb: 0.70~1.20Te: 5.00~9.00NiMoNiC80A0.04~0.10≤1.00≤1.00≤0.020≤0.015 18.00~21.00Fe≤3.00Cu≤0.20
B≤0.008AL: 1.0~1.80
Ti: 1.80~2.70≤2.00Ni30≤0.08≤0.50≤0.50≤0.015≤0.0529.50~33.5013.50~15.500.40~1.00--Nb: 0.40~0.90
B≤0.010AL: 1.60~2.20
Ti: 2.3~2.90TC4 (Ti6-4)≤0.10AL: 5.25~6.75V: 3.35~4.65O≤0.40H=0.02Fe≤0.80Ti--


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.
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