Products

Serrated Circlip / K-Ring (DIN983 / AK)

China Serrated Circlip / K-Ring (DIN983 / AK), Find details about China Segw, Stop Collar from Serrated Circlip / K-Ring (DIN983 / AK)

Model NO.
DIN471 DIN472 DIN6799
Delivery Time
Normally About 30 Days, Depends on Quantity
Trademark
N/A
Transport Package
Plastic Bag, (Paper Box), Carton, Plywood Pallet
Specification
6.5mm ~500mm
Origin
China
HS Code
7318290000
Model NO.
DIN471 DIN472 DIN6799
Delivery Time
Normally About 30 Days, Depends on Quantity
Trademark
N/A
Transport Package
Plastic Bag, (Paper Box), Carton, Plywood Pallet
Specification
6.5mm ~500mm
Origin
China
HS Code
7318290000

Product Description

1 Retaining rings, circlips, snap rings, E rings, DIN471, DIN472, DIN6799, DIN983,DIN984, D1300, D1400, D1460, D1500, CRESCENT RING (M1800),  GRIP RING
2 Russian standard retaining rings, GOST 13942, GOST 13943,ГОСТ 13942, ГОСТ 13943
3 Snap rings, Retaining spring flat concentric rings, GOST 13940, GOST 13941, ГОСТ 13940, ГОСТ 13941, DIN5417/M3200/SP series, WRE, WR-SW(M2400) Series, BR-AR-SB, M2300 SB Series, DIN7993 round wire rings
4 Spring pins, DIN1481 / ISO8752, DIN7346 / ISO13337
Material: carbon spring steel 65Mn, SUS304
Finish: blackened, galvanized
5 DIN2093, DIN6796 Disc springs, conical spring washer
6 DIN6798A, B, J DIN lock washers
7 DIN137 wave spring washers
8 DIN128 split lock washer, curved spring lock washer
9 We also provide custom-made retaining rings and stamped products. All the tooling will be made on our own expense within 3 days.
10 Grease nipples
11 Hose clamps

Retaining Ring & Circlip (DIN471/DIN472/DIN6799)
Circlip   DIN 472/DIN1300/J
                                                                                                                                                    
External retaining ring for shaft DIN472/D1300
Material: Carbon steel 65Mn, C67S,50CrV4, Stainless steel ANSI420, 304,316
Size: from 8mm-500mm
(If you need special thickness for DIN472, we also could produce them according to your requirement)
Surface: Black oxide, Phosphate Black, Zinc plated (finish must be without burr)
Hardness: meet the DIN472 standard, small size: HRC47-54, middle size: HRC44-51, large size: HRC40-47
Mechanical property: Good elasticity and tenacity to make sure the retaining ring could be install to the shaft easily and be able to remove if necessary.

Packing: small plastic bag, small box, oil paper rod, Shrunk film rod+ Cartons + Pallets
Delivery time: Normally About 30 Days, Depends on Quantity
Quality: We have high confidence on our quality. We almost didn't receive complaint from customer about quality. We will strict on our quality, we have many engineers to control quality. We insist that Quality is the Best import and is the Basic.
Service: We will try our best to provide you competitive prices, good communicate.

Heat treatment and finish
- Austempering is applied to increase the mechanical property of our products. Our modern heat treatment equipment and skillful technicians guarantee each retaining ring within the mechanical properties required.
- The standard finish of carbon steel retaining rings is phosphate.  
- Dacromet is available on request.
- Zinc plating is available, but is not recommended because of the risk of hydrogen brittleness.
- Stainless steel is polished into original color after heat treatment.

Chemical and mechanical properties of steel
Carbon spring steel C67 EN 10132-4: 2000
Chemical components of Carbon spring steel C67S

CSiMnPSNiCrMoCuother
0.65-0.730.15-0.350.60-0.90≤0.025≤0.025≤0.400≤0.400≤0.100 -

Mechanical properties of C67
Condition of deliverySoft annealed (+A) or soft annealed and slightly rerolled (+LC)Quenched and tempered (+QT)
0,2% proof stress Rp0,2 [N/mm²]max. 5101200 - 1900
Tensile strength Rm [N/mm²]max. 640 
Fracture elongation A80 [%]min. 16 
Hardness [HV]max. 200370 - 580
Hardness [HRB]max. 92 
Hardness [HRC] 38,5 - 54

Typical hardness values (HV) for quenched and tempered materials at different thickness ranges
 
Effective thickness [mm]0,30<=0,500,50<=0,750,75<=1,001,00<=1,501,50<=2,002,00<=3,00
Hardness [HV]485 - 535465 - 515455 - 505445 - 495425 - 475415 - 465

Stainless Steel SS420
2Cr13, which is equivalent to 420, is frequently used for SS retaining rings. The hardness reaches HRC 44-50 after heat treatment. This makes our SS retaining rings much excel the just 'stamped stainless retaining rings'
Chemical composition (%) of 2Cr13
CSiMnPSNiCrMoCuother
0.16-0.25≤1.00≤1.00≤0.035≤0.030*12.00-14.00---
* Ni is allowed to be equal to or less than 0.6.

Steel 60Si2Mn
Chemicals :
CSiMnPSNiCrMoCuother
0.57~0.651.50~2.000.60~0.90≤0.035≤0.035≤0.35≤0.35--≤0.25-


Mechanical Property: 
Tensile Strength: σb (MPa):≥1274(130)   
Yield strength σs (MPa):≥1176(120)   
Elongation δ10 (%):≥5   
 reduction of cross section  ψ (%):≥25 
 Hardness :hot rolling,≤321HB; cold rolling+heat treatment,≤321HB


Our retaining rings are selling very well in Southeast Asia, Europe, North America, South America and Middle East market very well.
The retaining rings are widely used for Axletree fitting, Auto parts, Pump field, Tractor, bearings, motor, power transmission products and so on. The good quality and competitive price of our retaining rings have leads a win-win situation between customers and our company.

Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)
Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)Serrated Circlip / K-Ring (DIN983 / AK)
Serrated Circlip / K-Ring (DIN983 / AK)
Company information

    Shanghai dundun machinery, the professional clutch disc, clutch cover, and retaining ring and dowel pin supplier, who located in Shanghai, China.

What we produce?

We produce clutch disc, clutch cover. Shanghai dundun machinery Co., Ltd is a manufacturer of automobile clutch disc, pressure plate assembly. Our company is a integrated high-tech enterprise including the reseach and production, sales and trade, which is highly praised and appreciated by the customers all over the world. The company constantly imports domestic and foreign advanced manufacturing technology, testing equipments and precision mold manufacturing technology as well as independent research ability of high-tech products. Over the years, the company is committed to innovation, integrity, service, professional business philosophy, to win customers a wide range of trust and support.

Besides, we produce dowel pins, like DIN 6325, DIN7, DIN7979d, DIN1b, DIN7978, ISO2338, ISO8734, etc. And slotted pin like DIN1481 ISO8752 ISO13337 etc.

Most of which is exported to Germany, Italy, Poland, Czech, America, middle-east Asia and other countries. The production line holds the complete process including cutting, chamfer, grinding, heat treatment, tread process and surface treatment. We also have the best quality control which is supported by our quality inspectors from both India and China. The company continues to strengthen internal management, improve the quality system and implement the 5s management system.

We also could produce non-standard parts as drawing, in spring steel material or stainless steel material.

All producing lines are in house, include material preparing, stamping, grinding heat treatment, surface treatment and testing. And we establish a technique control center, and built up the calculator management information system, prepare the build up the business enterprise resources plan system actively, through many skills modified, equipping level to arrive nations to lead level already, owning the forerunner, s hardware equipments provide emollient assurance for the high-quality product, in the meantime, we have developed a new kind of products continuously, become a leading position in the same field.

Our products have been supplied to Europe market for nearly 10 years, the good quality and fast delivery have won reputation for us.

Welcome to send inquiry to us, the best price will be offered to you immediately.
   
Q&A

Q1.How Can I Get Your catalogue?
A1:Send An Enquiry To Us And Tell Us U Need Our cataloque, Our Sales Will Reply U Within 12 Hours With product cataloque

Q2.What is your main products?
A2:Our main products are fasteners: dowel pins,Parallel pins,clutch,circlips,spring washers and Aluminum parts.

Q3. How to ensure that every process's quality?
A3:Every process will be checked by our quality inspection department which insures every product's quality.
In the production of products, we will personally go to the factory to check the quality of products.

Q4. What is your payment method?
A4: T/T .For small order less than 1000USD, would suggest you pay 100% in advance to reduce the bank charges.

Q5.Can you provide a sample?
A5:Sure, Our sample is provided free of charge, but not including courier fees.

Q6. What's your Delivery Time?
A6:Standard parts or Non-standard parts: Normally about 30 days, depends on quantity.
      We will make the delivery as soon as possible with the guarantee quality.

Q7.How to Custom-made (OEM/ODM)?
A7:If you have a new product drawing or a sample, please send to us, and we can custom-made the as your required.
      We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

Q8.Which mode of transport would be better?
A8:In general, the product are heavy, we advice to make delivery by sea, Also we respect your views of other transportation as well.

Q9.How Do You Make Our Business Long-Term And Good Relationship?
A9: We Keep Good Quality And Competitive Price To Ensure Our Customers Benefit;
       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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