High Strength DIN931 Type Stainless Steel/carbon steel 316 304 hex Bolts

High Strength DIN931 Type Stainless Steel/carbon steel 316 304 hex Bolts 

Product Description
Stainless steel bolts are generally referred to as steel bolts that are resistant to corrosion by air, water, acids, alkali salts or other media. Stainless steel screws are generally not easy to rust, durable, and can be used in environmental protection equipment, medical equipment, communication equipment and other fields.
Depending on the composition of the alloy, it focuses on rust and acid resistance. Although some steels have rust properties, they are not necessarily acid-resistant, and acid-resistant steels usually have rust properties. In people's daily life, the stainless steel often referred to is also austenitic stainless steel. We use stainless steel fasteners, the main raw materials are austenite 302, 304, 316 and "low nickel" 201.  product name:DIN931 Steel Bolt, Stainless Steel Bolts,Hexagon Bolt plain color.Surface treatment:stainless steel colour:plain color
 

 
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Application
Stainless steel screws are widely used in machinery, petrochemical, telecommunications, chemical, construction, power, textile, sports equipment, paper, sewage, shipbuilding, automotive and other industries. With the improvement of domestic economic living standards, the application range of stainless steel screws will be more widely.Mainly used in: environmental protection equipment, medical equipment, communication equipment, power facilities, electronic products, instrumentation, food machinery, petrochemical, ship assembly, pump and valve pipelines, building curtain walls, outdoor venues, sports facilities, outdoor decoration, etc.
Mainly used in: environmental protection equipment, medical equipment, communication equipment, power facilities, electronic products, instrumentation, food machinery, petrochemical, ship assembly, pump and valve pipelines, building curtain walls, outdoor venues, sports facilities, outdoor decoration, etc
Austenitic stainless steel: commonly used models are 302, 303, 304, 305 four models, the so-called "18-8" austenitic stainless steel four models. Both corrosion resistance and mechanical properties are similar. The starting point for the selection is the production process of stainless steel screws, which in turn depends on the size and shape of the stainless steel screws, and also on the quantity produced.
Type 302 is used for machined screws and self-tapping bolts.
Model 303 In order to improve the cutting performance, a small amount of sulfur is added to the Type 303 stainless steel for the processing of nuts with bar stock.
Type 304 is suitable for machining stainless steel screws with a hot boring process, such as longer gauge bolts and larger diameter bolts, which may exceed the range of the cold heading process.
Type 305 is suitable for machining stainless steel screws with cold heading, such as cold formed nuts and hexagon bolts.
Types 309 and 310, which have higher Cr content and Ni content than 18-8 stainless steel, are suitable for stainless steel screws working at high temperatures.
Types 316 and 317, both of which contain the alloying element Mo, are therefore higher in strength and corrosion resistance than 18-8 stainless steel.

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RFQ
1. How do you let me trust you.
We have own import & export right, and we are Gold mumber of alibaba and made in china, We get credit
guarantee from Alibaba Group. you can make an order by alibaba to us directly.
2. How about your price.
High quality products with reasonable price. Please give me a inquire, I will quoted you a price for you refer
at once.
3. How do you control your quality.
We request QC inspect every productions links for each bacth goods. And we can provide you MTC and mill
certificate when the goods is finished.
4. Could you provide free samples?
For new customer, We can provide free samples for standard fastener, But the clients will pay the express
charges. For old customer, We will send you free samples and pay express charges by ourself.
5. Do you accept small order?
Sure, we can accept any orders, we keep lots of stock for ALL STAINLESS STEEL FASTENER, CARBON
STEEL NUT AND PART BOLT, Like hex weld nut, cage nut, wing nut, square weld nut, cap nut, hex nut,
flange nut. Metric 8.8Grade, 10.9Grade 12.9Grade Hex bolt and Hex Socket cap screw, Part ASME Hex cap
screw.
6. How about your delivery time
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container,
we can give you with 18-25days, if the quantity is more than 2 container and you are very urgent, we can let
factory priority produce your goods.
7. What is your packing.
Our packing is 20-25kg for one carton, 36 or 48pcs cartons for one pallet. One pallets is about 900-960kg,
We also can make customer's logo on the cartons. Or we customized cartons according to customers'
requestment
8. What is your payment term
We can accept T/T, LC for general order, Paypal and Western union for small order or samples order.