The difference of 316 stainless steel and 304 stainless steel for your railing system.

The difference of 316 stainless steel and 304 stainless steel for your railing system.

1. Corrosion Resistance

304 GRADE STAINLESS STEEL SECURITY SCREENS ARE VERY CORROSION RESISTANT

In coated mesh security applications there is little difference in corrosion resistance between 304 structural grade and 316 marine grade stainless steel.

Other brands use 316 marine grade stainless steel and claim to have higher resistance to corrosion, but the fact is for all products using high grade pre-treatment and high durability powder coat technologies, corrosion resistance levels are almost exactly the same in this application.

So that you can be assured - Crimsafe has been subjected to and has passed 3000 hours in the accelerated wet and dry cycling salt spray test which illustrates its excellent corrosion resistance.

2. Strength

AT A GIVEN STRENGTH 304 GRADE STAINLESS STEEL HAS A GREATER ABILITY TO DEFORM AND ABSORB ENERGY WITHOUT BREAKING THAN 316

Both 304 structural grade and 316 marine grade stainless steel in their softened state (annealed condition) are made to the same minimum Tensile Strength (strength before breaking) and Yield Strength (strength before permanently deforming.

Greater strength may be obtained from stainless steel by cold working the steel, for example, by bending or rolling a product, drawing wire from a thicker to a thinner diameter or hammering a product.

In the case of woven security wire, it is drawn from a larger diameter to a smaller diameter to obtain the correct tensile strength and yield strength.

At this stage 304 and 316 begin to behave differently:

  • The rate at which 304 increases in strength is higher than the rate at which 316 increases in strength as it is drawn to smaller diameter.
  • At a given strength, 304 also retains a higher level of ductility (the ability to absorb energy and deform without breaking),than 316.

In security applications this means 304 structural grade can remain stronger AND absorb more energy in an attack situation, than 316 marine grade.

This is an essential element in designing a security system.

3. What Does This All Mean When Selecting a Security Grade Product?

Much misinformation has been circulated regarding 304 structural grade stainless steel vs 316 marine grade stainless steel which has resulted in many people being misinformed about the true importance using 304 Structural grade stainless steel for security.

"We are not building boats" - Steve Brabeck (Crimsafe Managing Director)

Crimsafe uses a 0.9mm diameter 304 grade stainless steel wire which has been trademarked Tensile-Tuff®. Other mesh security systems use a 0.8mm diameter 316 grade wire. Crimsafe Tensile-Tuff 0.9mm 304 wire, when compared to 0.8mm 316 wire, has a 26.5% thicker cross- section. This means that at the same strength level, Tensile-Tuff can withstand loads at least 25% greater.

In addition, because of its lower rate of strengthening with cold work, 316 wire needs to be cold worked more than a 304 wire of the same diameter in order to gain its ability to be hard enough to pass the Australian Standard's Knife Shear Test. This greater level of cold work makes 316 product less ductile and less able to absorb energy and deform without breaking.

Weaving a mesh significantly deforms the wires and requires good ductility or, for the same ductility, a smaller wire diameter to avoid cracking or breakage. This balance of ductility/strength vs wire diameter is a design decision where Crimsafe have been able to make the larger diameter/ductility choice because of the properties of the selected 304 grade.

To better understand the significance of this difference in security applications - think of glass: glass is very hard and very strong, but it is also very brittle and breaks easily with sufficient force.

304 STAINLESS STEEL IS THE BEST FOR SECURITY APPLICATIONS

Crimsafe has found that 0.9mm diameter 304 structural grade stainless steel mesh performs better with higher ductility and higher energy absorption, at higher strength levels than 0.8mm diameter 316 marine grade making it more appropriate for use in security applications.

In security applications Crimsafe has chosen to use 304 grade Tensile-Tuff as we see no practical value or advantage in using 316 marine grade coated mesh over Crimsafe 304 grade Tensile-Tuff coated mesh.

FAQ

What service do we offer?

Project consultation -
Products solution -
Integrated product design -
Manufacture -
Shipping arangement -
Installation guide and after service

Who does the work?

Team work:
We have a special team for each project, in each team, we have:
1*Project manager+
Products specialist (there are four in each team,
different people specialize in different products)+
Technical support (product designer and interior designer)+
Production organizer+
Shipment organizer

How does it work?

First: The customer will place a request for a particolar product and offer Ritz (Housin Industry for short) building information (floor plan + elevation section drawings + detailed drawing + specification + BOM);
Second: Ritz team work on building information, and work out a solution for each product, plus a detailed quotation;
Third: Customer checks quotation and solution;
Fourth: Customer confirms quotation details and products solution, then makes agreement with Ritz;
Fifth: Ritz offer detailed shop drawing for each products and customer confirm each shop drawing;
Sixth: Arrange production
Seventh: Quality check by Ritz or the customer, and arrange shipping;
Eighth: After service

What products can Ritz offer?

A All types of staircase, balustrade abd fencing;
B All types of storage space, including: kitchen cabinet, vanity units, laundry, wardrobes, book shelf, walk in closets, TV cabinets, dressing table, etc;
C All types of windows and doors, including: PVC windows and doors, aluminum windows and doors, timber windows and doors, fire doors, glass doors;
D Flooring: bamboo flooring, solid timber flooring, laminated timber flooring, PVC flooring, ceramic tiles;
E Light fittings - LED and solar lights and fittings;
F Furniture: beds, tables, chairs; sofas; curtains; outdoor furniture; hotel furniture;
G Shower glass and sanitary products: taps, shower heads, tower bar, sinks, toilets, bathroom accessories, etc.

Who are Ritz?

We are professional supplier of one stop solution for building materials from China.

What`s “One Stop Supply”?

1. We have full range of building materials including kitchen cabinets, bathroom vanity, wardrobe, stair&railing, window&door, shower room, furniture, flooring, and so on. We are expanding our product range all the time.
2. Besides the manufacture, We can also make the integrated design, provide technical consultation, handle the shipment(to your port or warehouse),do the installation guidance for you.
What has Ritz done?

We have been doing projects in USA, Canada, Mexico, Dominican republic, Australia, Maldives,Thailand, Mauritius, Kenya,and so on. In most of the projects, we supply the full range of decoration materials and furniture.
For more details of our projects, pls feel free to contact us.

Why import building material from China?

1. Very competitive price, it will save you third or even half cost for your project.
2. Good quality, don't worry much about the quality, actually, most of the building materials you buy from Miami, Dubai ,Italy, South Africa or your local market are imported from China. So why not buy direct from China. The key point is to find a reliable supplier who is honest and professional to take care of the quality and delivery time.
3. China has full range of building materials for your project.

What’s the advantage of Ritz's

1. Our "one stop supply" will save your time, your money, and make your work much more efficient. If we work together with you, you just need to contact one person(one of our project manager)for your entire project, then you needn't to deal with many different factories, spending too much time on finding the supplier, communication, explaining the drawing, inspection, shipment, and so on.
2. Our "one stop supply" can make sure the building materials match each other.

Compared to other building material exporter in China, what virtues does Ritz have?

1. We are one stop building material supplier, most of exporter only have one or two kinds of material.
2. You just need to contact one person for different products of your project, but not different people, or different factories.
3 .Most of our team member have more than 4 years of experience in this industry.
4. Our experienced designer and engineer team are familiar with your building code, and can always find the best solution for you.
How to start our cooperation?

If you are working on the projects, pls send us the plan&elevation drawing, we will make the solution and quotation for you, discuss about all the details with you, once you confirm our solution and quotation, Then we can start. Usually, we will make detailed shop drawing for your confirmation before production.
If you are wholesaler, pls send us the detailed information of the products you are doing, we will give you our best price for your reference. We can start from sample order. If you h

Does Ritz have price list?

As most of our products are customized, and do not have standard size, we do not have price list. But we can send you some price we quoted for other projects for your reference.

Where is Ritz?

We located in shenzhen city, next to Hongkong, and near to Guangzhou. If you come from Hongkong, you can come to Shekou Ferry in Shenzhen by ship, which is 40min; If you come from Guangzhou, you can come by train, which is around 1 hour.
Before our cooperation, we sincerely hope you could come to visit us, we have a big showroom to show you our product range. And we believe the face to face meeting at the beginning will be very good for our long lasting cooperation.


Does Ritz have catalogue?

Yes, we have catalogue with full range of our products, pls contact us if you need.

If the project have long schedule, will Ritz be patient to track from the beginning?

Yes, we can fully understand some projects have long schedule, we are glad to discuss with you from the beginning till you place the order. To our experience, it lasts 1-2 year from the inquiry to the order for some projects. We will be very patient to discuss with you for the details again and again, and wait for you if your project have any delay.

Any certificate for each market?

Most of our products have the certificate for North American, EU, Australia&New zealand market, and so on. We can also supply you the test report for our raw material if necessary.

If no project right now, would Ritz like to send detailed information for reference?

Of course, pls feel free to contact us for any question at any time, whether you have project or not.

What's ttl cost if import from China?

Your ttl cost would be: FOB price + shipping cost + import tax+ inland transportation charge (from your port to your warehouse).

Have Ritz worked together with Architect or interior designer before?

Yes, we have worked together with some Architects and interior designers already, our service is very helpful for them.

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about us

1. QUALITY – We pride ourselves on delivering a first class result each and every time. Being entrusted with over 35 countries’ projects .

2. RELIABILITY – With our ‘Turn-up Guarantee’ you can rest assured we will be there when we say we will. So your project will be completed on time. We won’t leave you waiting.

3. ONE-STOP-SUPPLY – We provide complete project management from projects tender to form offer. We have a special projects team service for your projects , Including the home design and products Shop Drawing . All of our efforts are in order to help you save time and money .  

4. PERSONAL SERVICE – The people who own the company run the company. So you will receive personal service as each and every project is managed by us, Ritz building materials supplier .

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