Stainless steel 409
Classification :
PRODUCT DETAILS
Product introduction
409 stainless steel is a Ferritic steel that offers good mechanical properties and high-temperature corrosion resistance. It is commonly considered as a chromium stainless steel, with applications in exhaust systems of automobiles and applications that demand weldability.
409 steels are also available in highly stabilized forms, such as grades S40930, S40920 and S40910. The stability of these grades is provided by the presence of niobium, titanium, or both, in the composition of steels.
Technical data
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Ni | Ti | |
| 409 | min. max. |
- 0.08 |
- 1.00 |
- 1.00 |
- 0.045 |
- 0.045 |
10.5 11.75 |
- 0.5 |
6x C 0.75 |
Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 409 | 450 | 240 | 25 | 75 | 131 |
Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 409 | 7800 | 200 | 11.0 | 11.7 | 12.4 | 25.8 | 27.5 | 460 | 600 |
Grade Specification Comparison
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 409 | S40900 | 409S19 | - | 1.4512 | X6CrTi12 | - | SUH 409 |
Possible Alternative Grades
| Grade | Properties |
| 3CR12 | Easy to weld and good corrosion resistance. Heavy sections are more easily available when compared to 409. |
| 304 | High heat resistance and corrosion resistance. Grade 304 is expensive. |
| 321 | Better heat resistance when compared to 304 or 409. |
| Aluminized steel | Cheaper than grade 409 stainless steel, but less resistant to exhaust gases. |
Storage video
Factory appearance and appearance
The company mainly engaged in steel production, sales and other businesses. The main products include all kinds of steel plate, steel pipe, bar, profile and other materials and section steel. At the same time is a number of domestic large steel mill level agents, with a certain price advantage.

Packing and delivery
For many years, the company has been established, adhering to the purpose of "respecting contract, keeping faith, customer first, reputation first, quality first", adhering to the customer demand as the center, to "achieve what customers think, think what customers think" business philosophy, to "one sale, small profit, real price, timely delivery" business principle, we manage all kinds of specifications and materials of steel pipe and profile for customers.

Application field
The main supply fields are: aerospace, national defense equipment, military weapons, chemical industry, shipbuilding, nuclear energy, trains, containers, environmental protection, precision machining, auto parts, machinery, electronic products, molds, medical treatment Equipment, construction, decoration, etc.

Customer Visit Feedback
Over the years since its establishment, the company has been adhering to the purpose of "honoring contract, keeping faith, customer first, reputation first, quality first", adhering to the customer demand as the center, to "reach customer think, think customer think" business philosophy.

CERTIFICATE OF HONOR
WELCOME TO INQUIRE
The company guarantees the quality of its products with its strong financial strength, advanced management experience and strict quality control system for incoming goods. Excellent products and good reputation are well-known all over the country, and have won the trust and support of major steel mills and customers. Welcome to inquire, negotiate or visit our company in person. Welcome to inquire, negotiate or visit our company in person.
COOPERATIVE PARTNER
FAQ
Q1:Will you offer samples?
A:Yes. We will provide samples according to your needs and send them out within three days after receiving payment.
Q2 : What product information do I need to provide?
A : Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3 : It's my first time to import steel products, can you help me with it?
A : Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:Do you have the products in stock?
A:We have the products in stock. Also, we can produce for your order.
Q5:Do you offer after-sales services?
A : Of course. We have a perfect after-sales service system, if you have any questions, please feel free to contact us. We will do it to your satisfaction.
Q6:What kind of work does your company do?
A:Our company is a professional manufacturer. We mainly produce stainless steel plate/coil/round rod, carbon steel plate/coil,galvanized plate/coil, PPGI coil, roofing sheet and so on.
Q7:What are the advantages of your company?
A : We have international advanced production equipment, large factory buildings, strong company strength, perfect products and reliable quality.
Q8 : Are you a factory or trading company?
A : We are a professional steel factory with many years of experience, perfect manufacturing process, quality assurance!
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