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The chemical composition of 409 stainless steel pipes sets it apart from other stainless steels. It is mainly comprised of iron, with large amount of chromium and small amounts of carbon, manganese, silicon and nitrogen. Iron is the main element of 409 stainless steel, making for its strength and stability. Chromium helps form a protective oxide layer on the surface to ensure corrosion resistance. Carbon adds to the material's hardness and wear resistance. Manganese acts as a stabilizer to prevent excessive grain growth during heat treatment. Silicon enhances oxidation resistance while minimizing scaling at high temperatures. Nitrogen improves mechanical properties such as tensile strength and yield strength. This unique combination of elements gives 409 stainless steel excellent thermal expansion capabilities, making it suitable for high-temperature applications without jeopardizing its structural integrity or dimensional stability. Its chemical composition also helps achieve good solderability, thus simplifying the manufacturing process.
Product Parameters
Product Name | 409 Stainless Steel Pipe | |
Type | Steel Pipe | |
Outer diameter | Round Tube | 4mm-200mm |
Square Tube | 10*10mm-100*100mm | |
Rectangular Tube | 10*20mm-50*100mm | |
Wall Thickness | 0.6mm-6.0mm | |
Length | 1-6 meters, Length can be customized | |
Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. | |
Surface | Black, Bright Polished, Rough Turning, Matt Surface Treatment, No. 4. BA, etc. | |
Scope of Application | Common applications for stainless steel pipes include food processing, Textile operations, Breweries, Water treatment plants, Oil and gas processing, Fertilizers and pesticides, Chemical applications, Construction, Pharmaceuticals, Auto parts, etc. | |
Certificate | ISO, SGS, BV, etc. | |
Production Technology | Hot Rolling, Cold Rolling | |
Edge Processing | Edging, Trimming | |
Chemical Composition
C | Si | Mn | Cr | Ni | S | P |
≤ 0.08 | ≤1.0 | ≤1.0 | 10.5～11.75 | ≤ 0.5 | ≤ 0.045 | ≤ 0.045 |
Mechanical Properties
Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
≥360 | ≥175 | ≥25 | ≤ 162HBW |
Physical Performance
Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10-6/°C) | Coefficient of Thermal Conductivity(W/m*K) | Resistivity(NΩ.m) |
7.80 | 200 | 11.0 | 25.8 | 600 |
FAQ
Q:What about your price?
A:Our price is very competitive because we are a factory. Pls feel free to contact us if you are interested in our products.
Q:What certifications do your products have?
A:We have ISO 9001, SGS, EWC and other certifications.
Q:What kind of payment terms would you accept?
A:We always do T/T.30% T/T as deposit,70% T/T as balance.
Q:What is your MOQ?
A:We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.
Q:What is the delivery time?
A:10-15 days
PACKING AND DELIVERY
PRODUCT TESTING
CLIENT FEEDBACK
Our factory products comply with CE/EN10204/ASTM/classification society certificates/CASO/BIS and other certificates, and all orders are subject to TPI (SGS/TUV/BV, etc.) inspection
CERTIFICATE OF HONOR
COOPERATIVE PARTNER
