409 Stainless Steel Coil

409 stainless steel is a ferritic steel with good mechanical properties and high temperature corrosion resistance. It contains 11% chromium, which is the minimum amount required to form the passive surface film that makes stainless steel corrosion-resistant.

PRODUCT DESCRIPTION


409 Stainless Steel Coil Description

The chemical composition of 409 stainless steel coil sets it apart from other types of stainless steel. It is mainly composed of iron, with large amounts of chromium and small amounts of carbon, manganese, silicon and nitrogen. Iron is the primary element of 409 stainless steel, providing its strength and stability. Chromium gives the alloy corrosion resistance and helps form a protective oxide layer on the surface while carbon helps increase 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 compromising its structural integrity or dimensional stability.

Product Parameters


Product Name409 Stainless Steel Coil
TypeSteel Coil
Thickness2.5mm-10.0mm
Length2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc.
Width610mm-2000mm
StandardASTM, AISI, JIS, GB, DIN, EN, etc.
SurfaceBA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.
Scope of Application

Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging,

Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc.

CertificateISO, SGS, BV, etc.
Production TechnologyHot Rolling, Cold Rolling
Edge ProcessingEdging, Trimming

Chemical Composition

C

Si

MnCrNiSP
≤ 0.08≤1.0≤1.010.5～11.75≤ 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)
7.8020011.025.8600

Surface Selection


PRODUCT DISPLAY

CUSTOMER CASE

CUSTOMER PRAISE

INQUIRY

Requiredwrong format
Requiredwrong format
Requiredwrong format
Required

RELATED PRODUCTS

©  Shandong Taigang chuangye Stainless Steel Co., Ltd. Rights Reserved