stainless steel 409l coils

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Martensitic Stainless Steel Coil

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409L Stainless Steel Coil

409L 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.

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Product Details

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

Commodity	Austenitic, Ferritic, Martensitic, Duplex, Cold rolled, Hot rolled
Grade	201, 202, 301, 304, 304j1, 304l, 321, 309s, 310s, 2205, 409l, 410, 410s, 420, 420j1, 420j2, 430, 439, 409L, 443, 444, etc
Standard	ISO, JIS, ASTM, AS, EN, GB
Surface	N0.1, N0.2, N0.3, N0.4, N0.5, N0.6, N0.7, N0.8, 2D, 2B, HL, BA, 6K, 8K, etc
Thickness	0.1-200mm
Width	10-2000mm
MOQ	1MT
Packaging	Export standard, seaworthy
Trade Term	FOB, CFR, CIF
Transport Type	Container, bulk and train
Loading port	qingdao, tianjin, etc
Payment terms	T/T, L/C at sight,West Union,D/P,D/A,Paypal
Delivery time	15-35 days after confirmed order

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

Surface Selection

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Why Choose Us

Behind the growth and success of Kuaima Steel is years of hard work and dedication in the steel industry and meeting customers' needs on time. Advanced technology, standard products, certified quality standards and the bestcustomer service make Kuiama Steel a true leader in the global market.

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Service field

Every industry has its unique set of material specifications and needs. That’s why you can count on the exceptional experience and industry knowledge of the professionals at Kuaima Steel - Meeting the Exact Needs of Every Industry That Uses steel.