439 Stainless Steel Coil

Introducing our latest innovation in stainless steel technology: the 439 Stainless Steel Series. Designed for those who demand durability and performance, this ferritic stainless steel is engineered with a remarkable composition that includes approximately 18% chromium and low carbon content.

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439 Stainless Steel Coil Description

What sets 439 stainless steel apart is its exceptional corrosion resistance, particularly in challenging environments where chloride ions are prevalent. This makes it an ideal choice for applications in marine, chemical processing, and food service industries, where exposure to harsh conditions is a daily reality. The high chromium content not only enhances its resistance to rust and oxidation but also contributes to its overall strength and longevity.

In addition to its impressive corrosion resistance, 439 stainless steel boasts excellent formability and weldability, allowing for versatile applications across various industries. Whether you are fabricating components for automotive exhaust systems, kitchen equipment, or architectural features, this material provides the reliability and performance you need.

The aesthetic appeal of 439 stainless steel cannot be overlooked either. Its smooth, polished finish adds a touch of elegance to any project, making it a popular choice for both functional and decorative applications.

Product Parameters

Product Name	439 Stainless Steel Coil
Type	Steel Coil
Thickness	2.5mm-10.0mm
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc.
Width	610mm-2000mm
Standard	ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface	BA, 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.
Certificate	ISO, SGS, BV, etc.
Production Technology	Hot Rolling, Cold Rolling
Edge Processing	Edging, Trimming

Chemical Composition

C	Si	Mn	Cr	S	P
≤ 0.03	≤ 1.0	≤1.0	17.0～19.0	≤ 0.03	≤ 0.04

Mechanical Properties

Tensile Strength Kb (MPa)	Yield Strength σ0.2 (MPa)	Elongation D5 (%)	Hardness
≥415	≥205	≥22	≤ 89HRB

Physical Performance

Density(g/cm³)	Modulus of Elasticity(Gpa)	Coefficient of Thermal Expansion(10-6/°C)	Coefficient of Thermal Conductivity(W/m*K)	Resistivity(ΜΩ. cm)
7.60	210	10.2	24.2	63