High Intensity 439 Stainless Steel Plate

439 stainless steel is a ferritic stainless steel characterized by high chromium content (approximately 17-20%) and low carbon content. This combination provides outstanding corrosion resistance, particularly in environments containing chloride ions.

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High Intensity 439 Stainless Steel Plate

The key advantage of 439 stainless steel lies in its exceptional corrosion resistance. With a high chromium content, it effectively prevents rust and corrosion in both wet and dry conditions, making it well-suited for environments with moisture or chemical exposure. Additionally, 439 stainless steel offers good formability and weldability, allowing for easy molding into various forms and sizes without compromising structural integrity. This versatility makes it suitable for a wide range of manufacturing processes. However, it is important to note that 439 stainless steel is susceptible to corrosion in specific environments. Exposure to chloride-containing substances, such as salt water or harsh cleaners, can lead to pitting and rust on its surface. Furthermore, while 439 stainless steel is robust, it may not exhibit the same level of strength and durability as other stainless steel types, and may not perform optimally under heavy loads or stressful conditions.

Product Parameters

Product Name	439 Stainless Steel Plate
Type	Plate
Thickness	0.3mm-200mm
Length	2000mm, 2438mm, 3000mm, 5800mm, 6000mm, 12000mm, etc.
Width	40mm-600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc.
Standard	ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface	BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.
Scope of Application	This stainless steel is extensively utilized across various industries, including high-temperature and electrical sectors, medical equipment construction, chemical and food industries, agriculture, ship parts, food and beverage packaging, kitchen supplies, trains, airplanes, conveyor belts, vehicles, as well as in bolts, nuts, springs, and screens, among others.
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