439 Stainless Steel Coil

439 stainless steel coil excels in corrosion resistance. This stainless steel has a high chromium content, which prevents rust and corrosion in both wet and dry conditions. This makes it ideal for use in moisture or chemicals. In addition, 439 stainless steel also has good formability and weldability and can be easily molded into different forms or sizes without compromising on its structural integrity. This makes it versatile and suitable for different manufacturing processes. However, 439 stainless steel coil is vulnerable to corrosion in certain environments. Contact with chloride-containing substances, such as salt water or harsh cleaners, can cause pitting and rust on the surface of 439 stainless steel. 439 stainless steel coil does not have the same level of strength and durability as other types of stainless steel. Despite being a strong material, it may not perform well under heavy loads or stressful conditions.

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

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

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