DIN 1.4541 Stainless Steel Round Pipes

1.4541 is a stainless steel alloy tube also known as X6CrNiTi18-10 or AISI 321. It is an iron-based alloy containing elements such as chromium, nickel and titanium. 1.4541 alloy has good corrosion resistance in high temperature and highly corrosive environments, so it is widely used in furnace tubes, burners, storage tanks, food processing equipment and other fields.
1.4541 stainless steel pipe is characterized by excellent corrosion resistance and can be used in harsh environments such as high temperature, high pressure, strong acid, and strong alkali. At the same time, it also has excellent mechanical properties, such as high strength, high hardness, good plasticity and toughness, etc. These characteristics make 1.4541 stainless steel heat-resistant pipe widely used in many fields.
In the chemical field, 1.4541 stainless steel acid-resistant pipes are widely used in the manufacture of chemical reactors, storage tanks, pipelines and other equipment. Since these devices are often exposed to various chemicals, materials are required to have excellent corrosion resistance and mechanical properties. Seamless 1.4541 stainless steel pipe meets these requirements and remains stable during use, extending the life of the equipment.

DIN 1.4541 Pipes Seamless Pipes Equivalent Grades

Grade		321
UNS No		S32100
Old British	BS	321S31
	En	58B, 58C
Euronorm	No	1.4541
	Name	X6CrNiTi18-10
Swedish SS		2337
Japanese JIS		SUS 321

DIN 1.4541 Pipes Chemical Composition

Grade	DIN 1.4541
	min	max
C	–	0.08
Mn	–	2.0
Si	–	0.75
P	–	0.045
S	–	0.030
Cr	17.0	19.0
Mo	–	–
Ni	9.0	12.0
N	–	0.10

DIN 1.4541 Stainless Steel Fabricated Pipes

Density (20℃): 8.03 kg/dm³
Melting point range: 1398-1427℃
Specific heat capacity (0-100℃): 0.5 kJ/(kg·K)
Thermal conductivity (100℃): 16.3 W/(m·K)
Thermal conductivity (500℃): 22.2 W/(m·K)
Linear expansion coefficient (0-100℃): 16.6×10^(-6)/K
Linear expansion coefficient (0-546℃): 18.6×10^(-6)/K
Resistivity (20℃): 0.72 Ω·mm²/m
Longitudinal elastic modulus (20℃): 193 GPa

 

According to different compositions, 1.4541 alloy can be divided into two types: ordinary stainless steel and heat-resistant stainless steel.
Ordinary stainless steel refers to stainless steel containing less than 12% chromium and is mainly used in low-corrosive environments.
Heat-resistant stainless steel refers to stainless steel containing high chromium, high nickel and other alloying elements, which can work in high temperature environments.
1.4541 is a heat-resistant stainless steel that can work in high temperatures and corrosive environments.

 

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