Seamless steel pipes are generally made by hot rolling or cold rolling of high quality carbon-bonded steel 16Mn, 5MnV or alloy steel 40Cr, 30CrMnSi, 45Mn2 and 40MnB. Seamless pipes made of low carbon steel such as 10 and 20 are mainly used for fluid transmission pipelines. Seamless tubes made of medium carbon steel, such as 45, 40Cr, are used to manufacture mechanical parts,such as stress parts of automobiles and tractors.Hot-rolled seamless steel pipes are divided into general steel pipes, low and medium pressure boiler pipes, high pressure boiler pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes.

304 stainless steel Pipe SS Tube

Yield strength (N/mm2) ≥205

Tensile strength ≥520

Elongation (%)≥40 Hardness

HB ≤187

HRB≤90

HV≤200

Density 7.93 g cm-3

Specific heat c(20ºC)0.502 J·(g·C)-1

Thermal conductivity λ/W(m·ºC)-1 (at the following temperature/ºC) 20 100 500 12.1 16.3 21.4

Linear expansion coefficient α/(10-6/ºC)

(between the following temperatures/ºC) 20~100 20~200 20~300 20~400 16.0 16.8 17.5 18.1

Resistivity 0.73 Ω·mm2·m-1

Melting point: 1398~1420ºC

Our products cover many kinds of stainless steel materials such as 201,304,304L,316,316L,310,321,etc. What's more, pipes, sheets, coils, and bars are all our main products. You can choose the materials and specifications you like. As an experienced company, we are alive and energetic to explorer tomorrow's busniess. We are located in Jiangsu Wuxi, China, with convenient transportation access.

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.

If you are interested in any of our products or would like to confirm anything,please feel free to contact us. We are looking forward to forming successful business relationships with all clients around the world in the future. To learn more about Stainless related products and our services，please kindly click one of the items in our menu.

JIANGSU SENYILU METAL MATERIAL CO.,LTD is your premium supplier and processor of specialty stainless steel, high-temperature stainless grades, corrosion resistant stainless grades and duplex materials — in multiple product forms, including stainless steel sheet, plate, bar, tubular and structural forms. All stainless steel products can be processed to meet your exact requirements.