Weight Chart & size range: Grade - AISI 200 & 300 Series
![Stainless Steel Pipe](https://smarttubes.in/wp-content/uploads/2020/12/2020-12-08.jpg)
1 Formula for weight calculation: {O/D(mm) – Wall Thickness(mm)} * Wall Thickness(mm) * 0.0248 = Kg/Mtr.
NM = Not Manufactured by SMART Stainless Tubes Pvt. Ltd.
![SS Tubes](https://smarttubes.in/wp-content/uploads/2020/12/2020-12-08-2.jpg)
![](https://smarttubes.in/wp-content/uploads/2023/05/1Smart-Steel-brochure-KOLKATA-v23.png)
Dimensional Tolerances According to EN 10296-2/ASTM A554
![Manufacturers of Steel Tubes in Kolkata](https://smarttubes.in/wp-content/uploads/2020/11/dimention-chart-935x1024.jpg)
![](https://smarttubes.in/wp-content/uploads/2023/05/Smart-Steel-brochure-KOLKATA-v23.png)