304L (1.4307) Stainless Steel

304L is also one of the most widely used stainless steel grade. This grade is very close to 304 grade stainless steel and it is also shown as 1.4307. Name 304L can be explained by seperating 304 and L. L means Low and low indicates the carbon content of the material so 304L means 304 grade with low carbon content and the rest of the properties are the same. 304L could be slightly better when welding but rest of the properties are about the same. You can find some informations about 304L (1.4307) grade in this page.



Grade Properties

General Properties Stars
Corrosion Resistance:
Mechanical Properties:





304L (1.4307) Grade Material Stock List

Material Shape Min Diameter (mm)

Max Diameter (mm)

Round 3 250
Material Shape Min Size (mm) Max Size (mm)
Hexagonal 8 70
Flat Min Thickness: 5mm, max Thickness: 50mm Min Width: 20mm, max Width: 150mm
Square 5x5 150x150



Chemical Composition

Grade C Mn P S Si Cr Ni
304L (1.4307) %0.03 max %2.0 max %0.045 max %0.03 max %0.75 max





Links About 304 Grade