As a professional Stainless Steel Square Bar manufacturer, Jlinstainless steel could supply high-quality Stainless Steel Square Bar. It can be applied to various industries like construction. We can polish the surface according to the customer’s requirements. Our Stainless Steel Square Bar is made up of quality raw material. Procured by advanced equipment, used in various industries. Because of its nice surface, it is always used in some industries like architecture.
ASTM A240/JIS Standard 4304
3.1 MTC is available once order confirmed，all of our products are conformed with JIS G4304 and ASTM A240 standard.
ASTM A240 Chemical Standard
|Steel Grade||Ni% Max.||Cr% Max.||C% Max.||Si% Max.||Mn% Max.||P% Max.||S% Max.||Mo% Max.||Ti% Max.||Other|
|S30400||8.0~10.5||17.5~19.5||0.07||0.75||2||0.045||0.03||–||–||N: 0.1 Max.|
|S30403||8.0~12.0||17.5~19.5||0.03||0.75||2||0.045||0.03||–||–||N: 0.1 Max.|
|S31603||10.0~14.0||16.0~18.0||0.03||0.75||2||0.045||0.03||2.0~3.0||–||N: 0.1 Max.|
ASTM A240 Mechanical Standard
|Steel Grade||N/mm 2 MIN.||N/mm 2 MIN.||% MIN.||HRB MAX.||HBW MAX.||Bendability:||Bendability:|
|Tensile Stress||Proof Stress||Elongation||Hardness||Hardness||Bending Angle||Inside Radius|
|BD||Bright drawn||SRE||Slit rolled edge|
|CG||Centreless ground||HF||Hot finished|
|CF||Cold finished||HRAP||Hot rolled annealed and pickled|
|P&T||Peeled and turned||RT||Rough turned/peeled|
|ST||Smooth turned||PR||Peeled and reeled|
Size & Tolerance
Type SIZES (mm) SIZES (Inches) ISO Tolerance
Cold Drawn and Polish 3.00 – 75.00 1/8″ – 3.00″ h8-h9-h10-h11
Cold Drawn and Ground 10.00 – 75.00 5/6″ – 2.50″ h8-h9-h10-h11
Peeled and Polished 40.00 – 150.00 1.50″ – 6.00″ h11, h11-DIN 1013
Peeled and Ground 20.00 – 50.00 3/4″ – 2.00″ h9-h10-h11
Raw material test
All the raw material has been selected from certified raw material suppliers.
Surface defects are the most common problem for stainless steel round bar, all of our bars have been checked by the latest automatic camera to ensure the quality.
Bar package and loading has many details. with years experience, we can offer wooden box package and strong PVC package.