Hot rolled steel pipes introduce

Hot rolled square and rectangular tube

Material are hot rolled steel coils.Hot rolled steel strips.Q195 Q235 Q355 are main material of square tubes.

Q195 = S195 / A53 Gr. A
Q235 = S235 / A53 Grade B / A500 Gr. A / STK400 / SS400 / ST42.2
Q355 = S355JR / A500 Grade B Grade C

The standard ASTM A500,Grade A,Grade B,Grade C.

We can supply from 20*20--400*400mm.and thickness from 1.2 to 16mm.

Black square tube export package usually

Plastic wrapped

Slightly oiled

Painted black or other color

Standard seaworthy packing or as per your request.

ERW welded steel pipe

Material are hot rolled steel coils.Hot rolled steel strips.Q195 Q235 Q355 are main material of square tubes.

Q195 = S195 / A53 Gr. A
Q235 = S235 / A53 Grade B / A500 Gr. A / STK400 / SS400 / ST42.2
Q355 = S355JR / A500 Grade B Grade C

The standard ASTM A500 ASTM A53,Grade A,Grade B,Grade C.