Hot rolling is a metal working process where large pieces of metal, such as slabs or billets, are heated above their temperature and thendeformed between rollers to form thinner cross sections. Hot rolled products (commonly known as black steel) generally weld, bend, drill and form very easily and are the least expensive of steels
applications
Rail tracks, storage tanks, storage bins, tubes
& pipes, high-pressure gas cylinders, oil well
pipes, pipelines, bearing plates for buildings,
boilers, ship construction and other structural
applications.
EN 10025 – 90 + A1- 93 | ITALIA UNI 7070 | GERMANIA G.B. 4360 SPAGNA UNE 36080
DIN 17100 |
FRANCIA AFNOR NF
A 35.501 |
S 185 | Fe 320 | St 33 | A 33 |
S 235 JR | Fe 360 B | St 37 – 2 | E 24 – 2 |
S 235 JO | Fe 360 C | St 37 – 3U | E 24 – 3 |
S 235 J2 G4 | |||
S 275 JR | Fe 430 B | St 44 – 2 | E 28 – 2 |
S 275 J0 | Fe 430 C | St 44 – 3U | E 28 – 3 |
S 275 J2 G3 | Fe 430 D | St 44 – 3N | E 28 – 4 |
S 275 J2 G4 | |||
S 355 JR | Fe 510 B | E 36 – 2 | |
S 355 JO | Fe 510 C | St 52 – 3U | E 36 – 3 |
S 355 J2 G3 | Fe 510 D | St 52 – 3N | |
S 355 J2 G4 | |||
S 355 K2 G3 | Fe 510 DD | E 36 – 4 | |
S 355 K2 G4 |
G.B. 4360 | SPAGNA UNE 36080 | CHINESE
STANDARDS |
USA ASTM |
A 310 – 0 | Q 195 | ||
40 A | Q 235 A C | A 283 Gr C / B | |
40 C | AE 235 C | Q 235 C | |
43 B | AE 275 B | Q 255 A | A 36 / A 283 D |
43 C | AE 275 C | ||
43 D | AE 275 D | Q 275 | A 633 Gr A |
50 B | AE 355 B | A 572 Gr 50 / A 678 Gr A | |
50 C | AE 355 C | ||
50 D | AE 355 D | ||
50 DD |