STEEL GRADE

MARTENSITIC

FERRITIC

AUSTENITIC

FERRO CHROME

FERRO CHROME STABILIZED

FERRO CHROME NICKEL

FERRO CHROME NICKEL MOLYBDENUM

420A

420J2

420

430

441 LI

304

304 DL

304 MSA

304 MS

304 PSA

304 PS

316 L

EN 10088-2

1,4021

1,4028

1,4034

1,4016

1,4509

1,4301

1,4307

1,4301

1,4404

COLD ROLLED COILS AND SHEETS

2B

✓ *

✓

BA

✓

Patterned

✓

TYPICAL COMPOSITION

C

0,21

0,32

0,46

0,04

0,02

0,04

0,025

0,04

0,03

Cr

13,2

16,2

18,2

16,7

Ni

–

8,1

8,6

9,1

10,3

Mo

–

2,1

Others

–

Ti, Nb

–

Cu

–

Cu

–

MECHANICAL PROPERTIES AT 20 °C – TYPICAL VALUES

0.2% Yield Strength Mpa

360

400

300

270

250

260

250

270

Rm tensile Strength MPa

590

650

700

500

470

650

630

620

600

580

Elongation A%
A80 (thickness <3mm) A5 (thickness ≥3mm)

26

23

19

27

28

54

56

58

52

FOOD CONTACT D.M. 21/3/73

✓

CORROSION RESISTANCE

General

+

++

+++

Pitting

+

++

+++

SCC

+

++

°

Heat resistence

+

+++

++

COLD FORMABILITY

+

++

+++

++++

+++

WELDABILITY

+

+++

++++

+++

++++

° Not applicable/not required
+ Acceptable
++ Good
+++ Excellent
++++ Superior performance

DIMENSION

COLD ROLLED COILS
STEEL GROUP	THICKNESS mm		WIDTH mm
STEEL GROUP	FROM	TO	FROM	TO
304/430	0,4*	0,49	5	1270
304/430	0,5	3**	6	1520
316/441	0,4*	0,59	5	1270
316/441	0,6	3**	6	1520

* 0,35 mm thickness availability to be checked upon request

** up to 5 mm thickness availability to be checked upon request

COLD ROLLED SHEETS
THICKNESS mm		WIDTH mm		LENGTH mm
FROM	TO	FROM	TO	FROM	TO
0,4*	1,5	150	500	250	3000
0,4*	3**	501	1000	500	6000
0,4*	3**	1001	1520	1000	6000

* 0,35 mm thickness availability to be checked upon request

** up to 5 mm thickness availability to be checked upon request

THICKNESS TOLERANCES COILS AND SHEETS
THICKNESS	TOLERANCES*
≤ 0.59	± 0.030
0.60 – 0.99	± 0.040
1.00 – 1.49	± 0.050
1.50 – 1.99	± 0.060
2.00 – 2.99	± 0.090
3.00 – 4.49	± 0.13
4.50 – 4.99	± 0.14
5.0	± 0.15

* Measured 30 mm from edge
Asymmetric tolerances available

WIDTH TOLERANCES COILS AND SHEETS
WIDTH	TOLERANCES*
< 300	±0,1
301 – 1000	±0,2
1001 – 1500	±0,3

* Measured 30 mm from edge
Asymmetric tolerances available

OTHER TOLERANCES
LENGTH	TOLERANCES mm	FLATNESS	CAMBER
250 – 2000	– 0 + 4	According to required standard	According to required standard
2001 – 4000	– 0 + 6
4001 – 6000	– 0 + 8

FINISHES

FINISHES
DESCRIPTION	AISI ASTM A 480	EN 10088-2	FINISH / GRAIN SIZE	SURFACE CONDITIONS	COMMENTS
Cold rolled, annealed, pickled and skinpassed	2B	2B	2B	Smoother than 2D	Most common finish to ensure good corrosion resistance, smoothness and flatness
Cold rolled, bright annealed and light skinpassed	BA	2R	BA	Smoth, bright, mirror-like	Smoother and brighter than 2B
Polished	3	2K	Gr 220-240	Dull	Unidirectional texture
Polished	4	2K	Gr 240-280	Polished, bright	Unidirectional texture
Polished	6	2K	Gr 280-320	Not very reflective	Unidirectional texture
Duplo	4	2K	Duplo	Soft bright polished	Unidirectional texture, Ra < 0,5μm
Scotch Brite		2J	Scotch Brite	Bright	Brushed with unidirectional texture, Ra < 0,2μm
Pattern on one side		2M	Patterned	Different designs available	Excellent textured finish mainly for architectural applications
Tampico	2B/BA	2P	Tampico finish	Shiny	Medical and architecture
Mirror	BA	2P	Mirror finish	Shiny and glossy	Medical and tanks