Hot processing technologies

Grades of iron, steel, non-ferrous alloys produced  ( see annexes 1,2)

Limits

Process

Parametru

UM

Min

Max

Obs.
Steel making in electric arc furnaces Electric furnaces charge capacity

t

3

8
Coupled charges capacity

t

–

17
Grey iron making in induction furnaces Charge capacity in induction furnace

t

0,25

0,7
Nodular iron making Charge capacity

t

0,25

0,5
Manual moulding in metal frames or external cores and steel pouring Frame light

mm

300×400

5200×4300
Steel cast part weight

t

0,3

9,5 t
Manual moulding in metal frames or external cores and iron pouring Nodular iron cast part weight

t

0,45

Grey iron cast part weight

t

0,5

 ANNEXA 1

 A. LOW ALLOYED STEEL CAST IN PARTS
    
STAS 1773 ISO 9477 INTERNAL STD. ASTM SEW 510 SEW 550 EN 10213
T20Mn14 410-620 T30Mn14 A216-84 GS-30Mn5 GS 20Mn5 GP 240GH
T30MoCrNi14 540-720 T41MoCr11 WCC GS-42CrMo4 GP 20Mo5
G17CrMo5-5
G20Mn5
G17NiCrMo13-6
B. AUSTENITIC MANGANESE STEEL  C. CARBON STEEL CAST IN PARTS
STAS 3718-88 ASTM  STAS 600-82  ISO 3755  DIN 1681-85
T70Mn140 A128-73 OT 400-3  200-400  GS 38.3
T105Mn120 B1 OT 450-3  230-450  GS 45
T130Mn135 A OT 500-3  270-480  GS 52
G-X 120MnCr12.2 OT 600-3

 

ANNEXA 2

A. NODULAR GREY IRON

STAS 568-82 EN 1561 DIN 1691-85
FC 100 EN-GJL-100 GG-10
FC 150 EN-GJL-150 GG-15
FC 200 EN-GJL-200 GG-20
FC 250 EN-GJL-250 GG-25

 

 

C. REFRACTORY IRON

STAS 6706-79 SR EN 12513
FrCr 07 EN GJN KV 350
FrCr 30 EN GJN KV 600

 

 B. NODULAR IRON 

STAS 6071-82 EN 1563 DIN 1693-73 UNI 4544-74
FGN 400-12 EN-GJS-400-15
FGN 450-5 EN-GJS-450-10
FGN 500-7 EN-GJS-500-7 GGG-50 GS 500-7
FGN 600-2 EN-GJS-600-3 GS 600-3
FGN 700-2 EN-GJS-700-2 GGG-70 GS 700-2

 

D. WEAR RESISTING IRON

STAS 6707-79
FC A 1
FC A 2
FGN  A1
FGN A 2