TS-552 CAST IRON WITH LAMELLAR GRAPHITE FOR GENERAL PURPOSES

DDL-15

DDL-20

DDL-25

DDL-30

DDL-35

Tensile Strength   N/mm2      (30 mm)

150

200

250

300

350

TYPICAL PROPERTIES

Hardness HB

160-190

170-210

180-250

200-240

210-250

Microstructure

Ferritic+Pearlitic

Peralitic+Ferritic

Pearlitic (min %90)

Pearlitic (100%)

Pearlitic  (fine)

Chemical Composition
(for the parts with medium thickness)

C : 3.40-3.60
Si : 2.30-2.50
Mn:0.50-0.80
S: 0.12  max
P: 0.50 max

C : 3.20-3.40
Si : 2.10-2.30
Mn:0.50-0.80
S: 0.12  max
P: 0.40 max

C : 3.00-3.25
Si : 1.85-2.10
Mn:0.40-0.70
S: 0.12  max
P: 0.25 max

C : 2.95-3.10
Si : 1.70-2.00
Mn:0.40-0.70
S: 0.10  max
P: 0.20 max

C : 2.70-3.00
Si : 1.70-2.00
Mn:0.60-0.80
S: 0.10  max
P: 0.20 max

EQUIVALENT STANDARTS

TURKEY- TSE TS-552 

DDL-15

DDL-20

DDL-25

DDL-30

DDL-35

EU - EN 1561

GJL 150

GJL 200

GJL 250

GJL 300

GJL 350

GERMANY -  DIN 1691

GG 15

GG20

GG 25

GG 30

GG 35

USA -  ASTM A 4876

Class 20 B

Class 25 B

Class 35 B

Class 50 B

Class 55 B

G.BRITAIN -  BS 1452

Grade 150

Grade 220

Grade 250

Grade 300

Grade 350

FRANCE - NF A32-101

Ft 15 D

Ft 20 D

Ft 25 D

Ft 30 D

Ft 35 D

ITALY - UNI 5007

GG 15

GG20

GG 25

GG 30

GG 35

JAPAN - JIS G 5501

FC 150

FC 200

FC 250

FC 300

FC 350