Ductile Iron Castings.pdf

DUCTILE IRON CASTINGS Grades 60-40-18, 65-45-12, 80-55-06, 100-70-03 & 120-90-02 Ductile Iron offers the castability, machinability, and corrosion resistance of gray iron while adding the high strength, ductility, and hardening ability of steel. Our ductile iron castings are well known throughout the industry for high-impact resistance and a high modulus of elasticity and strength, resulting in heavier load capacity with less deflection. UNS numbers and corresponding American specifications Standard UNS

Numbers/Grades F3000

F32800

ASTM A395

60-40-18

ASTM A536

60-40-18

F32900

F33100

F33101

65-45-12

F33800

80-55-06

ASTM A476

80-60-03

ASTM A716

******

AMS SAE J434

5315 DQ & T

D4018

D4512

MIL-I-24137

UNS

F34800

F36200

100-70-03

F43001

F43002

F43003

F43004

D-2

D-2B

D-2C

C-3

C-3A

F43010

F43020

F43021

F43030

(B)

(C)

120-90-02

D7003

UNS

F43005

F43006

F43007

D-4

D-5

D-5B

ASTM A571

D5506

F43000

SAE J434

ASTM A439

5316

(A)

ASTM A439 ASTM A536

D-2M

AMS MIL-I-24137

F34100

5395

Specifying Body

Spec. No.

ASTM

A395

ASTM

Use

Grade or Class

Min. Tensile PSI

Min. Yield PSI

% Elongation

Heat Treatment

Pressure retaining parts for use at elevated temperatures (up to 650ºF)

60-4018

60000

40000

18

Ferritized by annealing

Maximum shock resistance

60-4018

60000

40000

18

May be annealed

Most widely used grade for normal service

65-4512

65000

45000

12

Other Requirements

Chemical composition is subordinate to mechanical properties.

Suitable for flame and induction hardening

80-5506

80000

55000

6

Best combination of strength, wear resistance and response to surface hardening

100-7003

100000

70000

3

Usually normalized

Maximum strength and wear resistance

120-9002

120000

90000

2

Usually quench and tempered

A536