Alloy Iron

AUSTENITIC
GRAY
IRON

ASTM A 436 TYPE 1
AMS 5392 K
ASTM A 436 TYPE 1b
ASTM A 436 TYPE 2
ASTM A 436 TYPE 2b
ASTM A 436 TYPE 3
ASTM A 436 TYPE 4
ASTM A 436 TYPE 5
ASTM A 436 TYPE 6

AUSTENITIC
DUCTILE
IRON

ASTM 439 TYPE D-2
AMS 5394 B
ASTM A 439 TYPE D-2B
ASTM A 439 TYPE D-2C
AMS 5395 B
ASTM A 439 TYPE D-3
ASTM A 439 TYPE D-3A
ASTM A 439 TYPE D-4
ASTM A 439 TYPE D-5
ASTM A 439 TYPE D-5B
ASTM A 439 TYPE D-5S

ABRASION
RESISTANT
IRONS
(NIHARD)

ASTM A 532 1-A
ASTM A 532 1-B
ASTM A 532 1-C
ASTM A 532 1-D
ASTM A 532 2-A
ASTM A 532 2-B
ASTM A 532 2-C
ASTM A 532 2-D
ASTM A 532 2-E
ASTM A 532 3-A