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EDRO #45Free Machining Carbon Steel
General Properties

Typical analysis %

C
.42/.50

MN
1.00/1.30

P
.040max

S
.24/.33

SI
.10/.40

Delivery condition

187 H.B.

Color code

Purple

EDRO #45 is a medium carbon steel stocked in as rolled condition.

EDRO #45™ is characterized by:

  • Excellent machinability
  • Responds to surface hardening
  • May be welded
  • Good dimensional stability
  • Manufactured in the USA
Applications
  • Rubber molds, short run blanking dies
  • Trimming dies, slides, holders, bolsters, etc.

PHYSICAL DATA

These are typical mechanical properties for a 1" thick platte in the as rolled condition.

Tensile Strength

96,000

Yield Strength

56,000

Elongation in 2"

20%

Reduction of Area

40%

HARDENING EDRO #45™

Normalize 1600° - 1700°F

Anneal 1450° - 1500°F

Stress Relieve 1200° - 1300°F

Carburize 1650° - 1700°F

Harden 1475 - 1550°F (oil or water)

MACHINABILITY

EDRO #45™ machines at speeds up to 40% higher than other steels with comparable carbon content. EDRO #45™ is machined at cutting speeds of up to 145 surface feet per minute.