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1045 Arrow-Ten® G&P

HOT ROLLED & COLD FINISHED

PACIFIC 1045 cold finished bars are medium carbon steel and have strengths above 1018 but below the heat treated alloy grades. 1045 can be heat treated and is often induction hardened for surface strength and wear resistance. PACIFIC 1045 Cold Finished Bars are offered in three quality conditions:

TURNED & POLISHED offers medium carbon strength at the lowest cost. Manufacturing tolerances are the widest for this condition. It is stocked in popular shafting sizes from 1-15/16" through 6-15/16" diameters.

ARROW-TEN® PRECISION SHAFTING is ground and polished to insure tight diameter tolerances and 16 rms maximum surface finish. ARROW-TEN® has been successfully used in many higher rpm, medium load applications such as shafts, spindles and arbors.

RING GAGE QUALITY bars offer the qualities of ARROW-TEN® with the added benefit of having been individually ring gauged. This is to insure that bearings will slip over the entire length of the bar with minimal effort.

CHEMICAL COMPOSITION
Heat Analysis - ranges and limits %

C
.43/.50
Mn
.60/.90
P
.040 MAX
S
.050 MAX

TYPICAL PROPERTIES
Approximate - not for specification

Cold
Drawn
Tensile (psi)
91,000
Yield (psi)
77,000
Elongation
12%
Hardness
179 HB
Machinability
56%
Turned
& Polished
Tensile (psi)
82,000
Yield (psi)
45,000
Elongation
16%
Hardness
163 HB
Machinability
56%

*Turned & Polished bars usually have hot rolled bar mechanical properties. Ground and polished bars have either cold drawn or hot rolled properties.

PROCESSING TEMPERATURES
Typical

Forge
2275°F max
Normalize
1550/1650°F
Case Harden
1525/1600°F

Shapes and Conditions Available
Turned & Polished Rounds from 1-15/16" through 6-7/16" Diameter
Ground & Polished Rounds through 5-1/2" Diameter
Ring Gauge Quality Rounds from 1" through 3-15/16" Diameter