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Cold Rolled & Cold Drawn Metal Profiles

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Profile Capabilities

Profile Dimensional Tolerances

CharacteristicStandard Rolling ToleranceStandard Drawing ToleranceOptional
Linear± .002″ Thickness
± .005″ Width		±.002″ All±.0005″
Radial±.010″ Shape Dependent ± .005″ small radii
± .010″ large radii		± .002″
Corners/FilletsDependent on location on profile.015″ max-90° Blend on
Obtuse		.005″ max – 90° Obtuse –
Review
Surface Finish63 Ra125 Ra40 Ra
Size LimitationsTypically less than 1.5″Typically Range .032** to
2.0″		Configuration Dependent

Additional Conditions

CharacteristicStandard TolerancesOptional
Lengths 10′-12′ from coil raw material 8′-14′
from bar raw material with variation in
length to be within ± 1.0″		Dead Lengths Abrasive / Cold Saw
Pieces ± .005″ on cut pieces
Mechanical PropertiesRockwell Hardness reported if
required by customer		Outside Testing Available
Surface CoatingsCarbon & Alloy – Phosphate &
Soap Stainless – Cleaned dull matte finish
Copper & Brass – Residual Soap		Bright & Shiny Appearance
Cut EndsDeformed Pinch cut/ Shear cutShaped Shear, Saw cut ends
Shipping ContainersReddi Crate™Wooden Boxes, Spools Banded
Bundles
Hardness Range Values Carbon HRB 75- HRB 95 Alloy HRB 90 –
HRC 28 Stainless HRB 90-HRC 25
Copper & Brass HRB 60-HRB 85		May be adjusted by modification of
cold work reductions
TemperAs Drawn or As Rolled Stress Relieved Annealed Heat Treated
(Outside)
Straightness

Twist		.020″ / Ft. cumulative
.030″ / Ft. cumulative – small wire
± 2° per foot		.005″ / Fl
DecarburizationNot checked unless there is a customer requirement.005″ max total and or partial-
Requires surface improved raw stock

Partial Materials Listing

CATEGORYGRADE
Carbon Steel1006, 1010, 1018, 1022, 1030, 1040, 1050, 1060, 1070, 1095
Free Cutting1117, 1137, 1441. 1144, 1215, 12L14
Alloy Steels4130, 4140, 4150, 4340, 4820, 6150, 8620, 8640, 8650, 9310, 52100
300 Series Stainless302, 303, 304, 305, 316, 316LS, 321
400 Series Stainless403, 405, 410, 416, 420, 430, 430F, 430FR, 450, 455, Trimrite
High TemperaturePyromet A286, 600, 625, 718
Copper, Brass, Bronze101, 102, 110, 182, 187, 230, 260, 270, 335, 340, 360, 464, 510, 521, 544, 651, 655, 706, 715, 752
Nickel- Copper400, 405

Customer Advantages

  • Reduced Machining
  • Higher Strength
  • Smoother Surfaces
  • Minimized Scrap
  • Closer Tolerances
  • Consistent Dimensions
  • Better Grain Structure
  • Lot to Lot Repeatability
  • Less Processing Time

Quotation to Production Process

Rathbone Quotation to Production Process Flow Chart

Involute Gears

Involute Gear Diagram

Information Required

  1. Number of Teeth
  2. Diametral Pitch
  3. Pressure Angle

Standard Tolerances

  • Outside Diameter ±.002″
  • Measure over pins ±.0015″
  • Root Diameter ± .005″

Gear is not checked to any specific AGMA level as tooth profile is checked using an optical comparator.