CURVED STEEL

Your Bending Experts

WHY USE CURVED STEEL?

Reduce Risk & Control Cost

USE CURVED STEEL

It's Recyclable & Looks Great

FAMILY OWNED & OPERATED

Since 1939

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We Value Our Relationships

AWARD-WINNING PROJECTS

AESS Bending

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Facilites, Equipment, R & D

STEEL BENDING

Accurate & Repeatable Parts

SPECIALTY BENDING

Difficult & Unusual Parts

MATERIAL SIZES

Big & Small

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HIGHEST QUALITY

Lowest Distortion

VALUE ADDED SERVICES

Custom Fabrication!


BENDING TOLERANCES


Rotary Draw, Roll and Increment Bending Tolerances

Standard shop tolerances for rotary draw, roll and increment bending procedures are available upon request.



Spiral Bending Tolerances



Tolerances for Cold Spiral Bending
Plain view radius of 12'0" or less.

True Arc Length Plumb to Radius Line Torpedo Level Vertical Face Pitch in Degrees Height at Midpoint Height at Top
Under 10 ft +/- 12" Within 3° overall +/- 1° +/- 12" +/- 14"
10 ft - 17 ft +/- 34" Within 3 12° overall +/- 1° +/- 1" +/- 12"
17 ft - 24 ft +/- 1" Within 4° overall +/- 1 12° +/- 1 12" +/- 1"
Over 24 ft +/- 1" Within 5° overall +/- 1 12° +/- 2" +/- 1"
*To properly QC, all stringers are stood up at full scale pitch.


Tolerances for Cold Spiral Bending
Plain view radius greater than 12'0"

True Arc Length Plumb to Radius Line Torpedo Level Vertical Face Pitch in Degrees Height at Midpoint Height at Top
Under 10ft See Note 1 Within 3° overall +/- 1° n/a n/a
10 ft - 17 ft See Note 1 Within 3 12° overall +/- 1° n/a n/a
17 ft - 24 ft See Note 1 Within 4° overall +/- 1 12° n/a n/a
Over 24 ft See Note 1 Within 5° overall +/- 1 12° n/a n/a
*To properly QC, all stringers are stood up at full scale pitch.

Notes:
1. Plumb to Radius line tolerance is Not Applicable. Instead, Albina will apply our standard shop cord and rise tolerances (available upon request).


Tolerances for Cold Spiral Bending
Plain view radius of 20'0" or less.

True Arc Length Plumb to Radius Line Torpedo Level Vertical Face Pitch in Degrees Height at Midpoint Height at Top
Under 10ft +/- 14" Within 1 12° overall +/- 12° +/- 12" +/- 14"
10 ft - 17 ft +/- 12" Within 2° overall +/- 34° +/- 34" +/- 38"
17 ft - 24 ft +/- 34" Within 2 12° overall +/- 1° +/- 1" +/- 34"
Over 24 ft +/- 1" Within 3° overall +/- 1 12° +/- 1 12" +/- 1"
*To properly QC, all stringers are stood up at full scale pitch.


Tolerances for Cold Spiral Bending
Plain view radius greater than 20'0"

True Arc Length Plumb to Radius Line Torpedo Level Vertical Face Pitch in Degrees Height at Midpoint Height at Top
Under 10 ft See note 1 Within 1 12° overall +/- 12° n/a n/a
10 ft - 17 ft See note 1 Within 2° overall +/- 34° n/a n/a
17 ft - 24 ft See note 1 Within 2 12° overall +/- 1° n/a n/a
Over 24 ft See note 1 Within 3° overall +/- 1 12° n/a n/a
*To properly QC, all stringers are stood up at full scale pitch.

Notes:
1. Plumb to Radius line tolerance is Not Applicable. Instead, Albina will apply our standard shop cord and rise tolerances (available upon request).


Your Steel Bending Experts

People Like Us!

These rolled plates you processed for us had to be welded together for an exposed circular guardrail. We assembled the plates, ends lined-up, radiuses matched – the parts fit perfectly. Thank you and your team for your accuracy and performance.


Mark C.

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More People Like Us!

The staff at Albina Co., Inc. is prompt, friendly and most important professionals who turn out a GREAT product!!! We look forward to doing many more projects with them over the years.


Tom S.