Webco’s FinishLine™ chassis tubing is engineered to meet the exacting mechanical, dimensional, and surface finish requirements of today’s top-tier race teams and chassis builders. Whether you’re building for dirt, drag, or oval tracks, FinishLine™ delivers the consistency and performance that gets you to the checkered flag faster. With precision cold-drawing and atmosphere-controlled thermal processing, FinishLine™ ensures repeatable mechanical properties and industry-leading surface finishes—tube to tube, chassis to chassis, race to race.
Advantages
- Mechanical and dimensional consistency which exceeds industry standards
- Superior surface finish for welders, painters, and pit crews
- Trusted by top-tier teams in NASCAR, SCCA, USAC/Midget, and more
- Used by 2023 Indy 500 Top 3 finisher Santino Ferrucci
Why Choose FinishLine™ Tubing?
- Seamless and welded DOM and CrMo cold-drawn seamless tubing available in various sizes with consistent performance and finish characteristics.
- Readily available in 4130 grade.
- Webco offers mild carbon grades available in both welded and seamless DOM products.
- Webco can provide CrMo or DOM tube products as centerless ground, allowing for exceptional surface and weight control.
- Manufacturing and testing performed in Sand Springs, OK, USA.
- The Webco technical support team, backed by more than 50 years of manufacturing experience in tubular products.
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Composition
Element
Min
Max
Carbon
0.28
0.33
Manganese
0.40
0.60
Silicon
0.15
0.35
Phosphorus
--
0.025
Sulfur
--
0.025
Chromium
0.80
1.10
Molybdenum
0.15
0.25
Nickel
--
0.25
Copper
--
0.35
Tensile Properties
Minimum tensile properties, inch/pound units
Nominal OD Inches
Nominal Wall Thickness Inches
Tensile Strength ksi
Yield Strength at 0.2% Offset ksi
Elongation in 2 Inches or 4D % Full Tube
Elongation in 2 Inches % Strip
0.500 and over
Up to 0.188, incl
95
75
12
7