External diameter

+/- 1%
with a minimum of
+/- 0,5 mm
and a maximum
of +/- 10 mm

Thickness

- 12.5%
the positive deviation is
limited by the tolerance
on mass

Dimensional tolerances - EN 10210-2

Ovalisation

2% for hollow
sections with a ratio
between diameter
and thickness of less
than 100

Straightness

0.20% on
the total
length

Mass

+8% - 6%
on the single
hollow section

External diameter
including ovalisation

D≤219,1 mm
±1% with a minimum
of ± 0,5 mm

D>219,1 mm
± 1%

≤ 0,025

± 20%

Dimensional tolerances - EN 10297

Thickness tolerances for diameter ≤ 219,1 mm

± 12,5% with a minimum of ± 0,4 mm

Thickness tolerances for diameter > 219,1 mm in S/D ratio

> 0,025 ≤0,050

±15%

> 0,050

± 12, 5%

Straightness

With D ≤33,7 mm
≤1,5 ‰

With D>33,7 mm
not foreseen

External diameter

+/- 1%
with a minimum of
+/- 0,5 mm
and a maximum
of +/- 10 mm

Thickness tolerances

With D ≤406,4 mm
S≤5 mm: ± 10%
S> 5 mm: ± 0, 50 mm

D>406,4 mm
± 10% with maximum
of ± 2 mm

Dimensional tolerances - EN 10219-2

Ovalisation

2% for hollow
sections with a ratio
between diameter
and thickness of less
than 100

Straightness

0.20% on
the total
length

Mass

+/- 6%
on the single
hollow section

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Overview

At ASG SpA, we value integrity, innovation, and excellence. These principles guide our commitment to quality and trust.

5 thousand

Satisfied customers

across 30 countries

2 million+

Steel delivered

annually

10.000+

Projects completed

on time every year

50+

Employees and

collaborators

35%

Export

orders

100K+

Stock

available

500+

Completed projects

on time

Overview

At ASG SpA, we value integrity, innovation, and excellence. These principles guide our commitment to quality and trust.

5 thousand

Satisfied customers

across 30 countries

2 million+

Steel delivered

annually

10.000+

Projects completed

on time every year

50+

Employees and

collaborators

35%

Export

orders

100K+

Stock

available

500+

Completed projects

on time

Overview

At ASG SpA, we value integrity, innovation, and excellence. These principles guide our commitment to quality and trust.

5 thousand

Satisfied customers

across 30 countries

2 million+

Steel delivered

annually

10.000+

Projects completed

on time every year

50+

Employees and

collaborators

35%

Export

orders

100K+

Stock

available

500+

Completed projects

on time

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Carrers

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