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.

5,000+

Satisfied customers

in 35+ countries

50K+

Tons of steel

delivered annually

10,000+

Projects completed

on time every year

40+

Team members

and collaborators

35%

Orders shipped

worldwide

100K+

Units in stock

ready to go

200+

On-time projects

every month

Overview

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

5,000+

Satisfied customers

in 35+ countries

50K+

Tons of steel

delivered annually

10,000+

Projects completed

on time every year

40+

Team members

and collaborators

35%

Orders shipped

worldwide

100K+

Units in stock

ready to go

200+

On-time projects

every month

Overview

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

5,000+

Satisfied customers

in 35+ countries

50K+

Tons of steel

delivered annually

10,000+

Projects completed

on time every year

40+

Team members

and collaborators

35%

Orders shipped

worldwide

100K+

Units in stock

ready to go

200+

On-time projects

every month

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Carrers

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Quick links

Find what you need
quickly and easily

Start a project

Kickstart your project with our premium steel solutions.

Latest news

Stay updated with the latest news and industry insights.

Carrers

Join our team and shape the future of steel innovation.