Distribution
Cold finished seamless tubes
Hydraulic and pneumatic lines EN 10305-4Zista® and Zistaplex®
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An internationally operating stockholding company of carbon steel and stainless steel tubes
With about 50 locations in more than 30 countries the company ranks among the leading
global distribution companies. Our core business is the reliable supply of high-quality
steel tubes supplemented by comprehensive services precisely tailored to the customers’
requirements. Offering competent consultancy, bundled sourcing, tailor-made stocking
and customised logistics, Benteler Distribution has gained a high reputation as a reliable
supplier of high-quality steel tubes to a wide range of industries.
In everything we do we are committed to meeting national and international standards.
Our documented processes are certified according to the norm DIN EN ISO 9001. This com-
mitment to quality is shared by our suppliers who undergo our regular quality checks.
Our stock profile - steel tubes in a wide variety of qualities and dimensions
The choice of the right material determines the quality and profitability of your end
product. Our wide assortment and technical expertise enable us to supply you reliable
and producer independent with customised steel tube solutions. Due to a close coopera-
tion with worldwide leading steel tube producers we are also able to provide you with
special grades and dimensions at short notice and assist you – if desired – in product
development.
Our proximity to the procurement and sales market allows us to react in time on changing
requirements and to pursue technical developments at an early stage as well as to
exploit the full potential of the material. In this sense we consider ourselves an initiator
for our customers. We want to supply you with high quality and technologically
advanced steel tube solutions.
Benteler Distribution
Customised steel tube solutions
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The reliable supply of high-
quality steel tubes and
customised service solutions
is the promise we make to
our customers in more than
30 countries.
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Cold finished seamless tubes
Our services at a glance
We have access to group
stocks in excess of over
100,000 tons - including our
precision steel tubes with a
special surface treatment
which leads to an excellent
corrosion resistance.
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Our services – your benefits
Access to leading steel tube
manufacturers Competitive material prices, also for smaller lots
Deliveries according to national
and international standards
High-quality steel tubes for demanding applications
Applications engineering Comprehensive technical consultancy
Pre-machining up to ready-to-install components Increased efficiency of manufacturing processes
Kanban, JIT, JIS, and consignment stocks Reduced working capital stocks
and in-house logistics
DIN ISO 9001 certified across all locations Equally high service levels across
32 countries
Integrated global account management Beneficial cross-border cooperation
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Cold finished seamless tubes
Our range at a glance
Cold finished seamless tubes - hydraulic and pneumatic lines
Standard EN 10305-4
Dimensions 4.0 x 0.5 mm to 114.3 x 20 mm
Lengths random and fixed lengths, prefinished acc. to customer drawing
Delivery conditions +N (NBK) normalised
other delivery conditions on request
Materials Steel grade (EN)
E235
E355
other materials on request
Surface treatment non-phosphated, phosphated, outside galvanised and yellow chromated or outside galvanised
and clear passivated (chromium VI-free acc. to End of Life Vehicle Directive), thin and thick coat
passivation and other surface treatment on request
Ends tube ends closed with plugs or caps
Marking continuous marking along the entire tube length
Certification 3.1 acc. to EN 10204
other certifications on request
Seamless and welded precision steel tubes – Benteler Special 07 ®
Dimensions 4.75 x 0.5 mm to 12 x 1.8 mm
Tolerances outside diameter ±0.08 mm
wall thickness ±10 % (except welded seam)
Lengths 6 m or on coil
other lengths and fixed lengths on request
Delivery conditions +N (NBK)
+CR1, other delivery conditions on request
Materials Steel grade (EN)
E195
E235
IF25
other materials on request
Surface treatment non-galvanised
Testing eddy current testing acc. to EN 10246-3, ZK E3H
Certification 3.1 acc. to EN 10204
other certifications on request
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Seamless and welded precision steel tubes – Benteler Zista 07 ®
Dimensions 4.75 x 0.5 mm to 12 x 1.8 mm
Tolerances outside diameter ±0,08 mm
wall thickness ±10 % (except welded seam)
Lengths 6 m or on coil
other lengths and fixed lengths on request
Delivery conditions +N (NBK)
+CR1
other delivery conditions on request
Materials Steel grade (EN)
E195
E235
IF25
other materials on request
Surface treatment outside galvanised (layer thicknesses min. 12 μm) and yellow
chromated or outside galvanised and passivated
(CR-VI-free acc. to End of Life Vehicle Directive)
thin and thick coat passivation on request
Testing eddy current testing acc. to EN 10246-3, ZK E3H
Certification 3.1 acc. to EN 10204
other certifications on request
Seamless and welded precision steel tubes - Benteler Zistaplex ®
Standard EN 10305-1/-2/-3/-4
Dimensions 4 x 0.5 mm to 42 x 6 mm
Lengths 6 m
other lengths and fixed lengths on request
Delivery conditions +N (NBK)
other delivery conditions on request
Materials Steel grade (EN)
E235
E355
other materials on request
Surface treatment outside galvanised (min. 8 μm), CR-VI-free passivation,
additional organic coating (EPOXY ≤ 50 μm), RAL 9005, black
other colors, coatings and thicknesses on request
Marking continuous marking along the entire tube length on request
Certification 3.1 acc. to EN 10204
other certifications on request
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Chemical composition (Ladle analysis)
% by mass
Specification C max. Si max. Mn max. P max. S max. Al min. Al max.
EN 10305-4 E235+N 0.17 0.35 1.20 0.025 0.015 0.015
EN 10305-4 E355+N 0.22 0.55 1.60 0.025 0.015 0.020
BS 3602 CFS360 NBK 0.17 0.35 0.80 0.035 0.035 0.060
DIN 1630 ST 37.4 0.17 0.35 0.35 0.040 0.040 0.020
DIN 1630 ST 52.4 0.22 0.55 1.60 0.040 0.035 0.020
Tensile test
The test shall be carried out at room temperature in accordance with EN ISO 6892-1 and the following determined:
a) the tensile strength Rm
b) the upper yield strength ReH
If a yield phenomenon value is not present, the 0.2 % proof strength Rp0.2
shall be determined.
c) the percentage elongation A after fracture with a reference to a gauge length L0 of 5.65√ S
0
If a non-proportional test piece is used, the percentage elongation A shall be converted to the value for a
gauge length L0= 5.65√ S
0 using the conversion tables given in EN ISO 2566-1
Mechanical properties at room temperature
Minimum values for the delivery condition
Tensile strength Yield strength * Elongation after fractureRm ReH A
Specification MPa MPa %
EN 10305-4 E235+N 340 to 480 235 25
EN 10305-4 E355+N 490 to 630 355 22
BS 3602 CFS360 NBK 360 to 500 235 25
DIN 1630 ST 37.4 340 to 480 235 25
DIN 1630 ST 52.4 490 to 650 355 22
* For tubes with outside diameter ≤ 30 mm and wall thickness T ≤ 3 mm, the ReH
minimum values are 10 MPa lower than the
values given in this table.
Cold finished seamless tubes - hydraulic and pneumatic lines
Chemical composition and mechanical properties
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Tolerances EN 10305-4
Outside diameter (mm) Tolerances (mm)
> 4 ≤ 10 ±0.08
> 10 ≤ 30 ±0.08
> 30 ≤ 40 ±0.15
> 40 ≤ 50 ±0.20
> 50 ≤ 60 ±0.25
> 60 ≤ 70 ±0.30
> 70 ≤ 80 ±0.35
Wall thickness ± 10 %
All tubes are eddy current tested and are marked with size, cast number and specification.
Tubes can be supplied in zinc plated condition with 12, 15 or 25 micron plating thickness and clear yellow passivation.
A full range of phosphated tubes are also available within 2/3 weeks.
Please refer to Euronorms EN 10216 and EN 13480-3 regarding working pressure calculations.
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Wall thickness - swg (mm)
OD 22 20 18 17 16 14 13 12 11 10 9 8 7 6 5 1/4
Inch mm (0.71) (0.91) (1.22) (1.42) (1.63) (2.03) (2.34) (2.64) (2.95) (3.25) (3.66) (4.06) (4.47) (4.88) (5.39) (6.35)
3/16 4.76 0.07 0.09 0.11
1/4 6.35 0.10 0.12 0.15 0.19
5.16 7.94 0.13 0.16 0.20 0.25
3/8 9.53 0.15 0.19 0.25 0.28 0.32 0.38
13/32 10.32 0.41 0.50
31/64 12.31 0.63
1/2 12.70 0.26 0.35 0.44 0.53 0.65
17/32 13.49 0.57 0.71 0.77
9/16 14.29 0.30 0.39 0.51
5/8 15.88 0.34 0.44 0.57 0.69 0,86 1.01
11/16 17.46 1.06 1.14 1.34
3/4 19.05 0.41 0.54 0.70 0.85 0.96 1.07 1.17 1.27 1.50
25/32 19.84 1.33
27/32 21.43 0.97 1.22 1.46 1.74
7/8 22.23 0.63 0.83 1.01 1.28 1.52
1 25.40 0.55 0.73 0.96 1.17 1.33 1.48 1.78 2.14 2.31 2.47 2.98
1 1/16 26.99 1.59 1.75 1.90 2.11 2.30 2.48
1 1/8 28.58 1.08 2.03
1 1/4 31.75 0.92 1.21 1.49 1.70 1.90 2.10 2.28 2.77 3.23 3.98
1 11/32 34.13 2.47 3.01 3.52 4.35
1 3/8 34.93 1.34 1.65
1 1/2 38.10 1.47 1.81 2.06 2.31 2.79 4.00 4.97
1 5/8 41.28 1.59
1 11/16 42.86 3.17 3.88 4.57 4.98
1 3/4 44.45 1.72 2.12 2.72 3.30 4.76
1 29/32 48.42 3.62 4.44 5.24
2 50.80 1.98 2.44 2.80 3.14 3.81 6.96
2 1/8 53.98 2.10
2 1/4 57.15 2.23
2 3/8 60.33 2.36 4.57 6.67 8.45
2 1/2 63.50 2.49
2 3/4 69.85 2.74
3 76.10 5.32
Please refer to Euronorms EN 10216 and EN 13480-3 regarding working pressure calculations.
Cold finished seamless tubes - hydraulic and pneumatic lines
Imperial dimensions and weights
Weightkg/m
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OD (mm)
Wall thickness (mm)
0.71 1 1.5 2 2.125 2.25 2.5 2.75 3 3.5 4 4.5 5 6 7 8 9 10 12.5 14
4 0.07
6 0.12 0.17 0.20 0.20 0.21
8 0.13 0.17 0.24 0.30 0.34 0.36
9 0.35
10 0.16 0.22 0.31 0.39 0.46 0.52 0.56
12 0.27 0.39 0.49 0.59 0.67
14 0.32 0.46 0.59 0.71 0.81 0.91
15 0.35 0.50 0.64 0.77 0.89
16 0.37 0.54 0.69 0.83 0.96
18 0.42 0.61 0.79 0.96 1.11 1.25
20 0.47 0.68 0.89 1.08 1.26 1.42 1.58 1.85
22 0.52 0.76 0.99 1.20 1.41 1.60 1.78
24 1.55
25 0.87 1.13 1.39 1.63 2.07 2.27 2.47 2.81
26 2.17
28 0.98 1.28 1.57 1.85 2.11 2.37 2.61 2.84
30 1.05 1.38 1.70 2.00 2.29 2.56 3.08 3.55
32 1.13
35 1.63 2.00 2.37 3.06 3.70 4.29
38 1.35 1.78 2.19 2.59 3.35 4.07 4.73
42 1.97 2.89 3.75 4.56
50 2.37 3.48 4.54 5.55 6.51
60 3.54 4.22 5,52 6.78 7.99 9.15 10.26 11.32 12.33
65 4.59 6.02 7.40 8.73 10.01 11.24
75 5.33 8.63 19.27
80 3.85 5.70 17.26
88 25.55
90 8.48
100 22.19
Please refer to Euronorms EN 10216 and EN 13480-3 regarding working pressure calculations.
Cold finished seamless tubes - hydraulic and pneumatic lines
Metric dimensions and weights
Weightkg/m
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Special 07 ®, Zista ® and Zistaplex ®
Seamless and welded precision steel tubes with surface treatment
Benteler Zista ®
Steel tube
Zinc + Passivation
Protection against red rust + Protection against white rust
Benteler Zistaplex ®
CrVI-free zinc layer
Organic coating
Steel tube
Protection against red rust Protection against
white rust
Benteler Distribution Limited are the exclusive distributor for
this product in the UK. These tubes are manufactured using
the most modern production methods and are made from
steel with a special analysis which gives the tubes excellent
flanging, flaring, flattening and bending characteristics. This
makes them ideally suitable for fuel lines, heating elements
and various specialised tube conduit systems. The tubes can
be supplied either in straight lengths of up to 12 meters or in
coils of up to 2,000 metres. For full details of coil lengths
please contact our sales department.
Classification of corrosion resistance acc. to DIN/EN
h until red rust (iron corrosion)
h until white rust (zinc corrosion)
Zistayellow
360
120
336
10016 120
Zistaplex ®
ZistaCRF 168
200
DIN 50979 for 12 μm thick-layer passivation / FeZn12CnT0
DIN 50979 for 12 μm thin-layer passivation / FeZn12AnT0
300 400 500 600 1000
720
1080
3000
ZistaCRF 96Zista
CRF 24
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Special 07 ®
For the automotive, refrigeration and household appliance industries
Benteler Zista ®
Surface
structure
Zinc layer: protection against
red rust (iron corrosion)
standard thickness classes: min. 8 μm, 12 μm, 18 μm or 25 μm
(options available beginning with min. 3 μm)
Passivation: protection against
white rust (zinc corrosion)
CrVI-free in three levels (24 h, 96 h, 168 h) and
yellow chromating
(accessability will end 2017 due to Reach regulation)
Properties
and features
Uniform corrosion resistance due to uniform distribution of zinc layer and passivation,
proofed in salt spray test
Inside surface untouched due to the approved coupling and transport system the inner
surface has no contact with process chemicals
High formability due to multilayer system extreme bending properties without
flaking of zinc layer (also for 25 μm)
Benteler Zistaplex ®
Surface
structure
Zinc coating standard: min. 8 μm
(options available beginning with min. 3 μm)
Organic coating standard: <50 μm epoxy black (optional: >50 μm or >100 μm
plus further coating agents and colours)
Properties
and features
Excellent corrosion resistance due to duplex-system (zinc plus organic coating), proofed in
salt spray test (test duration up to 500 h)
High formability excellent properties after forming operations like bending and
end forming
Free configuration of
surface structure
according to customer requirements
Free choice of color there are no limitations in terms of color
Conformity to regulations the CrVI-free organic coating meets all requirements
of the End of Life Vehicle, REACH and EU Directive
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Processing
Pre-finished products up to ready-to-install components
Processing
Turning, drilling, milling, stamping, swaging, enlargement, bending,
punching, reduction
Surface treatment
Shot blasting, capping, pickling, degreasing, brushing, galvanising, PE covering, powder
coating, chromium-plating, nickel-plating, copper-plating, washing, cementing,
forging, grinding, pre-turning, roller polishing, honing, skiving and roller burnishing
Cutting technology
Sawing, tapping, laser cutting, water jet cutting
Tube end finishing
Deburring, chamfering, thread cutting, vibratory grinding
Heat treatment
Quenching and tempering, normalising, nitration, annealing, inductive-annealing,
other annealing methods
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We can take over complete
production stages in order to
make your production more
efficient. We have the exper-
tise, capacity and partners
to provide you with the
entire range of processing
techniques.
Locations in the UK
Scotland
Unit 3, Abbots Court
Middlefield Industrial Estate
Falkirk
FK2 9HQ
North
New Progress Works
Crompton Way
Bolton
Lancashire
BL1 8TY
South
Armstrong Road
Daneshill Industrial Estate
Basingstoke
Hampshire
RG24 8NU
Automotive and Stainless
Unit 4, Delta Point
Greets Green Road
West Bromwich
B70 9PL
Sales contact details
Tel.: 0845 330 6727
Fax: 0845 330 6728
Tel.: 0845 330 6729
Fax: 0845 330 6734
Tel.: 0845 330 6730
Fax: 0845 330 6735
Tel.: 0845 671 8256
Fax: 0845 671 8257
www.benteler-distribution.co.uk