WATER AND GAS PIPES

STEEL

Low yeld point carbon steel.

LENGTHS

From 4 to 8,5 m.

SURFACE FINISHING

Rough; inner/external painting.
Normal or heavy bituminous external lining protection (DIN 30673,BS 534), hot-dip galvanizing. (EN 10240)

PIPE ENDS

Plain, coupled gas thread ISO 7/1, BS 21,ANSI/ASME B 1.20.1 for ASTM A 53/95 pipes.

SERVICES

Zinchitalia supplies pipes according to Standards EN 10240 and ASTM A53.
Our working range includes round pipes from 3/8” (17,2 mm) to 6” (168,3 mm) and construction pipes from 20 x 20 up to 120 x 120 in lengths up to 8,50 mt.

The hot–dip galvanizing process is automatically operated by a new plant of 10 ton/h capacity that consists in the following operations:
• Acid base degreasing
• Pickling
• Fluxing
• Washing

_____________________

• Pre-heating
• Immersion in hot zinc bath
• Extraction
• Blowing
• Cooling
• Straightening
• Marking
• Packaging

Each product is tested and approved according to EN 10240 (squashing test, curving and zinc mass calculation).

CHEMICAL COMPOSITION
Steel grade C % max Mn % max Si % max P % max S % max N %max Cu % max
S235JR 0,17 1,40 – 0,035 0,035 0,012 0,55
S235J0 0,17 1,40 – 0,030 0,030 0,012 0,55
S235J2 0,17 1,40 – 0,025 0,025 – 0,55
S275JR 0,21 1,50 – 0,035 0,035 0,012 0,55
S275J0 0,18 1,50 – 0,030 0,030 0,012 0,55
S275J2 0,18 1,50 – 0,025 0,025 – 0,55
S355JR 0,24 1,60 0,55 0,035 0,035 0,012 0,55
S335J0 0,20 1,60 0,55 0,030 0,030 0,012 0,55
S335J2 0,20 1,60 0,55 0,025 0,025 – 0,55
 

MECHANICAL CHARACTERISTICS
Steel grade ReH
N/mm2
 Rm N/mm2
Nominal thickness mm		 Elongation %
Nominal thickness
<3 >=3
<=100		 >1,5
<=2		 <2
<=2,5		 <2,5
<3		 <=3
<=40
S235JR 235 360-510 360-510
S235J0 235 360-510 360-510 19 20 21 26
S235J2 235 360-510 360-510
S275JR 275 430-580 410-560
S275J0 275 430-580 410-560 17 18 19 23
S275J2 275 430-580 410-560
S355JR 355 510-680 470-630
S335J0 355 510-680 470-630 16 17 18 22
S335J2 355 510-680 470-630
 

STANDARD NORMATIVE
EN 39 EN 10208-1 EN 10208-2 EN 10217-1 EN 10217-2 EN 10217-3 EN 10219-1
EN 10219-2 EN 10224 EN 10255 EN 10296-1 EN 10305-3 EN ISO 3183
 

WATER/GAS PIPES ACC. TO EN 10255
Dim. LIGHT SERIES L1 MEDIUM SERIES M HARD SERIES H
Outside Diam. Thickness Outside Diam. Thickness Outside Diam. Thickness
Inch DN mm mm mm mm mm mm
3/8 10 17,2 2,0 17,2 2,3 17,2 2,9
1/2 15 21,3 2,3 21,3 2,6 21,3 3,2
3/4 20 26,9 2,3 26,9 2,6 26,9 3,2
1 25 33,7 2,9 33,7 3,2 33,7 4
1 1/4 32 42,4 2,9 42,4 3,2 42,4 4
1 1/2 40 48,3 2,9 48,3 3,2 48,3 4
2 50 60,3 3,2 60,3 3,6 60,3 4,5
2 1/2 65 76,1 3,2 76,1 3,6 76,1 4,5
3 60 88,9 3,6 88,9 4,0 88,9 5,0
4 100 114,3 4,0 114,3 4,5 114,3 5,4
5 125 139,7 – 139,7 5,0 139,7 5,4
6 150 165,1 – 165,1 5,0 165,1 5,4
Dim. Plain Ends With Threade
and socketed		 Plain Ends With Threade
and socketed		 Plain Ends With Threade
and socketed
Black Black Galvanized Black Black Galvanized Black Black Galvanized
Inch DN kg/mt kg/mt kg/mt kg/mt kg/mt kg/mt kg/mt kg/mt kg/mt
3/8 10 0,74 0,75 0,787 0,85 0,85 0,883 1,02 1,03 1,066
1/2 15 1,08 1,09 1,138 1,21 1,22 1,267 1,44 1,45 1,496
3/4 20 1,39 1,40 1,462 1,56 1,57 1,631 1,87 1,88 1,940
1 25 2,20 2,22 2,298 2,41 2,43 2,507 2,93 2,95 3,025
1 1/4 32 2,82 2,82 2,950 3,10 3,13 3,229 3,79 3,82 3,917
1 1/2 40 3,24 3,24 3,390 3,56 3,60 3,715 4,37 4,41 4,552
2 50 4,49 4,49 4,706 5,03 5,10 5,244 6,19 6,26 6,402
2 1/2 65 5,73 5,73 6,037 6,42 6,54 6,726 7,93 8,05 8,233
3 60 7,55 7,55 7,939 8,36 8,53 8,748 10,30 10,50 10,715
4 100 10,80 10,80 11,385 12,20 12,50 12,783 14,50 14,80 15,079
5 125 – – – 16,60 17,15 17,640 17,90 18,30 19,800
6 150 – – – 19,80 20,50 21,120 21,30 21,80 23,600
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