Products

Our main supplied material is stainless steel AISI 316/316L; nevertheless, we can also supply other materials, on request (such as Hastelloy C276, Inconel 625, Monel 400, 6MO, Duplex (F51 & F55, Incoloy, etc.).

Rods Tubing

Come and discover the rods tubing that we can offer

Coil Tubing

Come and discover the coil tubing, seamless and welded, that we can offer

HP Tubes

Come and discover the HP tubes that we can offer

Tubes according to ANSI Standards

Come and discover the tubes according to ANSI BWG Standards that we can offer

Copper Tubes

Come and discover the copper tubes that we can offer

Dekabon Tubes

Come and discover the Dekabon tubes that we can offer

Clamps

Come and discover the clamps that we can offer

PRODUCTION STANDARD

Welded Tubes

ASTM A249, 269, 312, A789, EN 10217-7 and equivalent in ASME, DIN NFA, etc.

Seamless Tubes

ASTM A249, 269, 312, A789, A790, EN 10216-5 and equivalent in ASME, DIN NFA, etc.

STEEL GRADE AND CLASSES

AUSTENOFERRITIC STEEL/DUPLEX AND SUPERDUPLEX

Steel Grade and Chemical composition

Gradi degli acciai austenitici/composizione chimica %
ASTMDIN ENUNSC
≤ %
MN
≤ %
SI
≤ %
P
≤ %
S
≤ %
CR
%
NI
%
MO
%
TI
≤ %
TP 30414.301S304000,082,000,750,0450,03018,00-20,008,00-11,00
TP 304L14.306S304030,302,001,000,0450,01518,00-20,008,00-11,00
TP 304L14.307S304030,352,000,750,0450,03018,00-20,008,00-12,00
TP 31614.401S316000,082,000,750,0450,03016,00-18,0011,00-14,002,00-3,00
TP 316L14.404S316030,302,001,000,0450,01516,50-18,5010,00-13,002,00-2,50
TP 316L1.4432S316030,302,000,750,0400,01516,50-18,0010,50-13,002,50-3,00
TP 316L1.4435S316030,302,001,000,0450,01517,00-19,0012,50-15,002,50-3,00
TP 3161.4436S316000,052,001,000,0450,01516,50-18,5010,50-13,002,50-3,00
TP 317L1.4438S317030,302,001,000,0450,01517,50-19,5013,00-16,003,00-4,00
TP 32114.541S321000,082,001,000,0450,01517,00-19,009,00-12,00
254SMO1.4547S312540,021,000,700,0300,01019,50-20,5017,50-18,506,00-7,00
TP 316TI14.571S316350,082,001,000,0450,01516,50-18,5010,50-13,502,00-2,505 x C
TP 3091.4828S309000,202,001,50-2,500,0450,01519,00-21,0011,00-13,00
TP 309S1.4833S309080,152,001,000,0450,01522,00-24,0012.00-14,00
TP 310S1.4845S310080,102,001,500,0450,01524,00-26,0019,00-22,00
TP 321H14.878S321090,102,001,000,0450,01517,00-19,009,00-12,005 x C
TP 316H14.919S316090,04-0,102,000,750,0400,03016,00-18,0011,00-14,002,00-3,00
TP 304 H14.948S304090,04-0,082,001,000,0350,01517,00-19,008,00-11,00
TP 904L1.4539N089040,022,000,700,0300,01019,00-21,0024,00-26,004,00-5,00
Gradi degli acciai austeno-ferritici
ASTMDIN ENUNSC
≤ %
MN
≤ %
SI
≤ %
P
≤ %
S
≤ %
CR
%
NI
%
MO
%
N
%
Alloy 25071.4410S372500,0302,001,000,0350,01524,00-26,006,00-8,003,00-4,500,24-0,35
Alloy 22051.4462S318030,0302,001,000,0350,01521,00-23,004,50-6,502,50-3,500,10-0,22
Alloy 1001.4501S327600,0301,001,000,0350,01524,00-26,006,00-8,003,00-4,000,20-0,30
Alloy 241.4565S345650,0305,00-7,001,000,0300,01524,00-26,0016,00-19,004,00-5,000,30-0,60
Gradi delle leghe speciali in nichel
ASTMDIN ENUNSC
≤ %
MN
≤ %
SI
≤ %
P
≤ %
S
≤ %
CR
%
NI
%
MO
%
Fe
%
Alloy C2762.4819N102760,0101,000,080,0200,01514,5-16,5Rest15,0-17,04,00-7,00
Alloy 6252.4856N066250,03-0,100,500,500,020,01520,00-23,00? 58,08,00-10,05,00
Alloy 8252.4858N088250,0251,000,500,020,01519,50-23,5038,00-46,002,50-3,50Rest

DIMENSIONAL STANDARD TOLERANCES

ASTM A213 – 269 – A450 – A1016
Seamless and Welded TubesOutside DiameterThickness Minimum WallAverage Wall
<25,40 mm.+0,10 – 0,10 mm.+20% – 0+10% – 10%
25,50 mm. – 38,10 mm.+0,15 – 0,15 mm.+20% – 0+10% – 10%
38,10 mm. – 50,80 mm.+0,20 – 0,20 mm.+22% – 0+11% – 11%
ASTM 269 – A450 – A1016
Seamless and Welded TubesOutside DiameterThickness
Up to 12,70 mm.+0,13 – 0,13 mm.+15% – 15%
12,70 mm. to 38,10 mm.+0,13 – 0,13 mm.+10% – 10%
From 38,10 mm. to 50,80 mm.+0,25 – 0,25 mm.+10% – 10%
ASTM A312 – A530 – A1016
Seamless and Welded TubesOutside DiameterThickness
From 10,26 mm. to 48,26 mm.+0,40 – 0,80 mm.+20% – 12,5%
From 48,26 mm. to 60,30 mm.+0,80 – 0,80 mm.+22% – 12,5%
ASTM A249 – A450 – A1016
Seamless and Welded TubesOutside DiameterThickness Minimum WallAverage Wall
<25,40 mm.+0,10 – 0,10 mm.+20% – 0+10% – 10%
25,50 mm. – 38,10 mm.+0,15 – 0,15 mm.+20% – 0+10% – 10%
38,10 mm. – 50,80 mm.+0,20 – 0,20 mm.+22% – 0+11% – 11%
ASTM A789/790 – S31803 – A1016
Seamless and Welded TubesOutside DiameterThickness
Up to 12,70 mm.+0,13 – 0,13 mm.+15% – 15%
12,70 mm. to 38,10 mm.+0,13 – 0,13 mm.+10% – 10%
From 38,10 mm. to 50,80 mm.+0,25 – 0,25 mm.+10% – 10%
GENERAL ISO TOLERANCES – DIN 2462
Tolerances ClassMaximum tolerance outside diameter
D1+/- 1,50% with min. +/-0,75 mm
D2+/- 1,00% with min. +/-0,50 mm
D3+/- 0,75% with min. +/-0,30 mm
D4+/- 0,50% with min. +/-0,10 mm
Tolerances ClassMaximum tolerance outside diameter
T1+/- 15,00% with min. +/-0,60 mm
T2+/- 12,50% with min. +/-0,40 mm
T3+/- 10,00% with min. +/-0,20 mm
T4+/- 7,50% with min. +/-0,15 mm
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