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

Rods Tubing

Come and discover the rods tubing that we can offer

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coil tubing

Coil Tubing

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

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HP Tubes

HP Tubes

Come and discover the HP tubes that we can offer

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Tubes according to ANSI BWG Standards

Tubes according to ANSI Standards

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

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Copper Tubes

Copper Tubes

Come and discover the copper tubes that we can offer

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Dekabon Tubes

Dekabon Tubes

Come and discover the Dekabon tubes that we can offer

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Clamps

Clamps

Come and discover the clamps that we can offer

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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
Download the Technical Sheet (PDF)
STEEL GRADE AND CHEMICAL COMPOSITION
Download the Technical Sheet (PDF)
STEEL GRADE COMPARISON

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
Download the Technical Sheet (PDF)
DIMENSIONAL STANDARD TOLERANCES
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