PIPES & TUBES

STAINLESS STEEL PIPES/TUBES

Seamless/Welded acc. to ASTM A312,A269,A213,A249

Sizes 1/8" to 80"
Steel grades: TP304/304L/304H,TP316/316L/316H,TP321/321H,TP317L,TP347/347H,TP904L
Schedules: STD, XS, XXS, SCH5, SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140, SCH160
Standards: ASTM A312,A269,A213,A249
Lengths: SRL and DRL 5meters up to 18meters available from Stock and Production.

SEAMLESS CARBON STEEL PIPES FOR HIGH TEMPERATURE SERVICE:

Sizes 1/8" to 28"
Steel grades: ASTM A106 GrB/GrC
Schedules: STD, XS, XXS, SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140, SCH160
Standards: ASTM/ASME
Lengths: SRL and DRL 5meters up to 12meters available from Stock and Production.

SEAMLESS TUBES FOR PRESSURE PURPOSES AT ROOM TEMPERATURE

Seamless steel tubes acc. to DIN EN 10216-1 and DIN 1630

DIN EN 10216-1: Seamless steel tubes for pressure purposes. Tubes made from non-alloy steels with specified properties at room temperature
Steel grades: e.g. P235TR2, P265TR2
DIN 2448/1630 (replaced): Seamless circular tubes of non-alloy steels with very high quality requirements
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. St 37.4, St 44.4, St 52.4 (now only available as fine-grain steel acc. to DIN EN 10216-3)
Fields of application: Apparatus engineering, vessel construction, linepipe, general mechanical engineering and tool-building

SEAMLESS TUBES FOR PRESSURE PURPOSES AT ELEVATED TEMPERATURES

Seamless steel tubes acc. to DIN EN 10216-2 and DIN 17175

DIN EN 10216-2: Seamless steel tubes for pressure purposes. Tubes made from non-alloy and alloy steels with specified elevated temperature properties
Steel grades: P235GH TC1, P265GH TC1
TC1 = Test category 1 (without ultrasonic testing)
2448/17175 (replaced): Seamless steel tubes for elevated temperatures
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g: St 35.8/I, St 45.8/I [Grade I = (without ultrasonic testing)
Fields of application: Boiler construction, linepine, pressure vessels and apparatus engineering

SEAMLESS STEEL PIPE ACCORDING TO

API - SPECIFICATION 5L UND API - SPECIFICATION 5CT / ISO 11960

API-Specification 5L: Specification for Line Pipe
Steel grades: e.g. Grade B, X42, X46, X52, X56, X60, X65, X70 (in product categories PSL1 and PSL2)
API-Specification 5CT/ISO 11960: Specification for Casing and Tubing
Steel grades: e.g. Grade J55, K55, L80 Type1, N80 Type1, P110 (in product categories PSL1)
Fields of application: High-pressure long-distance gas pipelines, long-distance oil pipelines, (sourgas applications)

SEAMLESS TUBES FOR PRESSURE PURPOSES AT ELEVATED TEMPERATURES

Seamless steel tubes acc. to DIN EN 10216-2 and DIN 17175

DIN EN 10216-2: Seamless steel tubes for pressure purposes. Tubes made from non-alloy and alloy steels with specified elevated temperature properties
Steel grades: e.g. P235GH TC2, P265GH TC2 TC2 = Test category 2 (with ultrasonic testing) 16Mo3, 13CrMo4-5, 10CrMo9-10, X11CrMo5+I, X11CrMo5+NT1, X10CrMoVNb9-1
DIN 2448/17175 (replaced): Seamless steel tubes for elevated temperatures
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. St 35.8/III, St 45.8/III TC2 = Test category 2 (with ultrasonic testing) 15 Mo 3, 13 CrMo 4 4, 10 CrMo 9 10
Fields of application: Apparatus engineering, vessel construction, linepipe, general mechanical engineering and tool-building

SEAMLESS STEEL TUBES ACCORDING TO ASTM AND ASME STANDARDS

ASTM A 335 and ASME SA 335

ASTM A 335 and ASME SA-335: Seamless ferritic alloy steel tubes for high temperatures
Steel grades: Grade P5, P9, P11, P12, P22, P91
Fields of application: Boiler construction, linepipe, pressure vessel and apparatus construction

STEEL TUBES FOR MACHINING AND FOR MECHANICAL ENGINEERING

Seamless steel tubes acc. to DIN EN 10297-1 and DIN 1629

DIN EN 10297-1: Seamless circular steel tubes for mechanical and general engineering purposes
Steel grades: e.g. E235, E355
DIN 2448/1629 (replaced): Seamless circular steel tubes made from non-alloy steel for special applications
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. St 37.4, St 52
Fields of application: Apparatus engineering, vessel construction, linepipe, general mechanical engineering and tool-building

TUBES FOR STRUCTURAL STEEL CONSTRUCTIONS OF PLAIN STRUCTURAL STEELS

Seamless steel tubes acc. to DIN EN 10210 and DIN 17121

DIN EN 10210-1: Hot-finished structural hollow sections of non-alloy and fine-grain steels
Steel grades: e.g. S235JRH, S275J0H,S355J2H,
DIN EN 10210-2: Hot-rolled structural hollow sections of non-alloy and fine-grain steels. Tolerances, dimensions and sectional properties
DIN 2448/17121 (replaced): Seamless structural steel circular tubes for structural engineering purposes
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. RSt 37-2, St 44-2, St 52-3
Fields of application: Structural engineering, bridge and crane construction

HOLLOW STEEL BARS FOR MACHINING AND FOR MECHANICAL ENGINEERING

Seamless steel tubes acc. to DIN EN 10294-1, ISO 2938, and ESW-MR-04.03

DIN EN 10294-1: Hollow steel bars for machining Non-alloy and alloy steels
Steel grades: e.g. E470
ISO 2938: Hollow steel bars for machining
Steel grades: e.g. Grade 1,2
Steel grades: e.g. 20 MnV 6, E355, C35R+N
Field of application: Mechanical engineering
Our hollow bar products demonstrate the following special properties:
  • Dimensions finely adapted to finished sizes
  • Steel grade adapted to user application
  • Improved machining properties
  • Tight OD tolerances
  • Tight wall thickness tolerances
  • Marginal excentricity

HEAT-TREATABLE STEELS

Seamless steel tubes acc. to DIN EN 10083-3 and DIN 17204

DIN EN 10083-3: Heat-treatable steels (Quenched & tempered steels)
Steel grades: e.g. 25CrMo4, 34CrMo4, 42CrMo4
DIN 2448/17204: Seamless circular tubes made from heat-treatable steels
(DIN 2448 [replaced]): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. 25 CrMo 4, 34 CrMo 4, 42 CrMo 4
Fields of application: General mechanical engineering and tool-building, vehicle construction, pressure vessel and pipeline construction

TUBES FOR STRUCTURAL STEEL CONSTRUCTIONS MADE FROM FINE-GRAIN STEELS

Seamless steel tubes acc. to DIN EN 10210 and DIN 17124

DIN EN 10210-1: Hot-finished structural hollow sections of non-alloy and fine-grain structural steels
Steel grades: e.g. S275NH, S355NH, S355NLH, S460NH, S460NLH
DIN EN 10210-2: Hot-finished structural hollow sections of non-alloy and fine-grain structural steels - Tolerances, dimensions and sectional properties
DIN 2448/17124 (replaced): Seamless circular tubes of fine-grain steels for engineering purposes
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. StE 285, StE 355, TStE 355, StE 460, TStE 460
Fields of application: Steel construction ( e.g. structural and civil engineering ), bridge and crane construction

PIPELINES FOR GAS AND COMBUSTIBLE FLUIDS

Seamless steel tubes acc. to DIN EN 10208-2 and DIN 17172

DIN EN 10216-2: Steel pipes for pipelines for combustible fluids Tubes from requirement class B
Steel grades: e.g. L290NB, L360NB, L415NB, L415QB
DIN 2448/17171 (replaced): Steel pipes for pipelines for the transport of combustible fluids and gases
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. StE 290.7, StE 360.7, StE 415.7
Fields of application: Long-distance pipelines (e.g. oil and oil products) for compressed and liquid gases

SEAMLESS TUBES FOR PRESSURE PURPOSES AT ROOM TEMPERATURE

Seamless steel tubes acc. to DIN EN 10216-3 and DIN 17179

DIN EN 10216-3: Seamless steel tubes for pressure purposes of alloy fine- grain steels with specified properties at room temperature
Steel grades: e.g. P355N, P355NH, P355NL1, P355NL2
DIN 2448/17179 (replaced): Seamless circular tubes of fine-grain steels for special requirements
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Steel grades: e.g. StE 355, WStE 355, TStE 355, EStE 355
Fields of application: Pressure vessel construction, apparatus engineering, pipelines, mechanical engineering and tool-building.

SEAMLESS TUBES FOR PRESSURE PURPOSES AT LOW TEMPERATURES

Seamless steel tubes acc. to DIN EN 10216-4 and DIN 17173

DIN EN 10216-4: Seamless steel tubes for pressure purposes of non-alloy and alloy steels with specified low-temperature properties.
DIN 2448/17173 (replaced): Seamless circular tubes of cold-resistant steels
DIN 2448 (replaced): Plain end seamless steel tubes: Dimensions and conventional masses per unit length
Fields of application: Apparatus engineering, vessel construction, pipelines, mechanical engineering and tool-building.

OCTG - Drill Pipe

Drill Pipe for application in the oil and gas exploration and production industry are available in all sizes and upset ends according to API 5D. Other sizes and upsets are supplied on request.

Together with our partners we can supply the drill pipe with friction welded Tool Joints, ready for use.

Drill Pipe Size Range 2 3/8" - 6 5/8"

Upset Types
External Upset EU
Internal External Upset IU
Internal Upset IEU
Friction welded Tool Joints
Numbered Connections NC
Internal Flush IF
Full Hole FH

For special requirements, technical modification to the standard requirements are available. Usual options are: Hard Facing of Tool Joins; to increase life of Tool Joints. Internal Coating; avoids corrosion and improves hydraulic efficiency thus reducing internal wear.

Internal Upset IU

Internal Upset IU

External Upset EU

External Upset EU

Internal-External Upset IEU

Internal-External Upset IEU

OCTG - Tubing And Casing (API Tubing)

The standard API threaded and coupled connections for oil production.

The connections available are:

Non upset tubing
1.050" - 3 1/2" round thread 10 tpi.
4 - 4 1/2" round thread 8 tpi.
External upset tubing
1.050" - 1.900" round thread 10 tpi.
2 3/8" - 4 1/2" round thread 8 tpi.

For special requirements, technical modification to the standard requirements are available. Usual options are: Resilient seal (SR 13) with an extra teflon ring seal. Special clearance; for extra clearance applications Special bevel; with 20° bevel.

TBG - Tubing Non Upset Coupling Connection to API Spec. 5CT & 5B UPTBG - Tubing External Upset Coupling Connection to API Spec. 5CT & 5
TBG - Tubing Non Upset Coupling Connection to API Spec. 5CT & 5B UPTBG - Tubing External Upset Coupling Connection to API Spec. 5CT & 5B

OCTG - Tubing And Casing (API Casing)

The API Casing are the standard API threaded and coupled connections for oil production.

The connections available are:

Round short or long thread casing
4 1/2" - 20" round thread 8 tpi.
Buttress thread casing
4 1/2" - 20" buttress thread 5 tpi.
Extreme line casing
5" - 7 5/8" buttress type thread 6 tpi.
8 5/8" - 10 3/4" buttress type thread 5 tpi.

For special requirements, technical modification to the standard requirements are available. Usual options are: Resilient seal (SR 13) with an extra teflon ring seal. Special clearance; for extra clearance applications Special bevel; with 20° bevel.

CSG/LCSG - Casing Short/Long Thread Coupling Connection to API Spec. 5CT & 5B BCSG - Casing Buttress Thread Coupling Connection to API Spec. 5CT & 5B
CSG/LCSG - Casing Short/Long Thread Coupling Connection to API Spec. 5CT & 5B BCSG - Casing Buttress Thread Coupling Connection to API Spec. 5CT & 5B