Normalized and special (atypical) screws, nuts, bolted joints, threaded rods (also according to the drawing documentation) made of diff. kind of steel, stainless steel and other metals belong to our most important assortment.
Material delivered from our company will warrant a high quality with proven certificates DIN ISO 9002/EN29002/ dle KTA 1401,QSP 4a-AVS D 100/50,
AD-WO-TRD100,97/23/EG.
It is possible to deliver all material with attests EN 10204-3.1, EN 10204-3.2.
The summary of the basic assortment:
Threaded parts according to DIN, ANSI, ASME and other standards with rolled or sawn threads.
It is possible do deliver the parts with additional test for example notch toughness, tension test, supersound, hardness test /BRINELL, VICKERS, ROCKWELL and so on.
Connection materials for flanges (see the selection below):
Bolt screws for the flanged joints of pipelines (smooth, elastic)
Material: 12050.6,12056.6,15131.7,15320.5,16720.9,17248.4 according to an agreement
Standards
ČSN
DIN
ASME, ANSI
131520.1-7
2510
B16.5
High hexagonal nuts for the flanged joints of pipelines
Materiál:12040.2,12040.6,15236.3,15236.6,16720.9,17248.4 other according to the agreement
Standards
ČSN
DIN
ASME, ANSI
131530.1-6
2510
B18.2.2
The exact screws with the hexagonal head and fastener
Standards
ČSN
DIN
FIRMNESS
021101.50, .55, .70
931
8.8,10.9,12.9 a další
The exact screws with the hexagonal head and thread to head
Standards
ČSN
DIN
FIRMNESS
021103.50, .55, .70
933
8.8,10.9,12.9 a další
The exact hexagonal nuts
Standards
ČSN
DIN
FIRMNESS
021401.30, .35, .37, .50, .55, .70, .90
934
8.8,10.9,12.9 a další
The exact hexagonal low nuts
Standards
ČSN
DIN
FIRMNESS
021403.00, .05, .20
936
8.8,10.9,12.9 a další
The exact hexagonal low small nuts
Standards
ČSN
DIN
FIRMNESS
021403.25, .20
439
8.8,10.9,12.9 a další
Seamless and welded tubes:
Steel tubes normal threaded
Standards
ČSN
DIN
Inches
Wall thickness t
425710
2440
3/8"-6"
2,35-4,85
Steel tubes threaded thickened
Standards
ČSN
DIN
Inches
Wall thickness t
425711
2441
3/8"-6"
2,90-5,40
Steel seamless tubes
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
425715
2448
20,0-508,0
2,6-36,0
Welded longitudinal bare tubes
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
425723
2458
14,0-152,0
1,0-4,0
Steel welded tubes with the screw weld
Standards
ČSN
Outer diameter D
Wall thickness t
425738
324,0-1420,0
5,0-12,0
Steel seamless tubes grade 17 - heat wroughted
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
425750
2462
44,5-377,0
3,6-36,0
Steel seamless precised tubes
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
426711
2391 se zvýšenou přesností
4,0-200,0
0,5-10,0
Steel welded tubes precised
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
426713
2394
12,0-102,0
1,0-3,0
Steel welded precised tubes - with higher accuracy
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
426714
2393
5,0-100,0
0,5-3,0
Steel tubes precised out of grade 17 - cold wraughted
Standards
ČSN
DIN
Outer diameter D
Wall thickness t
426750
2462
6,0-159,0
1,0-12,5
We delivered the tubes in following materials 11353, 11523, 12021, 12022, 13CrMo4-4 15Mo3, 10CrMo9-10, 17240, 17248, 17348 and according to an agreement
The attests are part of the delivery according to EN 10204-3.1, EN 10204-3.2
The tubes are delivered in production or precised lengths, in some cases according to the customers.
Steel seamless tubes for the crude oil output, natural gas and water:
Casing tubes are seamless hot rolled steel tubes according to API 5 B with a special dextrorotatory threads at the both ends of the tube . They are used for the well casing of bores during the oil, natural gas and water output. Tubes are put together by sockets
The production, deliveries and dimensions are set by technical descriptions according to API standards spec. 5T.
We delivered the casing tubes and sockets from materials according to quality grades of API H-40, J55, K-55 and N-80.
Standards
Outer diameter
of the tube D
Outer diameter
of the socket
Length of the tubes
From 244,5 - 339,7mm
From 269,9 - 365,1mm
From 4,88 - 14,63m
LINE PIPES
Hot rolled seamless steel tubes are delivered with the upright cut off ends or with calibrated ends and draft ends
Tubes are delivered according to API Spec. 5L
Standards
Outer diameter of the tubes D
Length of the tubes
Od 168,3-406,4mm
Od 2,74-13,72m
Qualities of materials: :
We deliver our products from a wide range of materials. Please see their selection below:
G - cast steel
P - steel for pressure tanks
N - normalized
Q - heat treated
S - simple pressure tanks
H - high temperatures
L - low temperatures
X - high and low temperatures
