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The BUHLMANN GROUP has stood for premium products since 1945. However, it is not only our goods which are first class, the scope of our storage capacity is unparalleled.

All steel pipes and fittings are available in standard and non-standard wall thicknesses as well as seamless or welded in all materials:

  • DIN / EN pipes
  • ASTM / ASME / API pipes
  • DIN / EN fittings
  • ASTM / ASME fittings
  • ASTM / ASME high pressure fittings

The stock range of the BUHLMANN GROUP also includes all common and standard flanges in all pressure ratings and sealing surfaces in all materials:

  • DIN / EN FLANGES
  • ASTM / ASME / API flanges

The BUHLMANN GROUP also provides various extras such as special fittings based on drawings or pipes made of round steel. But parts, chamfers, reboring, turning and special work are common extras which are available on request.

Product tables

EN

Pipe

Fitting

Flange

Standard Material short name Material number Test class Comment Standard Material Material number Standard Material Material number
EN 10216-2 / 10217-5 P235GH 1.0345 TC1 EN 10253-2 P235GH 1.0345 EN 1092-1 P250GH 1.0460
EN 10216-2 P235GH 1.0345 TC2 With ultrasonic test EN 10253-2 P265GH 1.0345 EN 1092-1 P250GH 1.0460
EN 10216-2 P265GH 1.0425 TC1 EN 10253-2 P265GH 1.0425 EN 1092-1 P280GH 1.0426
EN 10216-2 P265GH 1.0425 TC2 With ultrasonic test EN 10253-2 P265GH 1.0425 EN 1092-1 P280GH 1.0426
EN 10216-2 16Mo3 1.5415 TC2 With ultrasonic test EN 10253-2 16Mo3 1.5415 EN 1092-1 16Mo3 1.5415
EN 10216-2 13CrMo4-5 1.7335 TC2 With ultrasonic test EN 10253-2 13CrMo4-5 1.7335 EN 1092-1 13CrMo4-5 1.7355
EN 10216-2 10CrMo9-10 1.7380 TC2 With ultrasonic test EN 10253-2 10CrMo9-10 1.7380 EN 1092-1 10CrMo9-10 1.7380
EN 10216-2 15NiCuMoNb5-6-4 1.6368 TC2 WB36
With ultrasonic test
EN 10253-2 15niCuMoNb5-6-4 1.6368 EN 1092-1 15niCuMoNb5-6-4 1.6368
EN 10216-2 X20CrMoV11-1 1.4922 TC2 With ultrasonic test EN 10253-2 X20crMoV11-1 1.4922 EN 1092-1 X20crMoV11-1 1.4922
EN 10216-2 X10CrMoVNb9-1 1.4903 TC2 With ultrasonic test EN 10253-2 X10CrMoVNb9-1 1.4903 EN 1092-1 X10CrMoVNb9-1 1.4903
EN 10216-2 X10CrWMoVNb9-2 1.4901 TC2 With ultrasonic test EN 10253-2 X10CrWoMoVNb9-2 1.4901 EN 1092-1 X10CrWoMoVNb9-2 1.4901
VDTuev 560/2 X12CrCoWMoVNb12-2-2 1.4915 TC2 VM12
EN 10216-4 P215NL 1.0451 TC1 Low temperature EN 10253-2 P215NL 1.0451 EN 1092-1 P355QH1 1.0571
EN 10216-4 P255QL 1.0452 TC1 Low temperature EN 10253-2 P255QL 1.0452 EN 1092-1 P355QH1 1.0571
EN 10216-4 P265NL 1.0453 TC1 Low temperature EN 10253-2 P355QH1 1.0571

Steel line pipes

Fitting

Flange

Standard Material short name Material number Comment Standard Material Material number Standard Material Material number
EN 10208-1 L235GA 1.0458 welded EN 10253-2 P235GH 1.0345 EN 1092-1 / ANSI B16.5 P250GH 1.0460
EN 10208-1 L290GA 1.0483 welded EN 10253-2 L290NB 1.0484 EN 1092-1 / ANSI B16.5 P355NH 1.0565
EN 10208-2 L245NB 1.0457 welded EN 1092-1 / ANSI B16.5 P250GH 1.0460
EN 10208-2 L245MB 1.0418 welded EN 1092-1 / ANSI B16.5 P250GH 1.0460
EN 10208-2 L290NB 1.0484 seamless EN 10253-2 L290NB 1.0484 EN 1092-1 / ANSI B16.5 P355NH 1.0565
EN 10208-2 L360NB 1.0582 seamless / welded EN 10253-2 L2360NB 1.0582 EN 1092-1 / ANSI B16.5 P355NH 1.0565
EN 10208-2 L360MB 1.0578 welded EN 1092-1 / ANSI B16.5 P355NH 1.0565
EN 10208-2 L360QB 1.8948 seamless EN 10253-2 L360QB 1.8948 EN 1092-1 / ANSI B16.5 P355NH 1.0565
EN 10208-2 L415NB 1.8972 seamless / welded EN 10253-2 L415NB 1.8932 EN 1092-1 / ANSI B16.5 P420NH 1.8932
EN 10208-2 L415MB 1.8973 welded EN 10253-2 L415QB 1.8947 EN 1092-1 / ANSI B16.5 P420NH 1.8932
EN 10208-2 L415QB 1.8947 seamless EN 10253-2 L415QB 1.8947 EN 1092-1 / ANSI B16.5 P420NH 1.8932
EN 10208-2 L450MB 1.8975 welded EN 10253-2 L450QB 1.8952
EN 10208-2 L450QB 1.8952 seamless EN 10253-2 L450QB 1.8952
EN 10208-2 L485MB 1.8977 welded EN 10253-2 L485QB 1.8955
EN 10208-2 L485QB 1.8955 seamless EN 10253-2 L485QB 1.8955
EN 10216-3 P275NL1 1.0488 seamless
EN 10216-3 P275NL2 1.1104 seamless
EN 10216-3 P355NH 1.0565 seamless EN 10253-2 P355NH 1.0565 EN 1092-1 / ANSI B16.5 P355NH 1.0565
EN 10216-3 P355NL1 1.0566 seamless EN 10253-2 P355NL1 1.0566 EN 1092-1 / ANSI B16.5 P355NL1 1.0566
EN 10216-3 P355NL2 1.1106 seamless
EN 10216-3 P460NH 1.8935 seamless EN 10253-2 P460NH 1.8935
EN 10216-3 P460NL1 1.8915 seamless EN 10253-2 P460NL1 1.8915
EN 10216-3 P460NL2 1.8918 seamless EN 10253-2 P460NL2 1.8918

Pipes are available in single and double lengths.

Pipes, fittings and flanges are available in all standard and special – e.g. extremely thick-walled – dimensions.

ASTM / ASME

Pipe

Fitting

Flange

Standard Material Comment Standard Material Standard Material
A/SA106 Grade B A/SA234 WPB A/SA105 A105N
A/SA106 Grade C A/SA234 WPC A/SA105 A105N
A/SA335 / 209 P1 / T1 A/SA234 WP1 A/SA182 F1
A/SA335 / 213 P5 / T5 A/SA234 WP5 A/SA182 F5
A/SA335 / 213 P9 / T9 A/SA234 WP9 A/SA182 F9
A/SA335 / 213 P11 / T11 A/SA234 WP11 A/SA182 F11
A/SA335 / 213 P12 / T12 A/SA234 WP12 A/SA182 F12
A/SA335 / 213 P22 / T22 A/SA234 WP22 A/SA182 F22
A/SA335 / 213 P91 / T91 A/SA234 WP91 A/SA182 F91
A/SA335 / 213 P92 / T92 A/SA234 WP92 A/SA182 F92
A/SA333 Grade 3 Low temperature A/SA420 WPL3 A/SA350 LF3
A/SA333 Grade 6 Low temperature A/SA420 WPL6 A/SA350 LF2

Pipes are available in single and double lengths.

Pipes, fittings and flanges are available in all standard and special – e.g. extremely thick-walled – dimensions.

API

Pipe

Fitting

Flansch

Standard Material Test class Comment Standard Material Standard Material
API 5L Grade B PSL1 welded A234 / ANSI B16.9 WPB A105 / ANSI B16.5 A105N
API 5L X52 PSL2 welded A860 / ANSI B16.9 WPHY52 A694 / ANSI B16.5 F52
API 5L X60 PSL2 welded A860 / ANSI B16.9 WPHY60 A694 / ANSI B16.5 F60
API 5L X65 PSL2 welded A860 / ANSI B16.9 WPHY65 A694 / ANSI B16.5 F65
API 5L X70 PSL2 welded A860 / ANSI B16.9 WPHY70 A694 / ANSI B16.5 F70
API 5L Grade B PSL1 seamless A234 / ANSI B16.9 WPB A105 / ANSI B16.5 A105N
API 5L X42N PSL1 seamless A860 / ANSI B16.9 WPHY42 A694 / ANSI B16.5 F42
API 5L X52N PSL1 seamless A860 / ANSI B16.9 WPHY52 A694 / ANSI B16.5 F52
API 5L X52N PSL2 seamless A860 / ANSI B16.9 WPHY52 A694 / ANSI B16.5 F52
API 5L X60Q PSL2 seamless A860 / ANSI B16.9 WPHY60 A694 / ANSI B16.5 F60Q
API 5L X65Q PSL2 seamless A860 / ANSI B16.9 WPHY65 A694 / ANSI B16.5 F65Q
API 5L X70Q PSL2 seamless A860 / ANSI B16.9 WPHY70 A694 / ANSI B16.5 F70Q

Pipes are available in single and double lengths.

Pipes, fittings and flanges are available in all standard and special – e.g. extremely thick-walled – dimensions.

Stainless steel

Pipe

Fitting

Flange

Standard Material Material number Test class Comment Standard Material Material number Standard Material Material number
EN 10216-5 X5CrNi18-10 1.4301 TC2 / TC1 EN 10253-4 X5CrNi18-10 1.4301 EN 1092-1 X5CrNi18-10 1.4301
EN 10216-5 X2CrNi19-10 1.4306 TC2 / TC1 seamless EN 10253-4 X2CrNi19-10 1.4306 EN 1092-1 X2CrNi19-10 1.4306
EN 10216-5 X5CrNiMo17-12-2 1.4401 TC2 / TC1 EN 10253-4 X5CrNiMo17-12-2 1.4401 EN 1092-1 X5CrNiMo17-12-2 1.4401
EN 10216-5 X2CrNiMo17-12-2 1.4404 TC2 / TC1 EN 10253-4 X2CrNiMo17-12-2 1.4404 EN 1092-1 X2CrNiMo17-12-2 1.4404
EN 10216-5 X2CrNiMoN22-5-3 1.4462 TC2 Duplex EN 10253-4 X2CrNiMoN22-5-3 1.4462 EN 1092-1 X2CrNiMoN22-5-3 1.4462
EN 10216-5 X1NiCrMoCu25-20-5 1.4539 TC2 Superaustenit EN 10253-4 X1NiCrMoCu25-20-5 1.4539 EN 1092-1 X1NiCrMoCu25-20-5 1.4539
EN 10216-5 X6CrNiTi18-10 1.4541 TC2 EN 10253-4 X6CrNiTi18-10 1.4541 EN 1092-1 X6CrNiTi18-10 1.4541
EN 10216-5 X6CrNiMoTi17-12-2 1.4571 TC2 EN 10253-4 X6CrNiMoTi17-12-2 1.4571 EN 1092-1 X6CrNiMoTi17-12-2 1.4571
EN 10216-5 X6CrNiNb18-10 1.4550 TC1 seamless EN 10253-4 X6CrNiNb18-10 1.4550 EN1092-1 X6CrNiNb18-10 1.4550
EN 10217-7 X5CrNi18-10 1.4301 TC1 EN 10253-4 X5CrNi18-10 1.4301 EN 1092-1 X5CrNi18-10 1.4301
EN 10217-7 X2CrNi18-9 1.4307 TC1 EN 10253-4 X2CrNi18-9 1.4307 EN 1092-1 X2CrNi18-9 1.4307
EN 10217-7 X5CrNiMo17-12-2 1.4401 TC2 / TC1 EN 10253-4 X5CrNiMo17-12-2 1.4401 EN 1092-1 X5CrNiMo17-12-2 1.4401
EN 10217-7 X2CrNiMo17-12-2 1.4404 TC2 / TC1 EN 10253-4 X2CrNiMo17-12-2 1.4404 EN 1092-1 X2CrNiMo17-12-2 1.4404
EN 10217-7 X2CrNiMoN22-5-3 1.4462 TC1 Duplex EN 10253-4 X2CrNiMoN22-5-3 1.4462 EN 1092-1 X2CrNiMoN22-5-3 1.4462
EN 10217-7 X1NiCrMoCu25-20-5 1.4539 TC1 Superaustenit EN 10253-4 X1NiCrMoCu25-20-5 1.4539 EN 1092-1 X1NiCrMoCu25-20-5 1.4539
EN 10217-7 X6CrNiTi18-10 1.4541 TC2 EN 10253-4 X6CrNiTi18-10 1.4541 EN 1092-1 X6CrNiTi18-10 1.4541
EN 10217-7 X6CrNiMoTi17-12-2 1.4571 TC2 EN 10253-4 X6CrNiMoTi17-12-2 1.4571 EN 1092-1 X6CrNiMoTi17-12-2 1.4571
A312 TP 304/L seamless / welded A403 / ANSI B16.9 WP 304/L A182 / ANSI B16.5 F 304/L
A312 TP 304/H seamless A403 / ANSI B16.9 WP 304H A182 / ANSI B16.5 F 304/H
A312 TP 316/L seamless / welded A403 / ANSI B16.9 WP 316/L A182 / ANSI B16.5 F 316/L
A312 TP 321/H seamless A403 / ANSI B16.9 WP 321/H A182 / ANSI B16.5 F 321/H
A312 TP 316Ti seamless A815 / ANSI B16.9 F 316Ti A182 / ANSI B16.5 F 316Ti
A790 S31803 Duplex / seamless A403 / ANSI B16.9 S31803 A182 / ANSI B16.5 F 51
A312 TP 347/H High temperature / seamless A403 / ANSI B16.9 WP 347/H A182 / ANSI B16.5 F 347/H
A312 N08904 Superaustenit / seamless A403 / ANSI B16.9 WP 904L A182 / ANSI B16.5 F 904L

Pipes are available in single and double lengths.

Pipes, fittings and flanges are available in all standard and special – e.g. extremely thick-walled – dimensions.

Special Materials

The BUHLMANN GROUP, as an expert in the sector of Special Materials, supplies pipes, tubes, fittings and flanges made of duplex, nickel alloys, titanium and other special grades. These kind of materials are applied in the chemical process industry, in power engineering, the oil and gas industry and for the production of phosphate fertilizer and industrial furnaces as well.

Material

Material grade

Material number

Alloy 200 N02200 2.4066
Alloy 201 N02201 2.4068
Alloy 400 N04400 2.4360
Alloy 600 N06600 2.4851
Alloy 625 N06625 2.4856
Alloy 718 N07718 2.4668
Alloy 800H N08810 1.4876
Alloy 800 HT N08811 1.4876
Alloy 825 N08825 2.4858
Alloy 926 N08926 1.4529
Alloy 20 N08020 2.4660
Alloy 31 N08031 1.4562
Alloy 59 N06059 2.4605
Zirconium 702 R60702
Alloy B-2 N10665 2.4617
Allloy B-3 N10675 2.4600
Alloy C-4 N06455 2.4610
Alloy C-276 N10276 2.4819
Alloy C-22 N06200 2.4602
Alloy C-2000 N06200 2.4675
Titan Grad 2 R50400 3.7035
Titan Grad 5 R56400 3.7165
Titan Grad 7 R52400 3.7235
Duplex S31803 1.4462
Superduplex S32750 1.4410

And all other special grades.

Mechanical Tubes

In addition to its traditional portfolio, the BUHLMANN GROUP offers a wide selection of tubes for the mechanical engineering and construction sectors. Customers are machine and plant manufacturers or manufacturers of construction and agricultural machinery, but they can also be found in the areas of tool manufacturing and apparatus engineering. We also offer solutions for customers in the construction industry, in particular for bridges, cranes, anchorages and buildings.

For this purpose we offer quality solutions for seamless and welded hollow sections (round and square), precision steel tubes, hydraulic tubes, mother pipes for cylinder construction and thick wall tubes, for example as a substitute for round steel, in the materials listed below.

Tubes for mechanical applications

E235 E275 E355
E420 E470 E590 (QT)
16MnCr5 20MnV6(QT)

Tubes for mechanical applications (quenched and tempered steel)

25CrMo4 42CrMo4 C45
C60

Pipes for steel construction

S275J0H S355J2H S420MH
S460NH S690QL S890QL
S960QL