Boiler Pipe and Tube

Pipe and Tube Services

Emerald Metals is the exclusive representative of Barthel Kesselrohre® in Germany.

BARTHEL was founded in 1915 and has been dealing with pipes from the beginning. Traditionally we are following the demands of our customers and of the market. We are a specialized stockiest for steel pipes with the particular requirements of the energy sector. At both our warehouses in Duesseldorf and Neuss, we keep a wide tange of carbon and alloy steel pipes according to DIN, EN and ASTM to ensure the supply for our clients, even in difficult times. We have a high demand for quality and practical logistics. Our own fleet of trucks, experience and highly motivated team is the basis to supply the material purchased according to the specification requested, and deliver to the right place on time.

Quality Management

Quality management is essential today to meet the high requirements of the steel market and the different national and international standards, e.g. AD-W, TRD, PED, ASME etc. BARTHEl is certified according to ISP 9001 by TUV-Rheinland. Our quality control, the EDP-based Test Certificate Department and the close co-operation with the testing companies TPW Werkstoffpruefung GmbH and ROWO Werkstoffpruefung GmbH, guarantee the necessary quality standard. We have often been asked in the past what has changed since the introduction of the EN 10216-2 in comparison to DIN 17175. Could DIN/EN material be used as an equivalent for grades according to ASTM and vice versa? Please contact us for details and any questions you have.

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DIN 17175 EN 10216-2
St 35.8, grades I + III P235 GH, test class 1+2
15 Mo 3 16 Mo 3
13 CrMo 44 13 CrMo 4-5
10 CrMo 910 10 CrMo 9-10
x10 CrMo VNb 9-1 x10 CrMo Vnb 9-1
x20 CrMo V 12-1 x20 CrMo V 11-1


High-temperature steel pipes according to ASTM A/ASME SA
P 11
P 22
P 5
P 91


Cold resistant steel pipes according to DIN and EN
DIN 17173 EN 10216-4
TTSt 35 N P 215 NL
TTSt 35 V P 255 QL
DIN 17179 EN 10216-3
TST E 355 P 355 NL 1