Steel Tubes
Various shapes of seamless and welded tubes in stainless steel and alloys.
At Tennant Metals you have direct access to a stock of over 50,000 kg of steel pipes of various alloys and dimensions. From our location in Herne, Germany, we support you worldwide needs for steel tubes.
Quality And Service
As a certified stockist and manufacturer for the international aerospace industry in accordance with EN 9100 and EN 9120, we offer you a wide range of services that support your project from the get go. Smart, simple and fast.
For more information on this visit our Quality and Services pages.
What alloy do you need?
In addition to Europe's largest selection of dimensions of 25crmo4 tubes available ex stock and a wide range of dimensions for 1.7734 tubes, Tennant Metall also stocks steel tubes in other grades tailored to your need as a customer.
If you need a special dimension, profile or grade, we will be happy to provide it with our over 30 years of experience in the steel business.
Here is an overview of the most common and mostly available dimensions and grades.
Steel Grades
| German Grades | International Designation | Specifications |
| 1.1133 | 20Mn5 / SBS T45 | EN10305 / BS 5S 100 |
| 1.4301 | AISI304 / Z2CN18-10 | ASTM A312 / ASTM A268 / AIR9160C / MIL-T-6845 / EN10305-1 / EN ISO 1127 / AMS5560 / AMS5566 |
| 1.4306 | AISI304L | ASTM A312 / ASTM A268 / MIL-T-6845 / EN10305-1 / EN ISO 1127 |
| 1.4314 | AISI304 | LN9398 / LN9396 / AMS5639 / MIL-T-6845 / MIL-T-5695 / AIR9423 / EN2230 / AMS5563 |
| 1.4544 | Z6CNT18-10 / SAE 321 | LN9398 / LN9396 / AMS5645 / EN2464 |
| 1.4546 | SAE 347 | AMS5556 / MIL-T-8808 / DTD5016 / BS 2T 68 |
| 1.4571 | AISI 316Ti | ASTM A312 / EN10305-1 |
| 1.7214 | 25CrMO4 / 25CD4S | LN9369 / AIR9160C |
| 1.7216 | 30CrMo4 / SAE 4130 | AMS6348 / AMS6360 / AMS6371 / AMS-T-6736 |
| 1.7218 | 25CrMo4 / 25CD4S | LN9369 / AIR9160C |
| 1.7734 | 15CDV6 | LN9369 / AIR9160C / ASNA3108 / ASNA6078 / EN2218 / EN2219 / EN2251 |
Extraordinary Quality
It is very important for us not just to satisfy specification requirements, we want to deliver extraordinary quality. That why all our processes are subject to constant monitoring, control and documentation.
Product Range
Our stock and delivery range includes various high-strength grades to German and International standards. Apart from our regular stock program we offer stocking material for blanket orders as a service to our customers, to be shipped on short notice for urgent or recurring requirements.
Tennant Metall & Technologie GmbH
Competence
Reliability
Worldwide
We support customers all over the world in various projects and industries in finding optimal raw material supply solutions and taking care of export formalities.
Delivery
As a certified IPPC packing station we manufacture our own export packaging perfectly fitting the material for secure and cost efficient shipping.