Working Pressure Calculations

The weld factors used in the calculations below are according to our approvals from authorities. Internal vacuums are not taken into account in the calculations.

Pipes and tubes
Calculations according to EN 13480-3 or ASME B31:3 in all available dimensions and grades.

Elbows

Tees
Calculations according to EN 13480-3 in all available dimensions and grades.

Reducers

News

dec 2019

OSTP AT - STAINLESS STEEL WORLD EXPO & CONFERENCE

nov 2019

ADVANCE WARNING OF LIKELY TRANSPORT DISRUPTION

okt 2019

OSTP AT STAINLESS STEEL WORLD – Maastricht

News Archive

Vacancies

Open application , Pietarsaari/Jakobstad

As our business develops, we constantly need knowledgeable and motivated personnel. You can fill in an open application where you can define what kind of job you are looking for.

jan 2020

Kesätyö 2020 / Sommararbete 2020, Pietarsaari/Jakobstad

Tarvitsemme kesätyöntekijöitä tuotantoon, kunnossapitoon, logistiikkaan sekä eri hallinnon tehtäviin kesäksi 2020. Ikärajamme on 16 vuotta. Lähetä vapaamuotoinen hakemus ja ansioluettelosi ja kerro, miksi juuri sinä olisit meille sopiva kesätyöntekijä. Lähetä hakemuksesi 16.2.2020 mennessä oheisesta linkistä.

Vi behöver sommararbetare till produktion, underhåll, logistik och olika administrativa arbete för sommaren 2020. Vår åldersgräns är 16 år. Skicka in en fritt formulerad ansökan och din meritförteckning och berätta varför just du skulle vara lämplig. Skicka in din ansökan senast 16.2.2020
länk nedan.

Vacancy Archive

Customer Feedback

As part of OSTP’s ongoing drive to improve customer service and the overall experience of doing business with OSTP we have launched a simple Feed-Back link on our website. Please use this facility to report both negative and positive experiences – both are equally important to us to continue to develop appropriately to your needs.

Feedback