The main goal of the GJH-Koło Forging shop is to ensure continuous supply, high quality of various forged products, all suited to their individual needs and requirements.
Our employees always provide technical assistance in forging design and selection of materials, so that the expectations of our Customers are met.
Our packaging is always adjusted to the unloading capacity of the Customer. We provide each Client with convenient payment terms and credit limits set individually.
Steel grades
We offer the highest quality steel:
- carbon and alloyed
- for heating improvement
- for carburization
- for nitration
- bearing steel
- tool steel
- for cold and hot work purposes
- other
Certificates
The independent laboratories we work with guarantee accuracy and reliability of results and have the appropriate certificates PCV, GE, UDT, BV, PRS, as well as recognition of other institutions.
We have been testing our products in top-class laboratories for many years, including:
- Laboratoria Badań Batory (Batory Research Laboratories)
- Laboratorium Walcowni Rur Andrzej (Andrzej Pipe Mill Laboratory)
- Stanisław Staszic Institute for Ferrous Metallurgy
- Research and Supervisory Center of Underground Mining
Tests
In accordance with the requirements of our clients, our products are subject to the following tests:
- chemical
- endurance
- metallographic
- non-destructive
Laboratories
The independent laboratories we work with guarantee accuracy and reliability of results and have the appropriate recognition, certificates, and accreditations: Bureau Veritas, Technical Supervision Office, Polish Register of Shipping and other institutions.
We have been testing our products in top-class laboratories for many years, including:
- Laboratoria Badań Batory (Batory Research Laboratories)
- Laboratorium Walcowni Rur Andrzej (Andrzej Pipe Mill Laboratory)
- Stanisław Staszic Institute for Ferrous Metallurgy
- Research and Supervisory Center of Underground Mining
Standards
Forgings are made according to standards:
- PN
- EN
- DIN
- ASTM
- SAE
- AISI
Heat Treatment
Our offer includes heat treatment services in:
- softening
- normalization
- tempering
- stress relieving
- Heating improvement / hardening and tempering
- annealing
- solutioning
- stabilization