| name of material | technical parameters | certificates /approvals /standards |
| round bars: | ||
| peeled k11 | phi 16 - phi 136; X20Cr13 +2B-A, X5CrNi18-10 +2B | PN-EN 10088-3 - approval |
| bright ground h9 | phi 12 - phi 36; X20Cr13 +2G-A | PN-EN 10088-3 - approval |
| forged | phi 135 - phi 180; X30Cr13 +1X-A; X20Cr13 +1D-A | PN-EN 10088-3 - approval |
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