Ste db etg25_rgb_en
0 likes137 views
This document summarizes the specifications for Steeltec ETG® 25 steel bars including: 1) It is available in sizes from 4-28mm with tolerances of h9 for drawn and IT6 or more for ground bars. 2) The chemical composition includes a minimum of 0.24% carbon and maximum of 0.29% with other elements like silicon and manganese also specified. 3) Mechanical properties are provided for dimensions up to 16mm and above 16mm, showing properties like proof stress, tensile strength, elongation and hardness.
Ste db etg25_rgb_en
- 1. Process Size range mm Tolerance drawn ≥ 4,0 – ≤ 28,0 h9 ground ≥ 4,0 – ≤ 28,0 ≥ IT6 Product range ETG® 25 is available in the following finishes and sizes: Steeltec ETG® 25 Other categories to meet special require- ments (e.g. mechanical properties) are available to special order. Regular sizes are available from stock. Element C Si Mn P S min. 0,24 0,10 1,20 0,02 max. 0,29 0,30 1,50 0,04 0,04 Chemical analysis Melt analysis in % by weight Killed with aluminium or agents having a similar effect. The analysis complies with SAE 1527, comparable with 28Mn6 (1.1170). » Bar lengths: 3–6.5 m » Colour coding: yellow end-face 1
- 2. 2STEELTEC ETG® 25 Mechanical properties as drawn Guide values Static Dimensions Ø mm ≤ 16 >16 Proof stress Rp0,2 N/mm2 ≥ 660 ≥ 660 Tensile strength Rm N/mm2 800 – 950 830 – 950 Ultimate elongation A5 % ≥ 12 ≥ 12 Reduction of area Z % ≥ 45 ≥ 45 Hardness HV10 230 – 300 255 – 336 Notched impact energy AvRT (ISO-V) J ≥ 25 ≥ 25 Dynamic Tension/compression σzdw N/mm2 ca. 360 Reverse bending Specimen without notch σbw N/mm2 ca. 390 Specimen with notch ɑk=4,0 σbw N/mm2 ca. 125 Torsional reversal Ʈtw N/mm2 ca. 175