Steel 95Х6М3Ф3СТ (ЭК80)
|Designation GOST Cyrillic||95Х6М3Ф3СТ|
|Designation GOST Latin||95X6M3F3CT|
|By chemical elements||95Cr6Mo3V3СTi|
|Designation GOST Cyrillic||ЭК80|
|Designation GOST Latin||EK80|
|By chemical elements||-|
95Х6М3Ф3СТ steel is used: for the manufacture of heavily loaded cold heading punches; cutting tool (as a substitute of high-speed steel); knives cutting liquid glass; stamping equipment; heat resistant wear-resistant products for various purposes.
The high-strength heat-resistant steel.
|Blanks. Of the workpiece. Slabs||В31||TU 14-1-4458-88|
|Bars and shapes||В32||TU 14-1-5079-91|
According to TU 14-1-5079-91 the chemical composition is given for steel grade 95Х6М3Ф3СТ (ЭК80). In the finished rolled steel, deviations in chemical composition are allowed: by carbon ± 0,020%, by silicon ± 0,050%, by chromium ± 0,10, by molybdenum ± 0,10%, by titanium + 0,050 / -0,020% in open smelting metal and - 0.10% in titanium in the metal of electroslag remelting. As a technological additive, it is allowed to introduce into the steel REM and calcium by calculation up to 0.040% of each. The content of REM and calcium by chemical analysis is not determined. The residual content in steel is allowed up to 0.60% tungsten. As agreed with the consumer, steel can be manufactured with a carbon content of 0.90-0.95% and 0.95-1.00%.
|Microstructure||The size of austenite grains after quenching should be no larger than 9 rooms for bars with diameter less than 40 mm and 8 rooms - for bars with diameter over 40 mm. the Value of heterogeneity for carbide rods depending on diameter shall not exceed: ø 8-15 mm - 2 points; ø 16-20 mm - 3 points; ø 21-40 mm - 4 points; ø 41-60 mm - 5 points; 61 to 80 mm ø - 6 points; ø 81-120 mm - 7 points.|