Steel 07Х13АГ20 (ЧС46)
|Designation GOST Cyrillic||07Х13АГ20|
|Designation GOST Latin||07X13AG20|
|By chemical elements||07Cr13NMn20|
|Designation GOST Cyrillic||ЧС46|
|Designation GOST Latin||ChC46|
|By chemical elements||ZrС46|
07Х13АГ20 steel is used: for the manufacture of rolled products, tubular billets and pipes designed for production of equipment of chemical industry, working in a slightly aggressive media.
Steel is non-magnetic, Nickel-free austenitic.
Steel heat-resistant and heat-resistant to +600 °C.
|Thermal and thermochemical treatment of metals||В04||STP 26.260.484-2004|
|Blanks. Of the workpiece. Slabs||В31||TU 14-1-3159-81, TU 14-1-3248-81|
|Bars and shapes||В32||TU 14-1-3243-81|
|Sheets and strips||В33||TU 14-1-3342-82, TU14-1-2640|
|Steel pipes and fittings to them||В62||TU 14-3-1322-85, TU 14-3-1323-85|
According to TU 14-1-3159-81, the mass fractions of nitrogen, boron, magnesium, cerium and calcium are calculated. Deviations are allowed: by mass fraction of nitrogen ± 0.020%, nickel + 0.30%, manganese ± 0.20%, chromium + 0.50%. Mass fraction of residual elements - according to GOST 5632.
|Section, mm||sT|s0,2, MPa||σU, MPa||d5, %||KCU, kJ/m2|
|The billet according to TU 14-1-3159-81. The longitudinal samples. Quenching in water or air at 950-1000 °C|
|Bars hot rolled and forged at STP 26.260.484-2004. Quenching in water or air with 1030-1070 °C|
Description mechanical marks
|sT|s0,2||Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%|
|σU||Limit short-term strength|
|d||Elongation after rupture|
|y||The relative narrowing|
|HB||Brinell hardness number|
|Macrostructure and pollution||The macrostructure of the workpiece on the other 14-1-3159-81 (when checking for cross etched Templeton) should not be visible without using the magnifying devices podnasadochnogo looseness, cracks, foreign non-metallic microflute, cellular and subcortical bubbles, bundles. The defects allowed must not exceed: on a point inhomogeneity 2 points, according to the Central porosity - 2 points, exudation square - 2 points. Contamination of the metal blanks must not exceed 2 points - sulphides, oxides, stroke, non-deformable silicates, plastic silicates; 3 points - nitrides and carbonitrides.|
|Microstructure||The contents of alpha phase in the billet on the other 14-1-3159-81 should not exceed 2.0 points.|
|Features of heat treatment||Steel products for equipment of chemical industry termoobrabotannyj according to mode: heating to 1050±20 °C, the holding time at the heating for hardening to products with a wall thickness up to 10 mm - 30 min, over 10 mm - 20 min + 1 min per 1 mm max thickness cooling products with wall thickness up to 10 mm in the air, over 10 mm in water.|