in Dnipro

Mülheim an der Ruhr
Dnieper
Kiev

Steel 18K

Designation

Name	The value
Designation GOST Cyrillic	18К
Designation GOST Latin	18K
Transliteration	18K
By chemical elements	18

Description

18K steel is used: for the manufacture of parts, boilers, vessels working under pressure at ambient, elevated and reduced temperatures.

Standards

Name	Code	Standards
Sheets and strips	В23	GOST 5520-79, GOST 19903-74, GOST 19903-90

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	KCU, kJ/m²
Steel hot-rolled sheet in the delivery condition
≤20	≥275	430-520	≥20	≥590
21-40	≥265	430-520	≥20	≥590
41-60	≥255	430-520	≥20	≥590
Leaves categories: 2-4, 10, 16, 18-21 (KCU - as supplied / after mechanical aging)
≤5	≥275	430-520	≥20	-
21-40	≥265	430-520	≥20	≥588/294
41-60	≥255	430-520	≥20	≥588/294

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
KCU	Toughness

Technological properties

Name	The value
Weldability	Welded without any restrictions.