20GS2 steel is used: for the manufacture of reinforcement steel classes At800, At1000, At1000k, designed for conventional reinforcement and prestressed concrete structures.

Note

Steel low alloy structural manganese.

Standards

Name	Code	Standards
Bars and shapes	В22	GOST 10884-94

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	As
GOST 10884-94	0.17-0.22	≤0.04	≤0.04	1-1.5	≤0.3	1.7-2.4	≤0.3	Rest	≤0.3	≤0.08

Fe is the basis.
In accordance with GOST 10884-94 in steel, intended for the production of reinforcing steel of At800 class, the mass fraction of sulfur and phosphorus can be increased to 0.045%.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %
Reinforcing steel in the delivery state according to GOST 10884-94 (the Holy column of the delivery condition specified strength grade and temperature of electrical heating)
10-32	≥1000	≥1250	≥7
10-32	≥800	≥1000	≥8

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

Technological properties

Name	The value
Weldability	Welded without any restrictions.

Steel 20GS2

Designation

Description