28C steel is used: for the manufacture of reinforcement steel classes At600, At600c, At600k, At800, designed for conventional reinforcement and prestressed concrete structures.

Standards

Name	Code	Standards
Bars and shapes	В22	GOST 10884-94, TU 14-15-156-86

Chemical composition

Standard	C	S	P	Mn	Si	Fe	Cu	As
GOST 10884-94	0.25-0.32	≤0.045	≤0.04	0.6-0.9	0.9-1.2	Rest	≤0.3	≤0.08

Fe is the basis.
According to GOST 10884-94 in steel, intended for the production of reinforcing steel classes AT600, AT600C, At600K and At800, it is possible to increase the mass fraction of sulfur and phosphorus 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)
10-40	≥600	≥800	≥12
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 28S

Designation

Description

Standards

Chemical composition

Mechanical properties

Description mechanical marks

Technological properties

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