28HG2TR

for the manufacture of tubular billet

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Structural steel	Alloyed structural steel

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	P, %	C, %	S, %
DSTU 3-009-2000	96.576–97.949	0.17–0.37	0.001–0.004	1.2–1.4	0.4–0.65	0.02–0.05	< 0.35	< 0.25	< 0.025	0.26–0.3	< 0.025

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Pipe billet	DSTU 3-009-2000				689	552	50	600	13	Hardening and tempering

Analogues

Germany	USA
Germany	USA
27 MnB 5	15B30 mod.

Standards

Standard	Description
Standard	Description
DSTU 3-009-2000	DSTU 3-009 - 2000

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\psi$	%	Reduction in cross section on fracture
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness