STAS/SR OL37.3

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OL37.3 Profile
OL37.3 Chemical composition
OL37.3 Mechanical Properties
OL37.3 Physical Properties
OL37.3 Heat treatment
OL37.3 Size Availability
OL37.3 Relevant products

Profile

This page is mainly introduced the OL37.3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL37.3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OL37.3

Steel Garde:OL37.3
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Relevant products:

SKD-11 Cold working die steel

X165CrMoV12 Cold...

A387 F5 / Grade 5 Coil / Sheet

D3 tool steel round bar/plate

T30402/X155CrVMo12...

DT413 / 4Cr5MoSiV1MOD

D6AC Forging Hollow Bar

GH 3536 Sheet

X65Cr13 profile steel

IncoloyA-286 / GH 2132

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
OL37.1	STAS/SR	Romania
OL37.2	STAS/SR	Romania
OL37q	STAS/SR	Romania
OL37q	STAS/SR	Romania
Q235		China
Q235 B		China
Q235 C		China
Q235 D		China
Q235q C		China
Q235q D		China
Q345q E		China
Q345q C		China
ASTM 1030	ASTM	USA
UNS G10300	UNS	USA
ASTM 1013	ASTM	USA
UNS G10130	UNS	USA
T13		China
5Cr3Mn1SiMo1V		China
3Cr2W8V		China
5Cr4Mo3SiMnVA1		China
3Cr3Mo3W2V		China
8Cr3		China
4Cr3Mo3SiV		China
7Mn15Cr2A13V2WMo		China
3Cr2Mo		China
SM1CrNi3		China
SM3Cr2Mo		China
SM3Cr2Ni1Mo		China
SM2CrNi3MoAl1S		China
SM2Cr13		China
SM3Cr17Mo		China
SM4Cr13		China
W6Mo5Cr4V3		China
CW6Mo5Cr4V3		China
W9Mo3Cr4V		China
W9Mo3Cr4V coil		China
YG3X		China
YG3		China
UNS T72301	UNS	USA
W2-A	ASTM	USA
UNS T72302	UNS	USA
T72305	UNS	USA
T20813	UNS	USA
T20823	UNS	USA
H43	ASTM	USA
T20843	UNS	USA
T30102	UNS	USA
A3	ASTM	USA
T30103	UNS	USA
T30104	UNS	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	520～864	σb/MPa
Yield Strength	689	σ 0.2 ≥/MPa
Elongation	46	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	649～130	-
HRC	30	-

Physical Properties

Thermal expansion	00-33	e-6/K
Thermal conductivity	27-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6714-1028	째C
Density	2216-4162	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
OL37.3 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk