Product : SM490 YA
Kategori : High Strength Structural Steel Plates
Standard: JIS G3106
Grades : SM490 YA, SM490 YB, SM490A,SM490B
Equivalent Grade
Characteristic
Steel plate SM490YA is a Hot Rolled Steel for Welded Structure. SM490YA is a low carbon, high strength steel. Easy for weld and good cold forming properties. SM490YA steel plates usual supplied in normalized or control rolled delivery condition.
Availability
Thickness: 6 - 30mmSize: 5ft x 20ft (1524mm x 6019mm)
Equivalent By Country
| Europe | Belgium | France | Italy | Sweden | India | USA | U.K |
| S 355 JR | AE 355 B | E 36-2 | Fe 510 B | SS21,32,01 | IS 961 | A633
Gr A,C,D |
50 B |
Chemical Composition (%)
| C | Si | Mn | P | S | Nb | Cu | Cr | Ni | Mo |
| 0.18 Max | 0.55 Max | 1.60 Max | 0.035 Max | 0.035 Max | 0.036 | 0.05 | 0.02 | 0.01 | 0.001 |
Note; other alloy elements may be added as necessary (V, Al and Ti)
Mechanical Properties
Thickness
|
Yield Strength
|
Tensile Strength
|
Elongation
|
mm
|
Mpa
|
Mpa
|
( % )
|
t<16
|
325
|
490-610
|
17
|
16≦t≦40
|
315
|
490-610
|
21
|
| t>40 | 295 | 490-610 | 23 |
Tensile Test and Impact Test Report
Grade
|
Tensile Test
|
Impact Test
| |||||
Thickness
|
Yield Strength
|
Tensile Strength
|
Thickness
|
Elongation
|
Temp
|
V-notch Impact Energy
| |
(mm)
|
σs (MPa)
|
σb (MPa)
|
δ5 (mm)
|
δ5 (%)
|
(°C)
|
Akv (J)
| |
Q235A
|
≤16
|
≥235
|
375-500
|
≤16
|
≥26
| ||
Q235B
|
>16-40
|
≥225
|
>16-40
|
≥25
|
20
|
≥27
| |
Q235C
|
>40-60
|
≥215
|
>40-60
|
≥24
|
0
| ||
Q235D
|
-20
| ||||||
Q345A
|
≤16
|
≥345
|
470-630
|
≥21
| |||
Q345B
|
>16-40
|
≥325
|
20
|
≥34
| |||
Q345C
|
>40-60
|
≥295
|
≥22
|
0
| |||
Q345D
|
-20
| ||||||
Q345E
|
-40
|
≥27
| |||||
Q345T
|
≥345
|
470-630
|
≥21
|
20
|
≥49.54J/cm2 (Akv )
| ||
-40
|
≥23.2J/cm2 (Akv )
| ||||||
SS400
|
≤16
|
≥245
|
400-510
|
>5-16
|
≥17
| ||
>16-40
|
≥325
|
>16-50
|
≥21
| ||||
SM400B
|
≤16
|
≥245
|
400-510
|
>5-16
|
≥18
|
0
|
≥27
|
>16-40
|
≥325
|
>16-50
|
≥22
| ||||
SM490B
|
≤16
|
≥325
|
490-610
|
>5-16
|
≥17
|
0
|
≥27
|
>16-40
|
≥315
|
>16-50
|
≥21
| ||||
SM490YB
|
≤16
|
≥325
|
490-610
|
>5-16
|
≥15
|
≥27
| |
>16-75
|
≥355
|
>16-50
|
≥19
| ||||
ASTM A36
|
≥250
|
490-550
|
200mm
|
≥20
| |||
[36]
|
[58-80]
| ||||||
ASTM A572(GR50)
|
≥345
|
≥450
|
200mm
|
≥18
| |||
[50]
|
[65]
| ||||||
ASTM A992
|
≥345
|
≥450
|
200mm
|
≥18
| |||
[50-65]
|
[65]
| ||||||
ASTM A36/A572 (GR50)/A992
|
≥345
|
450-550
|
200mm
|
≥21
| |||
[50-65]
|
[65-80]
| ||||||
43A
|
≤16
|
≥275
|
430-580
|
≥22
| |||
>16-40
|
≥265
| ||||||
50B
|
≤16
|
≥355
|
490-640
|
≥20
|
20
|
≥27
| |
>16-40
|
≥345
| ||||||
55C
|
≤16
|
≥450
|
550-700
|
200mm
|
≥17
|
0
|
≥27
|
>16-25
|
≥430
| ||||||
>25-40
|
≥415
|
||||||
Application
SM490YA is commonly used in structural applications, heavy construction equipment, building structures, heavy duty anchoring systems, truck frames, poles, liners, conveyors, boom sections, structural steel shapes, machinery parts, mobile equipment, crane, boom, chassis, buildings, bridges and most structural activities, etc.
Related Grade
SM490YB | SM490C | SM400A | SM400B | SM400C | SM520C | SM570
Source:
Metals and Materials International August 2010, Volume 16, Issue 4, pp 559-564 Mechanical and thermal properties of SM 490 at high temperature for fire engineering design - In-Kyu Kwon, Soon-Gi Shin (Department of Fire Protection Engineering, College of Samcheok, Kangwon National University)
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