|
 The product standards are subject to change. Please
be sure to confirm the recent standards when making orders or
to consult
our associates. |
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1. Table of Standards
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Usage / Standards
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KS
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JIS
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ASTM
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Others
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General Structure
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KS D 3503
SS330
SS400
SS490
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JIS G 3101
SS330
SS400
SS490
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A36
A283
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* SAE 1008
SAE 1022
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Reroll
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KS D 3501
SHP1
SHP2
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JIS G 3131
SPHC
SPHD
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A569
A621
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General Steel Tubes
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KS D 3555
HRS1
HRS2
HRS3
HRS4
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JIS G 3132
SPHT1
SPHT2
SPHT3
SPHT4
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-
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Container
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JIS G 3132
SPA-H
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A242
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Structural Steel Tubes
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KS D 3566
SPS41
SPS50
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JIS G 3444
STK400
STK490
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A500
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2. Mechanical Properties
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Steel Type
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Yield Point (N/m²) Thickness
16mm and Under
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Tensile Strength
(N/m²)
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Thickness
(mm)
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Tension Test Piece
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Elongation
(%)
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Bending Test
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|
Bending Angle
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Inner Diameter
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Test Piece
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JS-SS330
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205 and over
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330~430
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5 and under
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No.5
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26 and over
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180°
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0.5times the thickness
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No.1
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Over 5
16and under
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No.1A
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21and over
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JS-SS400
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245and over
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400~510
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5 and under
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No.5
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21 and over
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180°
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1.5times the thickness
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No.1
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Over 5
16 and under
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No.1A
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17 and over
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JS-SS490
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285 and over
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490~610
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5 and under
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No.5
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19 and over
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180°
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2.0times the thickness
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No.1
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Over 5
16 and under
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No.1A
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15 and over
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Steel Type
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Tensile Strength
(N/m²)
|
Elongation %
|
Tension Test Piece
|
Bending Test
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|
Thickness (mm)
|
Bending Angle
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Inner Radius
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Test Piece
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1.2 and over, Under
1.6
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1.6 and over, Under
2.0
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2.0 and ove, Underr
2.5
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2.5 and over, Under
3.2
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3.2 and over, Under
4.0
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4.0 and over
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Thickness (mm)
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Under 3.2
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Over 3.2
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JS-SPHC
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270and over
|
27
|
29
|
29
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29
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31
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31
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No.5 Rolling Direction
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180°
|
Closed
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0.5 times the thickness
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No.3 Rolling Direction
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JS-SPHD
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270and over
|
30
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32
|
33
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35
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37
|
39
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No.5 Rolling Direction
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180°
|
Closed
|
0.5 times the thickness
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No.3 Rolling Direction
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|
Steel Type
|
Tensile Strength
(N/m²)
|
Elongation (%)
|
Tension Test Piece
|
Bending Test
|
|
Thickness mm
|
Bending Angle
|
Internal Radius
|
Test Piece
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1.2 and over, Under 1.6
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1.6 and over, Under 3.0
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3.0 and over, Under 6.0
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6.0 and over, Under 13
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Thickness mm
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3.0 and under
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Over 3.0, Under 13.0
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|
JS-SPH1
|
270 and over
|
30
|
32
|
351
|
37
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No.5 Rolling Direction
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180°
|
Closed
|
0.5times the thickness
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No.3 Rolling Direction
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JS-SPH2
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|
25
|
27
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30
|
32
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1.0time the thickness
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1.5times the thickness
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|
JS-SPH3
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|
20
|
22
|
25
|
27
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1.5time the thickness
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2.0times the thickness
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|
JS-SPH4
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|
15
|
15
|
20
|
22
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1.5time the thickness
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2.5times the thickness
|
|
|
Steel Type
|
Tensile Strength
(N/m²)
|
Yield Point (N/m²)
|
Tensile Strength
(N/m²)
|
Tension Test Piece
|
Elongation %
|
Bending Test
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|
Bending Angle
|
Inner Radius
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Test Piece
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JS-SPA-H
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6.0 and under
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345 and over
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480 and over
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No.5
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22
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180°
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0.5times the thickness
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No.1 Rolling Direction
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|
6.0 and over
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355 and over
|
490 and over
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No.1A
|
15
|
1.5times the thickness
|
|
Steel Type
|
Tensile Strength
(N/m²)
|
Yield Point (N/m²)
|
Elongation %
|
Bending Test
|
Flattening Test
|
Inner Radius (D for Outer
Radius)
|
|
Test Piece No.11
Test Piece No.12
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Test Piece No.5
|
Bending Angle
|
Distance Between the Flattened
Sides (H) (D for Outer Radius)
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Vertical Direction
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Horizontal Direction
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Tensile Strength at Welding
Point (N/m²)
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JS-STK400
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400 and over
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235 and over
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23 and over
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18 and over
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90°
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6D
|
2/3D
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400 and over
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JS-STK490
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490 and over
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315 and over
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23 and over
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18 and over
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90°
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6D
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7/8D
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490 and over
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