DBS BRIDGE STEEL / PRINTECH, REAL ZINC, ZINC

| Production Information | Applications | Standard & Applications |

Standard & Applications

1) Production Range

Thickness
(mm)

Width
(mm)

Weight
(TON)

Inside Diameter
(mm)

Outside Diameter
(mm)

HR Coil

1.2~16.0

900 ~ 1650

Max 30 ton

Only 762

Max 2100

2) Standard & Applications

Applications

Standard

JIS

Other

Hot Rolled Mild Steel

SPHC,D,E

A621

Rolled Steel for General Structures

SS300
SS400
SS490
SS540

A36
DIN USt34-2

Rolled Steel for Welded Structures

SM400
SM490
SM520

A570-40
A573-70
A633-E

Cold-rolled Steel Sheets

SAE1008~SAE1050
LCS200
IF

Superior Atmospheric Resisting Rolled Steels

SPA-H

Hot Rolled Carbon Steel
Strip for Pipes & Tubes

SPHT1,2,3,4

HRS1,2,3,4

Carbon Steels Tubes for General Structural Purposes

STK290
STK400
STK490

Strip for Line Pipe

API 5L A
API 5L X42~
API 5L X60
API 5L X70

Hot Rolled Steel
Strip for Automobile Structure Use

SAPH310
SAPH370
SAPH400

Hot Rolled High Strength Steel
Strip with Improved Formability for Automobile Structure Use

SPFH490
SPFH540
SPFH590

Carbon Steel for
Machine Structural Use

SM17C~SM50C

S17C~S50C

SAE1017~SAE1050
AISI1017~AISI1050

3) Chemical Composition

Designation

Chemical Composition (wt %)

SPHC
SPHD
SPHE

≤ 0.15
≤ 0.10
≤ 0.10

≤ 0.60
≤ 0.50
≤ 0.50

≤ 0.050
≤ 0.040
≤ 0.030

≤ 0.050
≤ 0.040
≤ 0.035

SS300
SS400
SS490
SS540

≤ 0.30

≤ 1.60

≤ 0.050
≤ 0.050
≤ 0.050
≤ 0.040

SM400 A
SM400 B
SM400 C

≤ 0.23
≤ 0.20
≤ 0.18

≤ 0.35

≤ 1.40

≤ 0.035

SM490 A
SM490 B
SM490 C

≤ 0.20
≤ 0.18
≤ 0.18

≤ 0.55

≤ 1.60

≤ 0.035

SM520 A
SM520 B

≤ 0.20

≤ 0.55

≤ 1.60

≤ 0.035

SPHT1
SPHT2
SPHT3
SPHT4

≤ 0.10
≤ 0.18
≤ 0.25
≤ 0.30

≤ 0.35

≤ 0.50
≤ 0.60
0.30 ~ 0.90
0.30 ~ 1.00

≤ 0.040

STK290
STK400
STK490

-
≤ 0.25
≤ 0.18

-
-
≤ 0.55

-
-
≤ 1.50

≤ 0.040

SAE1008
SAE1010

≤ 0.10
0.08 ~0.13

≤ 0.50
0.30 ~ 0.60

SAE1017
SAE1022
SAE1050

0.15 ~ 0.20
0.18 ~ 0.23
0.48 ~ 0.55

0.30 ~ 0.60
0.70 ~ 1.00
0.60 ~ 0.90

SAPH310
SAPH370
SAPH400

≤ 0.040

SPFH490
SPFH540
SPFH590

≤ 0.09

≤ 0.15

0.95 ~ 1.05
1.20 ~ 1.30
1.45 ~ 1.55

≤ 0.025

≤ 0.003

API 5L A
API 5L X42
API 5L X60
API 5L X70

≤ 0.22
≤ 0.29
≤ 0.26
≤ 0.23

≤ 0.90
≤ 1.25
≤ 1.35
≤ 1.60

≤ 0.030

S45C

0.42 ~ 0.48

0.15 ~ 0.35

0.60 ~ 0.90

≤ 0.030

≤ 0.035

Designation

Chemical Composition (wt %)

SPA-H

≤ 0.12

0.25 ~0.75

0.20~0.50

0.25 ~ 0.60

0.30 ~ 1.25

≤ 0.65

0.070 ~0.150

≤ 0.040

4) Mechanical Properties

Designation

Tensile Strength (Mpa)

Elongation(%)

Bending test

< 1.6

1.6 ~ 2.0

2.0 ~ 2.5

2.5 ~ 3.2

3.2 ~4.0

≥ 4.0

Bending
angle

inside radius

<3.2

≥3.2

SPHC

≥ 270

≥ 27

≥ 29

≥ 31

180°

Flat on itself

T X 0.5

SPHD

≥ 270

≥ 30

≥ 32

≥ 33

≥ 35

≥ 37

≥ 39

SPHE

≥ 270

≥ 31

≥ 33

≥ 35

≥ 37

≥ 39

≥ 41

Designation

Tensile Strength(Mpa)

Elongation(%)

Bending test

≤ 5.0

5.0 ~ 16.0

Bending angle

inside radius

SS300

300 ~ 430

≥ 26

≥ 21

180°

T X 0.5

SS400

400 ~ 510

≥ 21

≥ 17

180°

T X 1.5

SS490

490 ~ 610

≥ 19

≥ 16

180°

T X 2.0

SS540

≥ 540

≥ 15

≥ 13

180°

T X 2.0

SM400 A

400 ~ 510

≥ 23

≥ 18

SM400 B

400 ~ 510

SM400 C

400 ~ 510

SM490 A

490 ~ 610

≥ 22

≥ 17

SM490 B

490 ~ 610

SM490 C

490 ~ 610

SM520 A

520 ~ 640

≥ 19

≥ 15

SM520 B

520 ~ 640

Designation

Tensile Strength(Mpa)

Elongation(%)

Bending test

< 1.6

1.6 ~3.0

3.0 ~6.0

6.0 ~ 13.0

Bending angle

inside radius

≤ 3.0

>3.2

SPHT1

≥ 270

≥ 30

≥ 32

≥ 35

≥ 37

180°

Flat on itself

T X 0.5

SPHT2

≥ 340

≥ 25

≥ 27

≥ 30

≥ 32

180°

T X 1.0

T X 1.5

SPHT3

≥ 410

≥ 20

≥ 22

≥ 25

≥ 27

180°

T X 1.5

T X 2.0

SPHT4

≥ 490

≥ 15

≥ 18

≥ 20

≥ 22

180°

T X 1.5

T X 2.0

Designation

Tensile Strength
(Mpa)

Elongation(%)

Bending test

1.6 ~ 2.0

2.0 ~ 2.5

2.5 ~ 3.15

3.15 ~4.0

4.0 ~6.3

≥ 6.3

Bending angle

inside radius

< 2.0

≥ 2.0

SAPH310

≥ 310

≥ 33

≥ 34

≥ 36

≥ 38

≥ 40

≥ 26

180°

Flat on itself

T X 1.0

SAPH370

≥ 370

≥ 32

≥ 33

≥ 35

≥ 36

≥ 37

≥ 25

180°

T X 0.5

T X 1.0

SAPH400

≥ 400

≥ 31

≥ 32

≥ 34

≥ 35

≥ 36

≥ 24

180°

T X 01.0

T X 1.0

Designation

Tensile Strength
(Mpa)

Elongation(%)

Bending test

Longitudinal Direction

Cross Direction

Bending angle

inside radius

STK290

≥ 290

≥ 30

≥ 25

90°

STK400

≥ 400

≥ 23

≥ 18

90°

STK490

≥ 490

≥ 23

≥ 18

90°

STK540

≥ 540

≥ 20

≥ 16

90°

Designation

Tensile Strength
(Mpa)

Elongation(%)

Bending test

1.6 ~2.0

2.0~2.5

2.5 ~ 3.25

3.25 ~6.0

Bending angle

inside radius

< 3.2

≥ 3.2

SPFH490

≥ 490

≥ 22

≥ 23

≥ 24

≥ 25

180°

T X 0.5

T X 1.0

SPFH540

≥ 540

≥ 21

≥ 22

≥ 23

≥ 24

180°

T X 1.0

T X 1.5

SPFH590

≥ 590

≥ 19

≥ 20

≥ 21

≥ 22

180°

T X 1.5

Designation

Tensile Strength(Mpa)

Elongation(%)

Bending test

≤ 6.0

> 6.0

Bending angle

inside radius

≤ 6.0

> 6.0

SPA-H

≥ 490

≥ 22

≥ 15

180°

T X 0.5

T X 1.5

Designation

Tensile Strength(Mpa)

Elongation(%)

Bending test

Bending angle

inside radius

API 5L A

≥ 330

A⁰² 　(A: Test Specimen)

E = 625,000 ━━━

U⁰⁹ 　(U: Minimization of Tensile Strength (Psi))

API 5L X42

≥ 413

API 5L X60

≥ 517

API 5L X70

≥ 566

5) Available Sizes

※The above-mentioned contents may be changed by customers’ requests or products development schedule