골판지 가공 강철 아연 코팅 된 금속 지붕 시트

Product

Corrugated Roofing Sheet

Base Material

Hot dipped galvanized steel sheet

Hot dipped galvalume steel sheet

Material Grade

CGCC, SGCC, SGCH, G350,G450,G550, DX51D+Z, DX51D+AZ, etc

Thickness

0.12-0.8mm

Width

750-1250mm (before corrugation)
600-1100mm (after corrugation)

Length

1000-6000mm or as require

Tolerance

Thickness: +/-0.02mm
Width: +/-2mm

Length: +/-2mm

Coating Type

Galvanized, Galvalume, Pre painted coating (PE, SMP, HDP, PVDF)

Zinc-coating

60g/m²-275g/m² (G30-G60)

Technique

Raw material: Hot rolled steel coil → Cold rolled → hot dipped galvanized → corrugated

Terms

Raw material width 762mm, after corrugated width 665mm: 9 waves

Raw material width 914mm, after corrugated width 800mm: 11 waves
Raw material width 1000mm, after corrugated 890mm or 900mm: 12-14 waves

Feature

Roofing Steel Sheet have excellent performance of decoration, corrosion resistance etc.

Export Package

Waterproof paper, galvanized steel covered and steel strip packed

Steel Grades

Chemical Composition%

<Residual Element>

Tensile Strength
(MPa)

Yield Strength(MPa)

C%< 

Si%< 

Mn%<

P%< 

S%< 

Alt<

SGCC, DX51D+Z

0.07

0.03

0.5

0.025

0.025

0.02

 Cu<0.10, Ni<0.08, Cr<0.10, As<0.05, Sn<0.05

270-500

140-280

DX52D+Z

0.06

0.03

0.45

0.025

0.025

0.02

270-420

140-300

DX53D+Z

0.03

0.03

0.4

0.020

0.020

0.02

270-380

140-260

S220GD+Z

0.17

0.3

1.0

0.035

0.300

0.02

300-440

>220

S250GD+Z

0.17

0.3

1.0

0.035

0.300

0.02

330-470

>250

S350GD+Z

0.2

0.55

1.6

0.035

0.300

0.02

420-560

>350

Grade

Yield Strength MPa

Tensile Strength MPa not less than

Elongation after breaking b(l=80mm, b=20mm) % not less than Nominal thickness mm

rvalue is not less than

nvalue is not less than

0.70-

1.0-

≥1.6

DC01(St12)

130~260

270

28

30

32

34

-

DC03(St13)

120~240

270

32

34

35

36

-

-

DC04(St14, St15)

120~210

270

36

38

39

40

1.5

0.18

DC05(BSC2)

110~190

260

38

39

40

41

1.8

0.2

DC06(St16,St14-T, BSC3)

100~180

250

39

40

41

42

2

0.22

Grade

Yield Strength MPa no greater than

Tensile Strength MPa not less than

Elongation after breaking b(Lo=50mm, b=25mm) % not less than Nominal thickness mm

0.25-

0.40-

0.60-

1.0~

≥1.6

SPCC

-

270

30

32

34

36

37

38

SPCD

-

270

32

34

36

38

39

40

SPCE, SPCEN

210

270

34

36

38

40

41

42

Grade

Chemical Component %

C

Mn

P

s

Alta

Tib

DC01(St12)

C0.10

≤0.50

≤0.035

≤0.025

≥0.020

-

DC03(St13)

≤0.08

≤0.45

≤0.030

≤0.025

≥0.020

-

DC04(St14,St 15)

≤0.08

≤0.40

≤0.025

≤0.020

≥0.020

-

DC05(BSC2)

≤0.008

≤0.30

≤0.020

≤0.020

≥0.015

≤0.20

DC06(St16,SH4-T,BSC3)

≤0.006

≤0.30

≤0.020

≤0.020

≥0.015

≤0.20

SPCC

≤0.12

≤0.50

≤0035

≤0.025

≥0,020

SPCD

≤0.10

≤0.45

≤0.030

≤0.025

≥0.020

SPCE. SPCEN

≤008

U0.40

W0.025

≤0.020

≥0,020

Alt greater than or equal to 0.015 when C is less than or equal to 0.01 for all grades