Galvanized
Steel
Discover the resilience and durability of our Galvanized Steel series, including DX51D, DX52D, DX53D, and S250GD, crafted for superior corrosion resistance. With a zinc-coating weight ranging from 60 to 300g/m2, our galvanized steel stands as a robust solution for a variety of applications.
Galvanized Steel Specification
| Thickness (BMT) (mm) | Scope of width (mm) | Weight of zinc-coating (two-sided) (g/㎡) | Remarks |
|---|---|---|---|
≥0.25～0.29 | 800～1300 | 120 | Customised to the specifications of our customers |
≥0.29～0.35 | 800～1300 | 120 | |
≥0.35～0.40 | 800～1300 | 120 | |
≥0.40～0.60 | 800～1300 | 120 | |
≥0.60～1.50 | 800～1300 | 120 |
Product List
| Standard | GB/T 2518-2008 | Q/BQB 420-2009 | EN 10327-2004/EN 10326-2004 | JISG3302-2010 | ASTMA653M | Quality Type |
|---|---|---|---|---|---|---|
Grade | DX51D+Z | DC51D+Z | DX51D+Z | SGCC | CS Type C | CQ |
DX52D+Z | DC52D+Z | DX52D+Z | SGCD1 | CS Type A,B | DQ | |
DX53D+Z | DX53D+Z | DX53D+Z | SGCD2 | FS Type A,B | DDQ | |
S250GD+Z | S250GD+Z | S250GD+Z | SGC340 | SS 255 | HSLA |
Finished Products Description
Raw Material
Item: Hot Dip Galvanized Steel Sheet in Coil
Grade：SPCQ、DQ、DDQ、EDDQ、Q235B
Thickness & Width：（0.25mm~1.50mm）×（800~1300mm）
Weight of zinc-coating：60~300g/m2（GI, two-sided）
Type of zinc-coating：GI
Environmental passivation：10-50mg/㎡
Anti-finger print：0.5-2.0μm（dry-film）
Oiling：0.15-2.5g/㎡（one-sided）
Coil Inner-Diameter：ф508mm/ф610mm
Coil outer-Diameter：ф900mm~ф2200mm
Coil weight：≤28t
Name：Cold Rolled hard Coils
Grade：Q235B、Q195、SPHC、SPHD、SPHE、IF
Thickness & Width：（0.25mm~1.5mm）×（800~1300mm）
Coil Inner-Diameter：ф508mm、ф610mm
Coil outer-Diameter：ф900mm~ф2200mm
Coil weight：≤28t
Thickness & Width Tolerance
| Nominal thickness (mm) | Thickness tolerance (mm) | Width tolerance (mm) |
|---|---|---|
≤0.40 | ±0.05 | 0～＋7 |
＞0.40≤0.60 | ±0.06 | 0～＋7 |
＞0.60≤0.80 | ±0.07 | 0～＋7 |
＞0.80≤1.00 | ±0.07 | 0～＋7 |
＞1.00≤1.20 | ±0.08 | 0～＋7 |
＞1.20≤1.60 | ±0.09 | 0～＋7 |
＞1.60≤2.00 | ±0.11 | 0～＋7 |
| Product Grade & Properties (Refer to JISG 3302-2010) | |||||||
|---|---|---|---|---|---|---|---|
Product Grade | Yield Strength (mpa)(≥) | Tensile Strength (mpa)(≥) | Elogation after Cutting a80(%)(≥) | Surface Quality Grade | |||
Nominal Thickness(mm) | |||||||
≤0.40 | 0.40～0.60 | 0.60～1.00 | 1.00～1.20 | ||||
SGCC | 205 | 270 | - | - | - | - | FA/FB |
SGCD1 | - | 270 | - | 34 | 36 | 38 | FA/FB/FC |
SGCD2 | - | 270 | - | 36 | 38 | 40 | FA/FB/FC |
SGC340 | 245 | 340 | 20 | 20 | 20 | 20 | FA |
SGC400 | 295 | 400 | 18 | 18 | 18 | 18 | FA |
SGC440 | 335 | 440 | 18 | 18 | 18 | 18 | FA |
Surface Quality Grade Instructions
| Name | Code | Instructions |
|---|---|---|
Ordinary Surface Finishing | FA | Normal request on the skinpass surface |
Higher Surface Finishing | FB | Higher quality request on the skinpass surface |
Superior Surface Finishing | FC | Superior quality request on the skinpass surface |
Surface Treatment
| Name | Code | Instructions |
|---|---|---|
Chrome free | C5 | This surface treatment could reduce the white rust on the surface with further limted harmful hexavalent chromium material. |
Chrome free & anti-finger print | A | This surface treatment could reduce the white rust on the surface with anti-finger print film. |
Oiling | O | This surface treatment could reduce the white rust on the surface with antirust oil. |
Non-treatment | U | This surface is without any surface treatment. |
| Zinc-coating Specification | |||||
|---|---|---|---|---|---|
Weight of zinc-coating (G/M2) | Zinc-coating code | ||||
China Standard | Bao Steel Standard | EU Standard | Japan Standard | USA Standard | |
no requirements | - | - | - | Z001(G01) | |
≥60 | Z60 | - | Z06 | - | |
≥80 | Z80 | 40/40 | - | Z08 | - |
≥90 | - | - | - | - | Z90(G30) |
≥100 | Z100 | 340 | 50/50 | Z100 | Z10 |
≥120 | Z120 | - | Z12 | Z120(G40) | |
≥140 | - | 70/70 | Z140 | Z14 | - |
≥150 | Z150 | - | - | - | |
≥180 | Z180 | - | Z18 | Z180(G60) | |
≥200 | Z200 | 100/100 | Z200 | Z20 | - |
≥220 | Z220 | - | Z22 | - | |
≥225 | - | Z225 | |||
≥250 | Z250 | 125/125 | - | Z25 | - |
≥275 | Z275 | 140/140 | Z275 | Z27 | Z275(G90) |
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Offices
Head Office
1802 World Expo Financial Center, 23 Dawn Road, Chancheng District, Foshan City, Guangdong Province, China
Tel：+86 757 83078795
Mobile：+86 13790009097
Email: info@ghtsteel.com