Products Info / Carbon Steel / Flat / Sheets/ Hot Dip Galvanized

Classification and Designation (hot-rolled base metal used)

Applicable on and after January 1, 1991)

Classified Symbol

 

 Nominal thickness mm

 Application

SI Unit  (Reference ) Traditional unit
SGHC  SGHC   1.6 and over, up to and  incl. 6.0  Commercial
SGH  340  SGH   35   1.6 and over, up to and  incl. 6.0  Structural
SGH  400  SGH   41   1.6 and over, up to and  incl. 6.0  Structural
SGH  440  SGH   45   1.6 and over, up to and  incl. 6.0  Structural
SGH  490  SGH   50   1.6 and over, up to and  incl. 6.0  Structural
SGH  540  SGH   55   1.6 and over, up to and  incl. 6.0  Structural

Classification and Designation (cold-rolled base metal used)

Applicable on and after January 1, 1991)

Classified Symbol

 

 Nominal thickness mm

 Application

SI Unit  (Reference ) Traditional unit
SGCC  SGCC   0.25 and over, up to and  incl. 3.2  Commercial
SGCH  SGCH     0.11 and over, up to and  incl. 1.0  Commercial, hard
SGCD 1  SGCD 1   0.40 and over, up to and  incl. 2.3  Drawing, class 1
SGCD 2  SGCD 2   0.40 and over, up to and  incl. 2.3  Drawing, class 2
SGCD 3  SGCD 3  0.60 and over, up to and  incl. 2.3  Drawing, class 3
SGC  340  SGC 35  0.25 and over, up to and  incl. 3.2  Structural
SGC  400 SGC 41 0.25 and over, up to and  incl. 3.2 Structural
SGC  440 SGC 45 0.25 and over, up to and  incl. 3.2 Structural
SGC  490 SGC 50 0.25 and over, up to and  incl. 3.2 Structural
SGC  570 SGC 58 0.25 and over, up to and  incl. 2.0 Structural

Minimum Coating Mass on Both Surfaces for Sheets or Coils Having the Same Coating on Both Surfaces

Coating Classification Symbol for coating mass on both surfaces Average coating mass in triple-spot test on both surfaces Minimum coating mass at a single spot on both surfaces
Non alloyed (Z  06) (60) (51)
Z 08 80 68
Z 10 100 85
Z 12 120 102
Z 18 180 153
Z 20  200 170
Z 22 220 187
Z 25 250 213
Z 27 275 234
Z 35 350 298
Z 45 450 383
Z 60 600 510
Alloyed (F 04) (40) (34)
F 06 60 51
F 08 80 68
F 10 100 85
F 12 120 102
( F 18) (180) (153)

Yield Point , Tensile Strength and Elongation (hot-rolled base metal used)

(Applicable on and after January 1, 1991)

Classified symbol  Yield Point   N/mm2  Tensile strength  N/mm2  Elongation Test Place
Nominal thickness 1.6 mm and over
SGHC     -----     ----      ---- No. 5 cut in rolling direction
SGH 340  245 min  340 min     20 min
SGH 400  295 min  400 min    18  min
SGH 440  335 min  440 min    18  min
SGH 490  365 min  490 min    16  min
SGH 540  400 min  540 min    16 min

Yield Point, Tensile Strength, Elongation and Nonaging (cold-rolled base metal used)

(Application on and after January 1, 1991)

Classified symbol  Yield point

N/mm2

 Tensile Strength

N/mm2

 Elongation
Nominal thickness  mm
0.25 and over up to 0.40  0.40 and over, up to 0.60  0.60 and over, up to 1.0  1.0 and over, up to 1.0  1.6 and over up to 2.5  2.5 and over
SGCC   ----    -----       ----       ----    ----    ----   ----   ---
SGCH  ----    -----       ----       ----    ----    ----   ----   ---
SGCD 1  ----    270 min       ----       34 min    36 min    37 min    38 min   ---
SGCD 2  ----    270 min       ----       36 min    38 min    39 min    40 min   ---
SGCD 3  ----    270 min       ----    (38) min    40 min   41 min    42 min   ---
SGC 340  245 min    340 min  (20) min       20 min    20 min   20 min    20 min   20 min
SGC 400  295 min    400 min  (18) min       18 min    18 min   18 min    18 min  18 min
SGC 440  335 min    440 min  (18) min       18 min    18 min   18 min    18 min 18 min
SGC 490  365 min    490 min  (16) min       16 min    16 min   16 min    16 min 16 min
SGC 570  560 min    570 min       ----        ----    ----    ----

Standard  Nominal Thickness

      (0.27)       (0.30)       (0.35)          0.40          0.50         0.60         0.70          0.80          0.90        1.0        1.2  
 1.4    1.6    1.8      2.0     2.3            2.8           3.2           3.6         4.0          4.5             5.0        5.6       6.0 

Tolerances on Thickness (cold-rolled base metal used)

Nominal thickness/Width  Up to 630  630 and 0ver, up to 1000  1000 and over, up to 1250  1250 and over, up to 1600  1600 and over
Up to 0.25 +/-  0.04 +/- 0.04 +/- 0.04   ----  ----
0.25 and over, up to 0.40 +/-  0.05 +/- 0.05 +/- 0.05 +/- 0.06  ----
0.40 and over, up to 0.60

           +/-  0.06

+/- 0.06 +/- 0.06 +/-  0.07 +/-  0.08
0.60 and over, up to 0.80 +/-  0.07 +/- 0.07 +/- 0.07 +/- 0.08 +/- 0.09
0.80 and over, up to 1.00 +/- 0.08 +/- 0.08 +/- 0.09 +/- 0.10 +/- 0.11
1.00 and over, up to 1.25 +/- 0.09 +/- 0.09 +/- 0.10 +/- 0.11 +/-0.13
1.25 and over, up to 1.60 +/- 0.10 +/- 0.11 +/- 0.12 +/- 0.13 +/- 0.15
1.60 and over, up to 2.00 +/- 0.11 +/- 0.12 +/- 0.13 +/- 0.15 +/- 0.17
2.00 and over, up to 2.50 +/- 0.13 +/- 0.14 +/- 0.15 +/- 0.17 +/- 0.19
2.50 and over, up to 3.15 +/- 0.15 +/- 0.16 +/- 0.17 +/- 0.19 +/- 0.21
3.15 and over +/- 0.17 +/- 0.18 +/- 0.20 +/- 0.21    ----

Equivalent coating Thickness

Unit : mm

Coating Mass symbol  Z 06  Z 08  Z 10  Z 12 Z 18 Z  20 Z 22 Z 25 Z 27 Z 35 Z 45 Z60
Equivalent Coating thickness  0.013  0.017 0.021  0.026 0.034  0.040  0.043  0.049  0.054 0.064 0.080  0.102
Coating Mass Symbol  F 04  F06  F 08 F 10  F 12  F 18
Equivalent coating thickness  0.008  0.013  0.017  0.021  0.026  0.034

Tolerances on Width

Unit mm

Base Metal Hot Rolled base metal used Cold rolled base metal used
Division of width/ Tolerance grade  A  B
Up to and incl. 1500

 + 25

     0

 +10

    0

 + 7

    0

Over 1500

+ 10

 

                                                              Tolerances on Length

                                                                                          Unit: mm

Hot-rolled base metal used  Cold-rolled base metal used

+ 15

    0

+ 15

     0