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MICRO-ALLOYED STEEL

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In category Hot Dip Galvanized steel

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CHARACTERISTICS

Micro-alloyed grade steels are characterized by a fine structure and improved cold formability. The sheets are used for dynamically stressed parts of vehicles.

product forms

Coils

wide strips with a rolled width of 600mm and more, supplied in coils

Strips

cut from wide strips, width less than 600mm, supplied in coils

Sheets

sheets cut from wide strips supplied in sheets

Key features

HX220LAD, HX260LAD, HX300LAD, HX340LAD, HX380LAD, HX420LAD

Grades according to EN 10346:2015

HX220LAD

Grades according to TN USSK 10346-3:2022

CR210LA, CR240LA, CR270LA, CR300LA, CR340LA, CR380LA, CR420LA

Grades according to VDA 239-100:2016

and in corresponding grades according to international (ISO), national technical standards (JIS, ASTM, ....) or other technical standards used in the automotive industry
Grades are produced with zinc coating (+Z - coating designation according to EN 10346:2015 or -GI coating designation according to VDA 239-100:2016) and/or zinc-iron alloy coating (+ZF - coating designation according to EN 10346:2015 or -GA coating designation according to VDA 239-100:2016)

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION

Grades according to
EN 10346/15
TN USSK 10346-3/22
VDA 239-100/16		 Heat analysis in %
CMAX MnMAX SiMAX PMAX SMAX Al TiMAX NbMAX CuMAX
CR210LA-GI, -GA 0,10 1,00 0,50 0,080 0,030 min. 0,015 0,15 0,10 0,20
HX220LAD+Z, +ZF 0,07 0,40 0,04 0,020 0,015 0,020 - 0,060 - 0,025 0,20
CR240LA-GI, -GA 0,10 1,00 0,50 0,030 0,025 min. 0,015 0,15 0,09 0,20
HX260LAD+Z, +ZF 0,11 1,00 0,50 0,030 0,025 min. 0,015 0,15 0,09 -
CR270LA-GI, -GA 0,12 1,00 0,50 0,030 0,025 min. 0,015 0,15 0,09 0,20
HX300LAD+Z, +ZF 0,12 1,40 0,50 0,030 0,025 min. 0,015 0,15 0,09 -
CR300LA-GI, -GA 0,12 1,40 0,50 0,030 0,025 min. 0,015 0,15 0,09 0,20
HX340LAD+Z, +ZF 0,12 1,40 0,50 0,030 0,025 min. 0,015 0,15 0,10 -
CR340LA-GI, -GA 0,12 1,50 0,50 0,030 0,025 min. 0,015 0,15 0,09 0,20
HX380LAD+Z, +ZF 0,12 1,50 0,50 0,030 0,025 min. 0,015 0,15 0,10 -
CR380LA-GI, -GA 0,12 1,60 0,50 0,030 0,025 min. 0,015 0,15 0,09 0,20
HX420LAD+Z, +ZF 0,12 1,60 0,50 0,030 0,025 min. 0,015 0,15 0,10 -
CR420LA-GI, -GA 0,12 1,65 0,50 0,030 0,025 min. 0,015 0,15 0,09 0,20

MECHANICAL PROPERTIES

Grades according to
EN 10346/15
TN USSK 10346-3/22
VDA 239-100/16		 Rp0,2
[MPa]		 Rm
[MPa]		 A MIN (%)
Lo = 80 mm		 r0
min.		 rm
min.		 n0
min.
CR210LA-GI, -GA2) 210 - 300 310 - 410 29 1,0 1,1 0,15
HX220LAD+Z, +ZF min. 220 min. 340 28; (26)1) - - -
CR240LA-GI, -GA2) 240 - 320 320 - 420 27 - - 0,15
HX260LAD+Z, +ZF 260 - 330 350 - 430 26; (24)1) - - -
CR270LA-GI, -GA2) 270 - 350 350 - 460 25 - - 0,14
HX300LAD+Z, +ZF 300 - 380 380 - 480 23; (21)1) - - -
CR300LA-GI, -GA2) 300 - 380 380 - 490 23 - - 0,14
HX340LAD+Z, +ZF 340 - 420 410 - 510 21; (19)1) - - -
CR340LA-GI, -GA2) 340 - 430 410 - 530 21 - - 0,12
HX380LAD+Z, +ZF 380 - 480 440 - 560 19; (17)1) - - -
CR380LA-GI, -GA2) 380 - 470 450 - 570 19 - - 0,12
HX420LAD+Z, +ZF 420 - 520 470 - 590 17; (15)1) - - -
CR420LA-GI, -GA2) 420 - 520 480 - 600 17 - - 0,11

1) valid for ZF surface
2) reduction of the prescribed values for GA coated products graded by thickness:
          t < 0,60 mm - 4 - 0,4 - 0,2
          0,60 mm ≤ t ≤ 1,60 mm - 2 - 0,2 - 0,15
          t > 0,60 mm - 2 - 0,4 - 0,2
grades according to EN 10346/15 A TN USSK 10346-3/22 tested in the transverse direction
grades according to VDA-239-100/16 tested in the longitudinal direction

transversal sampling

DIMENSIONS OF SHEETS AND COILS [ MM ]

HX260LAD, CR270LA, HX300LAD, CR300LA

Nominal thickness   800 990 1190 1300 1500
0,40 - 0,59            
0,60 - 0,79          
0,80 - 1,29        
1,30 - 2,00      

DIMENSIONS OF SHEETS AND COILS [ MM ]

HX340LAD, CR340LA, HX380LAD, CR380LA

Nominal thickness   800 900 1100 1180 1240 1300
0,50 - 0,59              
0,60 - 1,09            
1,10 - 1,49          
1,50 - 1,89        
1,90 - 2,00      

DIMENSIONS OF SHEETS AND COILS [ MM ]

HX420LAD, CR420LA

Nominal thickness   800 1160 1300 1360 1400
0,75 - 1,19            
1,20 - 1,79          
1,80 - 1,89        
1,90 - 2,00      
Nominal thickness Sheet length Coil diameter Slit coil width Nominal coil weight
[kg.mm -1 of width]
inner outer
0,40 - 2,00 1 000 - 3 100 approx. 500 max. 1 400 40 - 600
(depending on sheet thickness)		 3 - 9,9
approx. 600
2 - 9,4

NOTE: - thickness is graded by 0,01 mm, width is graded by 5,0 mm, length is graded by 5 mm
- nominal thickness includes zinc coat

Dimensional tolerances according to EN 10143:2006. Tighter tolerances by agreement.

If you need specific parameters that are not listed here, please contact us

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