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iHot Rolled Steel plates. sheets. strips and flats for f1enging High strength low carbon hot rolled Hot rolled carbon steel sheets and strips (IS 1079: 199.4)
Cold Rolled low carbon steel sheets and strips
MATERIAL PROPERTIES and forming operation (fS 5936 : 1992) steel sheets and plates (SS 4012 A) (IS 513: 1994)
Fe 330 Fe360 Fe 4f(t Fe 510 E34 E'38 HRO HRD HROO HREOD CRO CRO CRDD I CREDO
ICHEMICAL COMPOSmON
!Carbon (C) % 0.17 Max 0.17 Max 0.20 Max 0.20 Max 0.10 Max 0.10 Max . 0.15 Max 0.12 Max 0.10 Max O.O&M~ 0.15 Max 0.12 Max 0.10 Max 0.08 Max
'Mangane.e (Mn) % 1.00 Max 1.20 Max 1.30 Max 1.50 Max 0.70 Max 1.00 Max 0.60 Max 0..50 Max 0.40 Max 0.40 Max 0.60 Max 0.50 Max 0.45 Max , 0.40 Max
Phoaphorus (P) % 0.045 Max 0.045 Max 0.045 Max 0.045 Max 0.03 Max 0.03 Max 0.055 Max . 0.040 Max 0.035 Max 0.030 Max 0.0.55 Max 0.040 Max 0.035 Max 0.030 Max
Sulphur (S) % 0.045 Max 0.045 Max 0.045 Max 0.045 Max 0.03 Max 0.03 Max 0.055 Max 0.040 Max 0.035 Max 0.030 Max 0.055 Max 0.040 Max 0.Q35 Max 0.030 Max
Aluminium (AI) % 0.01 Mln 0.01 Min ·0.01 Min 0.91 Min 0.02-0.05 0.02-0.05 0.Q1Mln 0.01Mln 0.01 Mln 0.01Min 0.0$-0.20 0.06-0.20 0.06-0.20 0.06-0.20
SIEcon (Sf) % 0.03Mln 0.03 Min 0.03Mln 0.03 Min 0.20 Max 0.40 Max 0.03 Mln 0.03Min 0.03Mln O.O~Mln 0.10Mln 0.10Mln 0.10Min 0.10 Mln
/-job/um (Nb) % O.2DMax 0.20 Max 0.20 Max 0.20 Max 0.055 Max 0.055 Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max
TItanium (TI) % 0.20 Max 0.20 Max 0.20 Max 0.20 Max 0.045 Max 0.045 Max .0.20Max . 0.20 Max 0.20 Max O.2QMax 0.20 Mal( 0.20 Max 0.20 Max 0.20 Max
VanadlumM% 0.20M.x 0.20 Max 0.20M.x 0.20 Max 0.0515Max 0..095 Max 0.20 Max. 0.20Mu a.20Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max 0.20 Max
Boron" 0.001 Max 0.001 M.x 0.001 Max 0.001 Max 0.006 Max O.ooe M,x 0.006 Max '0.005 MIIX 0.10 ~IIX 0.10 Max 0.10 Max 0.10 Max
Nitrogen % 0.012 MIIX 0.012 Max 0.012 Max 0.012 Max 0.012 Max 0.012 Max 0.012 Max 0.012M.x 0.007 Max 0.007 Max 0.007 Max 0.007 Max
Copper (Cu) % 0.17-0.38 0.17-0.38 0.17-0.3& 0.17-0.38 0.17-0.38 0.17,.0.38 0.17-0.3& 0.17-0.38 0.17-0.3& 0.17-0.38 0.17-0.38 0.17-0.3&
MECHANICAl PROPERTIES -Tensile strength Mpe"N/mm2 330-440 360-470 410-520 51~20 390-490 441-559 - 240-300 260-390 260·380 - 270-410 270-370 270-350
Yield stress Mpa. 205Mln 235Mln 255Min 355Min 335-410 372-460 - - - - - 280 Max 250 Max 220 Max
'4 Elongation 27 min 25mln - 25Min 28M!n 32M!n - 23Min 28Min 32Mln
Up to 3 mm thk. 1&Min 18Mln 17Mln 16Mln
Over 3mm tIlk-
25Min 25Mln 23Min 20Mln
HARDNESS (HBS) .. - 65 57 50
, ..... r
INTERNAL DIAMETER FOR BEND TEST
Up to & Incl. 12 t t 2t 2t 0.5t (Up to 7mm thk) 0.5t . Clo.e - Clo•• t FI.t . Flat Flat.2t t
Above 12 2t 2t 3t 3t
WELOABIUTY The materlal.hall be .ult,ble,for gas welding •• rc weldlng,.pot wedin; and roller aetm welding
NOTE: SHADED PROPERTIES ARE APPUCABLE WHEN THE STEEL ISl<ILLEO WITH ALUMiNIUM OR SIUCON OR BOTH OR WITH COPPER BEARING QUAUTY.
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