:: Hot Rolled Coils :: A/SA516-70, A/SA515-70, ST52-3, S355J2+N, SAILMA 350HI, SAILMA 450HI

Hot Rolled Coils

HOT ROLLED COIL

Hot Rolled Coil Processing

KHOPOLI / TALOJA

CR/HR Slitting CR/HR Cut to length

Material Specifications

Material
Mild Steel/Medium & High Carbon

Tensile Strength
29-58 kg / mm²

Thickness
0.3 - 8 0.3 - 8

Input Coil Specifications

ID

508 - 760

508 - 650

OD

1000 - 2000

1000 - 2000

Weigth (MT)

30

30

Width (mm)

100 - 2000

100 - 2000

Output Coil / Sheet Specification

ID

508 / 762 / 850

OD

1000 - 2000

Weigth (MT)

20

10

Width (mm)

20 - 2000

20 - 2000

Tolerance
Slit Width:+/-0.25mm

Length:+/-1mm/ m, diagonal difference 1 mm/m, camber 1 mm/m

HR Standards

Specification Grade Chemical Composition (max permissible limit for each element) Mechanical Properties Remarks

C% Mn% P% S% Si% Al%
(min) N ppm
(max) MA/Others% YS(MPA)
(min) TS(MPA)
(min) Elongation%
(min)

IS 1977 Fe290 0.25 1.25 0.055 0.055 165 290-390 23 General structural applications

Fe330 0.25 1.25 0.055 0.055 170 330-440 23

Fe370 0.25 1.25 0.055 0.055 215 370-470 23

IS 2062 A 0.23 1.6 0.05 0.05 0.4 120 Cu between 0.2 & 0.35% for Cu bearing steel 250 410 23 General structural applications, Corrosion resistant Steel with Cu

B 0.22 1.5 0.045 0.045 0.4 120 250 410 23

C 0.2 1.5 0.04 0.04 0.4 120 250 410 23

IS 10748 I 0.1 0.5 0.05 0.05      170 290 30 Tube Making

II 0.12 0.6 0.05 0.05 210 330 28

IS 11513 O 0.15 0.6 0.055 0.055 0.02* Cold Reduction & for manufacture of Galvanized sheets
*For Al Killed
1=thickness=3mm
2=thickness>3mm

D 0.12 0.5 0.04 0.04 0.02* 280 270-410

DD 0.1 0.45 0.035 0.035 0.02* 250 270-370 17¹ /23²

EDD 0.08 0.4 0.03 0.03 0.02* 220 270-350 18¹ /25²

IS 6240 B 0.20 0.90 0.035 0.035 0.25 0.02 100 240 350-450 25 LPG Cylinder

IS 1079 O 0.15 0.6 0.055 0.055 0.02 120 General structural applications

EL for upto3mm
thickness

D 0.12 0.5 0.04 0.04    0.02 120 240-400 28

DD 0.1 0.45 0.035 0.035 0.02 120 260-390 28

EDD 0.08 0.4 0.03 0.03 0.02 120 260-380 32

IS 8500 Fe 540 B 0.2 1.6 0.04 0.04 0.45 MA = 0.25 max.
Impact test for B quality at
0°C,-20°C 410 540 20 High tensil Structural Applications
YS can be lower for thickness =16mm

Fe 570 0.22 1.6 0.04 0.04 0.45 450 570 20

Fe 570 B 0.22 1.6 0.04 0.04 0.45 450 570 20

Fe 590 0.22 1.8 0.04 0.04 0.45 450 590 20

Fe 590 B 0.22 1.8 0.04 0.04 0.45 450 590 20

IS 2002 1 0.18 0.50/1.2 0.035 0.04 0.15/0.35 120 CU = 0.10max.
Al = 0.022max. 235 360-480 24 Boiler quality YS can be lower forthickness =16mm

2 0.2 0.50/1.2 0.035 0.04 0.15/0.35 265 410-530 22

3 0.22 0.5/1.2 0.035 0.04 0.15/0.35 290 460-580 21

IS 5986 Fe330 0.17 1 0.045 0.045 NB+V+Ti = 0.20max. 205 330-440 18¹/25² Hamilton Poles, Flanging, High tensile structural fabrication
1=thickness=3mm
2=thickness>3mm

Fe360 0.17 1.2 0.045 0.045 235 360-470 18¹/25²

Fe410 0.2 1.3 0.045 0.045 255 410-520 17¹/23²

Fe510 0.2 1.5 0.045 0.045 355 510-620 16¹/20²

JIS G 3116 SG255 0.2 0.3min 0.04 0.04 0.35 0.02 255 400 28 High-pressure Steel Gass Cylinder

SG295 0.2 1 0.04 0.04 0.35 0.02 295 440 26

JIS G 3114 SMA 400AW 0.18 1.25 0.035 0.035 0.15/0.65 Nb+Mo+Ti<0.15 245-365 400-540    Atmospheric Corrosion Resistant

JIS G 3103 0.24 0.9 0.35 0.04 0.15/0.30        226 412-549        Boiler quality applications

JIS G 3132 SPHT-1 0.1 0.5 0.04 0.04 0.04           270 30-37* Tube making *Different EL for different thickness

SPHT-2 0.18 0.6 0.04 0.04 0.03          340 25-32*

SPHT-3 0.25 0.30/0.90 0.04 0.04 0.03          410 20-27*

JIS G 3125 SPAH 0.12 0.2/0.5 0.07/0.15 0.04 0.25/0.75 Cu = 0.25/0.6,
Ni = 0.65max. 335 463 22 Corrosion resistant BHN 180 min Cr 0.5/0.8

JIS G 3131 SPHC 0.15 0.6 0.05 0.04 0.04     270 29-31* Cold Rolling & General fabrication
*Different EL for different thickness

SPHD 0.1 0.5 0.05 0.05 0.04    270 30-39*

SPHE 0.1 0.5 0.03 0.035 0.04    270 31-41*

JIS G 3106 SM 400A 0.23 0.035           Mn = 2.5 x Cmin 245 400-510 23 Structural fabrication Impact test may be required

SM 490A 0.2 1.6 0.035 0.55         325 490-610 22

SM 520B 0.2 1.6 0.035 0.55         365 520-640 19

SM 570 0.18 1.6 0.035 0.55 460 570-720 19

JIS G 3101 SS330 0.05` 0.05 205 330 430 21 26 General engg %el as per thickness

SS400 0.05 0.05    245 400 510 17,21

SS490 0.05 0.05       285 490 610 15,19

S540 0.05 0.05       400 540 13,16

JIS G 3113 SAPH310 0.04 0.04    0.02 185,175 330 16.40 different ys &%elkfor different sample auto sector application

SAPH370 0.04 0.04 0.02 215, 225 370 25,37

SAPH440 0.04 0.04 0.02 305, 295, 275 440 22,34

DIN 1614 STW24 0.08          0.02 320 (MAX) 410 (MAX) 34 cold rolling and drawing welded steel tubes

STW23 0.1             0.02 410 (MAX) 31

STW22 0.1             0.02    410 (MAX) 29

DIN 17100 qst37.2 0.17 0.05 0.05 90 235 340 470 26 general structural/ engg fabrication

qst44.2 0.21 0.04 0.04 90 275 410 540 22

qst52.3 0.2 0.04 0.04 0.55     MA 0.2 max 355 490 640 22

SS 4012A E34 0.1 0.7 0.03 0.03 0.2 0.02    MA 0.2 max 340 412 492 490 auto sector application

E38 0.1 1 0.03 0.03 0.04 0.02     372-470 440 560 27

BS 4360 43A 0.2 1 0.05 0.05 0.5    235 340 400 25 general engg weldable structural fabrication

43c 0.18 1.5 0.04 0.04 0.5 0.02    275 430 580 22

50a 0.23 1.6 0.05 0.05 0.5      nb&b = 0.003-0.1 355 490 640 20

55c 0.22 1.6 0.04 0.04 0.6       nb = 0.003-0.1 v = 0.003-0.2 450 550 700 19

BS 1449 hr1 0.08 0.45 0.025 0.03    170 290 25 cold forming general engg

hr2 0.08 0.45 0.03 0.035       170 290 25

hr3 0.1 0.05 0.04 0.04       170 290 21

API 5L X 42 0.28 1.25 0.03 0.03       289 413 pipe for oil sector

60 0.26 1.35 0.03 0.03    413 517

70 0.23 1.6 0.03 0.03       482 565

BSK 46 0.12 1.4 0.03 0.03 0.1 0.03 max ma0.02 max 451 490 627 21 auto sector application

SAE 1020 0.18/ 0.23 0.4/ 0.6 0.03 0.03 0.05 310 320 440 15 propeller shaft general engg

SAE 1541 0.36/ 0.44 1.35/ 1.65 0.035 0.03 0.15/ 0.35 fork for two wheeler

SAE 1012 0.10/ 0.15 0.30/ 0.6 0.04 0.05 0.1 wheel disc general enng

IRS M 41 0.1 0.25/ 0.45 0.075/ 0.115 0.045 0.28/0.27 cu ni cr 430 380 22 rail coaches wagons

ASTM a622 0.1 0.5 0.025 0.035 250 400 550 18 21 tmbp

a621 0.1 0.5 0.025 0.035 cold rolling and general application.

Certificate & Inspection : c/w Calibration Works Certificate EN10204 3.1 Mill Test Report, NACE MR-01-75/ISO-15156, European Pressure Equipment Directive PED 97/23/EC, AD 2000-WO, ASME Boiler & Pressure Vessel Code Section-II Part-A Edition 2008, API 6A, with 3.2 certificate duly certified & approved by LRS-Lloyd's Register, GL-Germanischer Lloyd, BV-Bureau Veritas, DNV-Det Norske Veritas, ABS-American Bureau of Shipping, SGS, TUV, RINA, IRS, NORSOK APPROVED STANDARD M630, M650 Rev.3

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Contact Us

Company Name :

Unisteels & Engineering Co. (P) Ltd.

Company Address :

52/52A, Islampura Street, Near Alankar
Cinema, Mumbai-400004, India

Phone :

91-22-2380 6452 / 6659 5316 / 6743 6950

Fax :

91-22-2386 4507

Contact Person :

Mr. Pukhraj Shah

Mobile :

0091-93240 49344

info@unisteels.in