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12595 2 705 12595, JUNGWANGDONG, SHIHUNGSI, KYEONGGIDO, KOREA

1 , JUNGWANGDONG, SHIHUNGSI, KYEONGGIDO, KOREA TEL : (Rep.) FAX :

Introduction of the company ( ) We were established as an independent incorporation under the name of Shinwha Special Steel Co., Ltd. in 1995.

tool steel strip by the latest cutting edge automatic line based on our accumulated knowledge and technologies.

owing to the M&A with Dongkuk Ind. in 2004.

2 Introduction of the company ( ) We were established as an independent incorporation under the name of Shinwha Special Steel Co., Ltd. in The company has expanded its production line at Sihwa main factory in 1997 and is now producing and supplying Coldrolled Strips for springs, carbon steel strips for machine structural use and carbon tool steel strip by the latest cutting edge automatic line based on our accumulated knowledge and technologies. Our quality management system with ISO9002 certificate has accelerated more reliability on our product s quality, getting a good opportunity to beef up our competitive power internally and exterually owing to the M&A with Dongkuk Ind. in In addition, we have completed the mass production line system by putting new investment of the production line since 2005 so that we can step forward to expanding the market to home and abroad. we will be your reliable partner with the best service and best quality. company profile ( ) Jan Established Shinwha Special Steel Co.,Ltd. (In the export complex of Incheon City) Sept New factory constructed in Sihwa Industrial Complex. Dec Incheon branch set up. Aug Completed the Sihwa factory of Shinwha Special Steel Co.,Ltd. June.1998 Started the export to South East Asia, Europe, Japan and China. June.1999 ISO 9002(KS A9002, EN ISO 9002)certified. July Designated as an export promising company. Nov Million Dollar Export Tower awarded. Jan IMS(Information Management System) certificate obtained Dec Dongkuk Ind. M&A(paidin capital increase: 10 Billion KRW) Feb Daewon Steel co., Ltd. company name changed. Oct Representative director changed. (Representative director Lim Soon Myung) Mar HiCold Rolling Reversing mill Completed. July Nominated as a frontier company for internet trade in Gyeonggi. Nov Factory office and factory building expanded. Manufacturing Facilities ( ) Raw material slitter ( ) Annealing facility Cold rolling mill Product slitter Inspection Facilities ( ) Optical emission spectrometer ( ) Universal testing machine ( ) Micro vickers hardness tester () Rockwell hardness tester () Micro scope Contents ( ) 4 Manufacturing process 6 Applications 8 Manufacturing facilities 10 Raw Material slitter 11 Hydrogen annealing furnace 12 20Hicold Rolling reversing mill 13 6Hicold Rolling reversing mill 14 4Hicold Rolling reversing mill 15 Product slitter 16 Packing 17 Available dimension 18 Tolerances 19 Finishing and hardness 20 Steel grades and chemical composition 22 Comparative hardness table 2 3

3 Manufacturing Process 20 HiCold Rolling Reversing Mill Annealing Line Skin Pass Line Slitting Line Hot Rolled Steel Coil Cold Rolled Steel Coil 6 HiCold Rolling Reversing Mill Slitting Line Packing Line 4 HiCold Rolling Reversing Mill Annealing Line Skin Pass Line 20 HiCold Rolling Reversing mill 6 HiCold Rolling Reversing mill 4 HiCold Rolling Reversing mill Annealing Line Slitting Line Slitting Line 4 5

Applications Springs SUP 10M Razor Blade Cutlery () SK2M SK2MCR4 Hack saws ()

springs () Springs Cutlery () Knitting needles ( ) SK4M Measuring tape ()

for woodworking and lumbering ( ) Round saws Officeequipment parts ( ) SK5M

Officeequipment parts ( ) Friction plates S35CM Cluch parts Chain parts

Chain parts Springs Cluch parts Chain parts Washers () Safety buckles () S50CM

S55CM Chain parts Hand saws for woodworking Safety shoes Springs

Washers () S65CM Washers () Hand saws for woodworking Officeequipment parts (

steels Carbon steels CrMo steels Alloy tool steels Cold rolled steels SCM 415M

SPCC Machinery Parts SPCD SPCE Machinery Parts Machinery Parts SKS 5M Cutlery

4 Applications Springs SUP 10M Razor Blade Cutlery () SK2M SK2MCR4 Hack saws () Cutlery () Springs SK3M Measuring tape () Razor Blade Pen points () Windup springs () Springs Cutlery () Knitting needles ( ) SK4M Measuring tape () Gauges () Springs Cutlery () Knitting needles ( ) Gauges Cluch parts Band saws for woodworking and lumbering ( ) Round saws Officeequipment parts ( ) SK5M SK5M MO Washers() Clutch parts ( ) Cutlery () Springs SK6M Retainers S30CM Officeequipment parts ( ) Friction plates S35CM Cluch parts Chain parts Retainers Washers () S45CM Measuring tape () Structureal parts for cameras Chain parts Springs Cluch parts Chain parts Washers () Safety buckles () S50CM Springs Safety shoes Can openers Thompson blades Structureal parts for cameras S55CM Chain parts Hand saws for woodworking Safety shoes Springs Officeequipment parts ( ) Washers () S60CM Safety shoes Cluch parts Springs Washers () S65CM Washers () Hand saws for woodworking Officeequipment parts ( ) Springs S70CM Cluch parts Washers () Springs S75CM Carbon tool steels Spring steels Carbon steels CrMo steels Alloy tool steels Cold rolled steels SCM 415M Chain Parts Thompson blades SCM 435M Chain Parts Officeequipment parts ( ) SPCC Machinery Parts SPCD SPCE Machinery Parts Machinery Parts SKS 5M Cutlery Round saws Band saws for woodworking and lumbering SKS 51M Cutlery Round saws Band saws for woodworking and lumbering 6 7

5 Manufacturing Facilities Raw materials slitter 20 Hicold rolling reversing mill ( ) Hydrogen annealing furnace 6 Hicold rolling reversing mill ( ) Products slitter ( ) Packing () 8 9

6 Raw Materials Slitter Hydrogen Annealing Furnace Raw material slitter Capacity : 5,000Ton/Month Available Thickness : 0.5~5.4mm Available Width : 100~1,300mm Unit Weight : 20Ton/coil Hydrogen annealing furnace Capacity : 70,000Ton/Year Available Thickness : 0.1~5.4mm Unit Weight : 25Ton/base Out Diameter : max. 1,550mm 10 11

7 20Hicold Rolling Reversing Mill 6Hicold Rolling Reversing Mill 20Hicold rolling reversing mill Capacity : 5,000Ton/Month Available Thickness : 0.1~3.5mm Available Width : 350~630mm 6Hicold rolling reversing mill Capacity : 5,000Ton/Month Available Thickness : 0.1~5.4mm Available Width : 150~420mm 12 13

4Hicold Rolling Reversing Mill Products Slitter

Capacity : 4,000Ton/Month Maximum coil weight :

8 4Hicold Rolling Reversing Mill Products Slitter 4Hicold rolling reversing mill Capacity : 1,500Ton/Month Available Thickness : 0.1~2.3mm Available Width : 100~320mm Products slitter Capacity : 4,000Ton/Month Maximum coil weight : 5ton Strip thickness : 0.1mm~4.5mm Strip width : 6mm~630mm 14 15

9 Packing Available Dimension Thickness (mm) Width(mm) Available Dimension Type Available Dimension () Thickness (mm) 0.1 ~ 4.5 Width (mm) 6 ~ 600 Inner Diameter (mm) 320, 408, 508 Out Diameter (mm) 650 ~ 1,

10 Tolerances Finishing and Hardness Thickness tolerance ( ) (Unit : mm) Finishing Width Thickness tolerance ( ) Thickness Width( )< Width( )< Width( )< T <0.15 ± ± ± T <0.25 ± ± ± T <0.40 ± ± ± T <0.60 ± ± ± T <0.90 ± ± ± T <1.20 ± ± ± T <1.60 ± ± ± T <2.10 ± ± ± T <3.00 ± ± ± T <4.00 ± ± ± T <4.50 ± ± ± Symbol Condition Classification() Annealed Annealed after cold rolling A Skinpassed Annealed and skinpass after cold rolling S Cold rolled as cold rolled R Hardness ( ) Classification Steel grade Skinpassed Cold rolled S 30 CM Hv Max. 150 Hv 150~240 Width tolerance ( ) (Unit : mm) Thickness( ) Width tolerance ( ) Width( ) < Width( ) < Width( ) < T <0.25 ± 0.10 ± 0.20 ± T <0.60 ± 0.15 ± 0.20 ± T <1.20 ± 0.20 ± 0.30 ± T <4.50 ± 0.25 ± 0.40 ±0.40 S 35 CM Hv Max. 150 Hv 150~240 S 45 CM Hv Max. 160 Hv 160~240 Carbon steel S 50 CM Hv Max. 170 Hv 170~260 S 55 CM Hv Max. 170 Hv 170~260 S 60 CM Hv Max. 180 Hv 170~280 S 65 CM Hv Max. 180 Hv 170~280 S 70 CM Hv Max. 190 Hv 170~280 S 75 CM Hv Max. 190 Hv 170~280 SK 2 M Hv Max. 220 Hv 220~300 Carbon tool steel SK 3 M Hv Max. 220 Hv 220~300 Camber (Unit : mm) SK 4 M Hv Max. 210 Hv 210~280 SK 5 M Hv Max. 200 Hv 200~280 Width( ) Camber Standard length 2,000 Remark SK 6 M Hv Max. 190 Hv 190~260 Alloy tool steel SKS 5M Hv Max. 200 Hv 200~280 6 W <30 12 SKS 51M Hv Max. 210 Hv 210~ W < W <80 6 CrMo Steel SCM 415M Hv Max. 160 Hv 160~230 SCM 435M Hv Max. 180 Hv 180~ W <400 4 Spring steel SUP 10M Hv Max. 200 Hv 200~

11 Steel Grades and Chemical Composition Symbol Steel grade KS GB JIS DIN BS SAE/AISI Chemical Composition C Si Mn P S Cu Ni Cr Ni+Cr Mo W V S 30 CM 30 S 30 CM MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX 0.35MAX S 35 CM 35 S 35 CM MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX 0.35MAX S 45CM 45 S 45CM Ck MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX 0.35MAX Carbon steel S 50 CM S 55 CM S 50 CM S 55 CM Ck MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX 0.35MAX MAX 0.030MAX 0.30MAX 0.20MAX 0.20MAX 0.35MAX S 60 CM 60 S 60 CM Ck60 CS MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX S 65 CM 65 S 65 CM MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX S 70 CM S 70 CM Ck75 CS MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX S 75 CM S 75 CM CS MAX 0.035MAX 0.30MAX 0.20MAX 0.20MAX SK 2M Cr 4 SK 2M Cr MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX 0.25MAX SK 2 M T12 SK 2 M C125W2 BW1C MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX 0.25MAX 0.30MAX Carbon tool steel SK 3 M SK 4 M T10 SK 3 M SK 4 M C105W2 BW1B MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX 0.25MAX 0.30MAX MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX 0.25MAX 0.30MAX SK 5 M Mo T8 SK 5 M MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX 0.25MAX 0.30MAX SK 5 M SK 6 M C105W2 BW1B MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX 0.25MAX 0.30MAX Alloy tool steel SKS 5M SKS 51M SKS 5M SKS 51M MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX MAX 0.50MAX 0.030MAX 0.030MAX 0.25MAX SCM 415M 15CrMo SCM 415M 15CrMo MAX 0.030MAX 0.30MAX 0.25MAX CrMo steel SCM430M SCM 435M 35CrMo SCM 430M SCM 435M 35CrMo4 708A30 708A MAX 0.030MAX 0.30MAX 0.25MAX MAX 0.030MAX 0.30MAX 0.25MAX SCM 440M SCM 440M 42CrMo MAX 0.030MAX 0.30MAX 0.25MAX Spring steel SUP 10M 50CrVA SUP 10M 50CrVA En MAX 0.035MAX 0.30MAX SPCC SPCC 0.12MAX 0.50MAX 0.040MAX 0.045MAX Cold rolled steel SPCD SPCD 0.10MAX 0.45MAX 0.035MAX 0.030MAX SPCE SPCE 0.08MAX 0.40MAX 0.030MAX 0.030MAX 20 21

12 Comparative Hardness Table Vickers Brinnel Rockewell(HR) Rockwell Supertical Shore T/S Vickers (Hv) (Hb) HrA HrB HrC HrD 15N 30N 45N (HS) N/mm 2 kgf/mm 2 (Hv) (110.0) (109.0) Vickers Brinnel Rockewell(HR) Rockwell Supertical Shore T/S Vickers (Hv) (Hb) HrA HrB HrC HrD 15N 30N 45N (HS) N/mm 2 kgf/mm 2 (Hv) (108.0) (107.0) (105.5) (104.5) (103.5) (102.0) (101.0) (18.0) (15.7) (13.4) (11.0) (8.5) (6.3) (3.0) (0.0)

2) Available Sizes 공급 가능 (1) A열연 1 30Kg급 900 1300 < 40 2 40Kg급 900 1300 < 40 3 50Kg급 900 1000 1100 사전협의 필요 (Please consult us in advance) < 1.6 < 1.9

2) Available Sizes 공급 가능 (1) A열연 1 30Kg급 900 1300 < 40 2 40Kg급 900 1300 < 40 3 50Kg급 900 1000 1100 사전협의 필요 (Please consult us in advance) < 1.6 < 1.9 1) Standard & Applications 제품 및 용도 용도 Applications 열간압연 연강재 Hot Rolled Mild Steel Plate, Sheet 냉연용 탄소강재 Reduced Carbon Steel for Cold Rolled Steel 일반구조용 Rolled Steel for General Structure 용접구조용 Rolled