DDDDAEHAN STAINLESS STEEL
DAEHANSPECIAL STEEL STAINLESS PIPE STAINLESS
STAINLESS SPECIAL STEELSTAINLESS PIPE
DAEHAN SPECIAL STEEL CO.,LTD.HEAD OFFICE : 246-2, HAKJANG-DONG, SASANG-KU, BUSAN, KOREATEL_82-51-325-2225 FAX_82-51-325-2230FACTORY : 5-1, SOJU-DONG, YANGSAN--CITY, GYUNGNAM, KOREATEL_82-55-362-8081~6 FAX_82-55-362-8087, 8074Hompage_http://www.steel-stainless.co.kr
DAEHAN STAINLESS PIPE CO.,LTD.HEAD OFFICE : 885-1, DAE DAE-RI, UNGCHON-MYUN, ULJU-KUN, ULSAN, KOREATEL_82-52-222-8088 FAX_82-52-222-1500FACTORY : 233-1, SOJU-DONG, YANGSAN--CITY, GYUNGNAM, KOREATEL_82-55-386-9081~4, 9086~7 FAX_82-55-386-9088, 9071Hompage_http://www.suspipe.co.kr
DAEHAN STAINLESS CO.,LTD.HEAD OFFICE : 233-1, SOJU-DONG, YANGSAN--CITY, GYUNGNAM, KOREATEL_82-55-386-9081~4, 9086~7 FAX_82-55-386-9088, 9071FACTORY : 885-1. DAE DAE-RI, UNGCHON-MYUN, ULJU-KUN, ULSAN, KOREATEL_82-52-222-8088 FAX_82-52-222-1500Hompage_http://www.stainless.co.kr
DAEHAN STAINLESS STEEL
DAEHAN STAINLESS STEELis
a mature corporation which takes responsibility
for the human race and societies.
As an enterprise in order to provide satisfactory
services to our customers, we put our best effort to
add more prosperous aspects to people’s lives
through our products in a friendly manner.
BIGH U M A N I S M
BIGV I S I O N
DAEHAN SPECIAL STEEL
Daehan Special Steel Co.,Ltd products Cold Rolled Steel and then,
the products being used in the various use of structure pipe, Parts
of Electric
and Electronic, Water pipe, Pin tube and Auto-motor Muffler.
And also, having been starting to the domestic market and
exporting to overseas
our company continually would be developed as the leading company
to product
Cold Rolled Steel.
Our philosophy is straightforward.
It is to satisfy needs of customers with high quality products, satisfactory customer services, and
competitive prices.
This philosophy has guided Daehan Stainless Steel Group to grow from a small local company
serving mainly the Korean market to a large scale international business group which now sells
products to Asia-Pacific and North America. We also aim to provide our high quality products to
other new markets such as Europe and Africa.
Daehan Stainless Steel Group (DSSG) was founded in 1981 and now is a leading manufacturer
in the area of stainless steel and mild steel products in Korea. Our group is comprised of three
steel companies. These are Daehan Special Steel Co.Ltd., Daehan Stainless Pipe Co.Ltd and
Daehan Stainless Co.Ltd. Our group keeps a tradition of a strong union to provide quality
products to our customers. We have recently expanded production capabilities to other industries,
primarily the automotive parts industry to become more versatile as a leading steel provider.
Daehan Stainless Steel Group continues to keep a partnership with leading companies in the
world to develop more cutting-edge and high quality products to our customers. We look forward
to selling our quality products to worldwide customers whom we can offer our experiences,
world-class technology and very-best stainless products for years to come.
Thank you.
Chair-Man Kim Sung Hoon
DAEHAN STAINLESS STEEL promises you to become a worldleader in steel products that brings you the best impression always.
Greetings
Tolerance in thickness
DAEHAN SPECIAL STEEL [06 07]
3.00
2.50
2.00
1.50
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.08
0.05 1 2 3 4 5 6 7 8 9 10 20 100 150 200 250 300 400 500 600 700Width(mm)
Thickn
ess(mm)
Range of production
DAEHAN SPECIAL STEEL
1995. 01 A change of Business name as Daehan Special Steel
1998. 05 Beginning to produce Stainless 409(L) for Automobile Mufflers
1999. 03 Acquisition of a Certificate of ISO 9001 Quality Management Systems
2000. 08 Acquisition of a Certificate of nuclear energy ASME Quality
2003. 05 Foundation of the Second Factory in the So-Ju industrial area, Yang-San
2004. 07 Completion of Installment of Z-Mill(including 20 rolls) in the second factory in So-Ju industrial area.
2005. 09 Completion of Installment of 1300 Slitter Line in the second factory in So-Ju industrial area.
2006. 07 Completion of Installment of Tension Leveller Line in the second factory in So-Ju industrial area.
DAEHAN SPECIAL STEEL
Brief History
Factory
● Factory - Hakjang
DAEHAN SPECIAL STEEL [08 09]DAEHAN SPECIAL STEEL
● Tension levellerModified form through cold rolled and
heat treatment is levelled by strong
tension to give flatness.
● SL-LINECold rolling material which processd at
previous process is coated with
protective vinyl and cut in ordered
width.
● 1300SL-LINE
● Packing and Shipping
● ZM-LINEIt is specially designed rolling mill forproducts requiring high strength andprecision, such as stainless steel strip. Itis used to roll hot coil, with tension onboth reels.
● BA-LINEModified internal structure of stainlesssteel occurred during cold rolling isrecovered by heat treatment underoxygen free atmosphere.(Hydrogen,Nitrogen gas) It is divided by degreasingand heat treatment.
● Skin PassIt is process to roll heat treated stainless
strip with load and tension in order to
improve form and give gross.
Factory
● Factory - Yangsan
● ZM-LINE ● BA-LINE
● SL-LINE● Tension leveller
● SKP-LINE
● 1300SL-LINE
Process Flow Chart
DAEHAN SPECIAL STEEL DAEHAN STAINLESS GROUP [10 11]
KS D 3698 CHEMICAL COMPOSITION
MECHANICAL PROPERTY
AAUUSSTTEENNIITTEE
AAUUSSTTEENNIITTEE
FFEERRRRIITTEE
MMAARRTTEENNSSIITTEE
FFEERRRRIITTEE
HHAARRDDNNEESSSS AANNDD BBEENNDD TTEESSTT
TTEENNSSIILLEE SSTTRREENNGGTTHH,, 00..22%% YYIIEELLDD SSTTRREENNGGTTHH,, EELLOONNGGAATTIIOONN
CSP Cold ROLLED STAINLESS STEEL STRIP FOR SPRINGS
MMAARRTTEENNSSIITTEE
TYPE KSCHEMICAL COMPOSITION (%)
C Si Mn P S Cr Ni Many others
301 STS301 ≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0 ~ 18.0 6.0 ~ 8.0 -301L STS301L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0 ~ 18.0 6.0 ~ 8.0 N≤0.20304 STS304 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0 ~ 20.0 8.0 ~ 10.5 -304L STS304L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0 ~ 20.0 9.0 ~ 13.0 -304J1 STS304J1 ≤0.08 ≤1.70 ≤3.00 ≤0.045 ≤0.030 15.0 ~ 18.0 6.0 ~ 9.0 Cu 1.0 ~ 3.0316 STS316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0 ~ 18.0 10.0 ~ 14.0 Mo 2.0 ~ 3.0316L STS316L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0 ~ 18.0 12.0 ~ 15.0 Mo 2.0 ~ 3.0321 STS321 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.0 ~ 19.0 9.0 ~ 13.0 Ti 5×C% Min
TYPE KSCHEMICAL COMPOSITION (%)
C Si Mn P S Cr Many others
Ti 6×C%~0.75
-N 0.025 Max, Cu 0.30~0.80Ti, Nb, Zr or they of mixture 8(C%+N%)~0.80Mo 0.75~1.50, N 0.025 Max, Ti, Nb, Zr orthey of mixture 8×(C%+N%)~0.80Ti, Nb or they of mixture 8×(C%+N%)~0.80, N 0.03 MaxMo 1.75~2.50, N 0.025 Max, Ti, Nb, Zr orthey of mixture 8×(C%+N%)~0.80
409L STR409L ≤0.03 ≤1.00 ≤1.00 ≤0.04 ≤0.03 10.5 ~ 11.75410L STS410L ≤0.03 ≤1.00 ≤1.00 ≤0.04 ≤0.03 11.0 ~ 13.50 430 STS430 ≤0.12 ≤0.75 ≤1.00 ≤0.04 ≤0.03 16.0 ~ 18.0
430J1L STS430J1L ≤0.025 ≤1.00 ≤1.00 ≤0.04 ≤0.03 16.0 ~ 20.0
436L STS436L ≤0.025 ≤1.00 ≤1.00 ≤0.04 ≤0.03 16.0 ~ 19.0
439L STS439 ≤0.030 ≤1.00 ≤1.00 ≤0.04 ≤0.03 17.0 ~ 20.0
444 STS444 ≤0.025 ≤1.00 ≤1.00 ≤0.04 ≤0.03 17.0 ~ 20.0
TYPE KSCHEMICAL COMPOSITION (%)
C Si Mn P S Cr
410 STS410 ≤0.15 ≤1.00 ≤1.00 ≤0.04 ≤0.03 11.5 ~ 13.5420J1 STS420J1 0.16~0.25 ≤1.00 ≤1.00 ≤0.04 ≤0.03 12.0 ~ 14.0420J2 STS420J2 0.26~0.40 ≤1.00 ≤1.00 ≤0.04 ≤0.03 12.0 ~ 14.0
301 STS301 205Min 520Min 40Min 218Max301L STS301L 215Min 550Min 45Min 218Max304 STS304 205Min 520Min 40Min 200Max304L STS304L 175Min 480Min 40Min 200Max304J1 STS304J1 155Min 450Min 40Min 200Max316 STS316 205Min 520Min 40Min 200Max316L STS316L 175Min 480Min 40Min 200Max321 STS321 205Min 520Min 40Min 200Max
HARDNESS(HV)TYPE KS YIELD STRENGTH(N/㎟)
TENSILE STRENGTH(N/㎟)
ELONGATION(%)
409L STR409L 175Min 360Min 25Min 175Max410L STS410L 195Min 360Min 22Min 200Max430 STS430 205Min 450Min 22Min 200Max430J1L STS430J1L 205Min 390Min 22Min 200Max436L STS436L 245Min 410Min 20Min 230Max439 STS439 175Min 360Min 22Min 200Max444 STS444 245Min 410Min 20Min 230Max
HARDNESS(HV)TYPE KS YIELD STRENGTH(N/㎟)
TENSILE STRENGTH(N/㎟)
ELONGATION(%)
410 STS410 205Min 440Min 20Min 210Max420J1 STS420J1 225Min 520Min 18Min 234Max420J2 STS420J2 225Min 540Min 18Min 247Max
HARDNESS(HV)TYPE KS YIELD STRENGTH(N/㎟)
TENSILE STRENGTH(N/㎟)
ELONGATION(%)
TYPE SYMBOL
STS 301-CSP
STS 304-CSP
STS 420J2-CSP
STS 631-CSP
HARDNESS(HV)BENDABILITY
V BEND W BENDHEAT TREATMENT HARDNESS(HV)
½H 310Min Max Thickness 2times Max Thickness 2.5times - -
¾H 370Min Max Thickness 2.5times Max Thickness 3times - -
H 430Min - - - -
EH 490Min - - - -
½H 250Min Max Thickness 2times - -
¾H 310Min Max Thickness 2.5times Max Thickness 3times - -
H 370Min - - - -
0 210Max - - - -
0 200Max Max Thickness 0.5times Max Thickness 1times
½H 350Min Max Thickness 1.5times Max Thickness 2times CH 380Min
¾H 400Min - - CH 450Min
H 450Min - - CH 530Min
As cold rolled or As solution-treated As precipitation-hardened
TH 1050RH 950
345Min392Min
Max Thickness 2timesFor Under Thickness 0.5mmMax Thickness 2.5timesFor Over Thickness 0.5mm
STS 301-CSP
STS 304-CSP
STS 631-CSP
0.2%YIELD STRENGTH
(N/㎟)
0.2%YIELD STRENGTH
(N/㎟)
TENSILESTRENGTH
(N/㎟)
TENSILE STRENGTH
(N/㎟)ELONGATION
(%) HEAT TREATMENT
½H
¾H
H
EH
½H
¾H
H
0
½H
¾H
H
510Min
745Min
1030Min
1275Min
470Min
665Min
880Min
-
-
-
-
930Min
1130Min
1320Min
1570Min
780Min
930Min
1130Min
1030Max
1080Min
1180Min
1420Min
10Min
5Min
-
-
6Min
3Min
-
20Min
5Min
-
-
-
-
-
-
-
-
-
CH
CH
CH
-
-
-
-
-
-
-
880Min
1080Min
1320Min
-
-
-
-
-
-
-
1230Min
1420Min
1720Min
As cold rolled or As solution-treated As precipitation-hardened
TH1050RH950
960Min1030Min
1140Min1230Min
TEMPER SYMBOL
TEMPER SYMBOL
TYPE SYMBOL
DAEHAN STAINLESS GROUP [12 13]
DAEHAN SPECIAL STEEL
CCeellllpphhoonnee PPaarrttss
CCoonnssttrruuccttiioonn PPrroodduucctt PPaarrtt
LLiiffee PPrroodduucctt PPaarrtt
LLCCDD PPaarrttss
DAEHAN SPECIAL STEEL
Our company makes customers happy together with us“YOUR BEST LIFE”
DAEHAN SPECIAL STEEL
BIGK N O W L E D G E
DAEHANSTAINLESS PIPE
Daehan Stainless Pipe Co.,Ltd products and assembles the stainless pipe,
Pipe for press and welding, this products would be exported to not only
Handai Motor, Kia Motor Renault Samsung Motor and Ssangyong Motor
but 10 Motor Companies in overseas countries.
Our company will never satisfied with achievement of today,
going our way up to new advance with high technology
and the most quality of our products.
DAEHAN STAINLESS PIPE
Specialty company which exports a car and a muffler stainless pipe to foreign countriesUl-San factory
By keeping up the latest steel technology and utilizing quality raw materials, we doour best producing the highest quality steel products that respect our customersand societies.
1998. 06 DAEHAN STAINLESS PIPE Foundation in Busan 1989. 05 Development & Production of Stainless Steel Pipe for
Automobile Muffler 1989. 09 Cooperative supplier specified for Hyun-Dai Automobile muffler parts 1997. 08 Acquisition of Invention Patent regarding to the special Tube
Mill Processing method for Automobile Mufflers from the Patent Office(Patent No. 119790)
1998. 06 Appointment of the venture company for New Technology Development from the Small & Medium Business Administration
1999. 10 Acquisition of Invention Patent regarding to the Tube Mill Line Automated cutting method for Automobile Muffiers from the Patent Office(Patent No. 0236701)
1999. 12 Acquisition of Certificate of ISO9002 Quality Systems from KFQ 2000. 09 Acquisition of SQ Certificate SQ from Hyun-Dai and Kia
Automobile Company 2001. 05 Acquisition of Certificate of QS9000 Quality Systems from KFQ 2002. 05 Model medium and small enterprises selected by Busan Bank 2003. 05 System construction ERP2004. 04 "Foundation of the Second Factory
(sites 2000pyong, buildings: 500pyong) 2004. 05 Completion of more ERW(high frequency) Tube Mill Line
line Installment in the Second Factory 2006. 01 Established the new Factory at the So-Ju industrial area in Yan-San city2006. 04 Production & inventory Management system construction2006. 12 Acquisition of the TS16949 certificate2006. 12 Acquisition of Certificate of ISO / TS16949 Quality Systems from KFQ2006. 12 Acquisition of the INNO-BIZ certificate 2007. 08 Production equipment informationalization system construction2007. 12 Venture business authentication acquisition2008. 08 Studying systematization weak earthquake conference winning(gold statue)2009. 07 Acquisition of Certificate of ISO14001 environmental Systems from KFQ
DAEHAN STAINLESS PIPE
Brief History
Yang-San factory
Company IntroductionBeing capable of adopting many changes in the steelindustry, we promise to be a leading stainless steelprovider always.
DAEHAN STAINLESS PIPE [16 17]
DAEHAN STAINLESS PIPE DAEHAN STAINLESS PIPE [18 19]
Factory Head Office
● ERW LINE
Factory Yang-San
● PUNCHING LINE ● TIG WELDING LINE
● RESO A’SSY LINE
●CONVERTER LINE
● AUTO CUTTING LINE
●MANIFOLD LINE
DAEHAN STAINLESS PIPE [20 21]DAEHAN STAINLESS PIPE
LINE T.I.G
Process Flow ChartLINE E.R.W
Process Flow Chart
DAEHAN STAINLESS PIPE DAEHAN STAINLESS PIPE [22 23]
MMAANNIIFFOOLLDD AASSSSYY--EEXXHHAAUUSSTT
Process Flow Chart
O.DT
●MANUFACTURING RANGE
0.5 0.6 0.7 0.8 1.0 1.2 1.5 2.0 2.5 3.0
9.6
12.7
15.8
19.1
22.2
25.4
31.8
38.1
50.8
63.5
76.3
89.1
101.6
114.3
125.0
● THICKNESS TOLERANCES
Outside Diameter Size Tolerances Thickness Size Tolerances Length
Automobile muffler pipe and Hole TUBE are specifically formulated by a strict procedure and a draft. We are capable
of producing products for various international standards or any customized standards. We also produce the construction
decoration pipe.
D<50 ± 0.5 t<4 ±0.6, -0.5 ±50
D≥50 ± 0.1% t≥4 ±15%, 12.5% -0
STS 304TKA
STR 409L
STS 436L
STS 439L
DAEHAN STAINLESS PIPE [24 25]
HHoollee TTuubbee
PPllaannee TTuubbee
MMAANNIIFFOOLLDD CCAATTAALLYYTTIICC AASSSSYY--EEXXHHAAUUSSTT
AAsssseemmbbllyy
CCTTRR RREESSOO AASSSS’’YY
Products
★The above products would be made by OEM
DAEHAN STAINLESS PIPE
TTEESSTT
DAEHAN STAINLESS PIPE
Laboratory1 Micro vickers hardness terter
2 Metallurgical microscope
3 Mounting
4 Polishing
5 Unirersal test machine
6 Cutting machine
7 Three dimensional Measuring instrument
12
3
4
5
6
7
BIGN E T W O R K
DAEHAN
STAINLESS
Our stainless group always pays respect for our customers.
We are making a huge progress in establishing
aboard sales network and customer services worldwide.
You will definitely be satisfied with our first-rate
customer services and our friendly manners.
TEST
STANDARD KS ASTM
D3536 D3576 D3577 D3585 D3595 A-249 A-269 A-270 A-312
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● ● ● ● ● ● ●
● ● ● ● ● ●
● ●
● ● ● ●
● ●
●
● ● ● ● ● ● ● ● ●
● ●
●
HARDNESS TEST
TENSILE TEST
FLATTENING TEST
FLARTING TEST
REVERSE FLATTENING TEST
FLANGE TEST
BENDING TEST
HYDRAULIC TEST
CORROSION TEST
SOLUBILITY TEST
DAEHAN STAINLESS DAEHAN STAINLESS [28 29]
DAEHAN STAINLESS
Brief History
Since established in 1981, Daehan Stainless Co., Ltd. has always been
thriving to produce best quality stainless dinner wares.DAEHAN STAINLESS
To meet the high demands from our customers, we put a large
amount of effort to find more elegant design and better quality products.DAEHAN STAINLESS
Company Introduction
We will always do our best to keep satisfying our customerswith our leading-edge products and with a latest design.
1981. 03 DAEHAN STAINLESS Foundation Busan1981. 05 Completion of productin lines for Stainless
Kitchen Wares & Operation Commencement1988. 03 Registration as a Korean dinnerware exporting company(appointed
as a promising small & medium enterprises for exportation)2000. 08 Appointment of the venture company for new Technology
development from the Small & Medium Business Administration2003. 10 Registration as a domestic corporation
(DAEHAN STAINLESS CO.,LTD.)2004. 1 1 The award of exporting USD 3 Million2005. 03 To Contracted muffler Tips for Lange Rover vehicle2005. 1 1 The award of exporting USD 5 Million 2006. 02 Moving to the factory in the Woongbee Industrial Area2007. 06 Acquisition of the TS16949 / ISO9001 certificate2007. 1 2 Acquisition of the Environmental Management system certificate
2008. 12 The small and medium company for technology innovation Authorized in INNO-BIZ
2009. 01 Appointed as Venture Company
2009. 02 Press Line Extension
2010. 01 Bending Line Extension
DAEHAN STAINLESS PIPE
Factory Press Line Factory Bending Line
DAEHAN STAINLESS GROUP [30 31]
Kitchenware can be customized in different designs for customers. Our very best quality steel products are gaining
tremendous popularity in the world market. Based on specific design and material, we supply world market with
various forms of products.
BBeennddiinngg TTuubbee
DAEHAN STAINLESS GROUP [32 33]
KKiittcchheennwwaarree
Products
TTaaiill TTiipp // MMuufffflleerr
Tail Tip, Muffler can be customized in different designs for customers. Our very best quality steel products are gainingtremendous popularity in the world market. They have distinctive designs and functions that are not only unique butadds style to your automobiles.
Our company creates a convenient human life with an active thought and progressive technology
DAEHANSTAINLE STEEL
SPECIALSTEEL
STAINLESSPIPE
STAINLESS
Our company make processing for pipe whichproducted in Daehan Stainless Pipe Co.,Ltd andthen, product and export Bending Tube, Tail Tip,and keeps the mutual cooperative relation fordriving the stable business to make buyers satisfiedwith our products
Our company always get ready for stablebusiness with credits between customersand our company and affiliates as acompany to provide Coil
Our company products and provides the stainlesspipe using engineering technology for TIG andERW, have our business territory expand throughvarious testing products such as stainless pressand welding pipe