creating value for the world doosan tool steels · 풀림 담금질 뜨임 quenching + temperung...
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CREATING VALUE FOR THE WORLD
DOOSAN TOOL STEELS
GLOBAL LEADER IN POWER & WATER
The ever-faster pace of change necessitates products of ever-higher precision. Doosan has thelatest technologies and ample experience to produce the tool steel that can satisfy this need.What is more, the steady improvement in industrial productivity will always bring tremendoussatisfaction.
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
DOOSAN TOOL STEELS
CONTENTS
• INTRODUCTION ‥‥‥‥‥‥‥‥‥‥‥ 04
• HOT WORKING TOOL STEEL
- STD61 ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 06
• COLD WORKING TOOL STEEL
- STD11 ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 10
• FORGING TOOL STEEL
- STF4M ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 14
• DOOSAN TOOL STEELS ‥‥‥‥‥‥‥‥ 18
03
DOOSAN TOOL STEELS
INTRODUCTION
�
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
0�
Doosan Proudly Introduces Forged Tool Steel for Improved Productivity
DOOSAN forged tool steels, manufactured by well-experienced manpower together with the most modern facilities under the
strict quality assurance system, are one of the DOOSAN’s principal steel products. These steel products are extremly well
accepted for tough service conditions of hot and cold work tool in ferrous and non-ferrous metal applications, enjoying a good
reputation for their top quality in both domestic and foreign markets.
Hoping you apply DOOSAN steels for your tool works and enjoy all benefits from them.
생산성을 향상시키는 두산중공업의 단조공구강!
冷間 및 熱間 工具用鋼으로 개발된 STD61, MASTER1, STD11, STF4M은 최신설비와 풍부한 경험을 통하여 제작되고 있으며 엄격한 품
질보증 체계로 제품의 性質을 보장함으로써 生産性 向上과 金型의 壽命을 연장시켜 결과적으로 사용자에게 많은 이익을 드립니다. 또한
매우 우수한 기계적 성질을 가지고 있으므로 熱間作業과 冷間作業에서 보다 정밀한 생산 제품을 만들 수 있으며 국내외 사용자로부터
많은 호응을 받고 있습니다.
STD61, MASTER1, STD11, STF4M으로 귀사의 作業效率이 向上되는 만족감을 가져 보십시오.
DOOSAN TOOL STEELSDOOSAN TOOL STEELS
HOT WORKING TOOL STEEL
STD61
Quality Properties� Clean and High Quality
DOOSAN STD61 has superior cleanliness and high quality with a minimum of nonmetallic inclusions through special
refining and vacuum-degassing processes.
� Homogeneous StructuresDOOSAN STD61 hexahedrally forged by 13,000-ton or 4,200-ton press upsetting and cogging. Its macrostructures and
microstructures are fine and uniform at any cross section.
� Excellent Machinability
� High Strength and Toughness at the elevated temperatures
� High Resistance to Heat-Check and Erosion
品質 特性�高淸淨度와 高品質眞空脫가스處理와特殊精鍊工程을적용하여제조되어淸淨度와品質이우수하다.
�均質한 組織4,200톤및 13,000톤프레스로제작함으로써組織이극히均質하다.
�被削性 및 각종 加工性이 良好하다.�高溫强度와 勒性이 良好하다.�耐 Heat-Check, 耐蝕性이 우수하다.
STD61HOT WORKING TOOL STEEL
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DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
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熱處理 (Heat Treatments) 硬度 (Hardness)
풀림 응력제거 담금질 뜨임 Annealing
Annealing Stress Relieving Quenching Tempering HB
750~850℃ 600~650℃ 1000~1050℃ 560~680℃ Max. 229
07
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
化學成分 (Chemical Compositions)
C Si Mn Cr Mo V
0.32~0.42 0.80~1.20 <0.50 4.50~5.50 1.00~1.50 0.80~1.20
(Unit : Wt.%)
熱處理 條件 (Heat Treatments)
(*T : depends on required hardness.)
Time
2hr/inch
StressRelieving
600~650600~700
780~840
80~100
1000~1050
T-30 T-30
*<T>500~680
1hr/inch
30min/inch
30min/inchAir or BlowQuenching
Hardening
15min/inchFurnaceCooling
1hr/inch1hr/inch
AirCooling
AirCooling
AirCooling
3rd Tempering2nd Tempering1st Tempering
First Preheat
Second Preheat
200
0
400
600
800
1000
1200
Temp(℃)
DOOSAN TOOL STEELSDOOSAN TOOL STEELS
HOT WORKING TOOL STEEL
STD61
707681 673 667 652 643
589
572 468 236 216
707681 673 667 652 643
589
572 468 236 216
Tempering Temperature (℃)
Time (sec)
P
B
M
950℃1000℃1030℃1100℃
MS
A+C
Austenitizing Temperature
Ac3
Ac1
熱處理 硬度 曲線 (Heat Treatment Hardness Curve)
連續 冷却 變態 曲線 (Continuous Cooling Transformation Curve)
100 200 300 400 500 600 700 8000
1 10 100 1000 10000 100000
0
200
400
600
800
1000
1200
60
55
50
45
40
35
30
25
Har
dnes
s(H
Rc)
Tem
pera
ture
( ℃)
STD61HOT WORKING TOOL STEEL
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DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
0�09
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
高溫 機械的 性質 (High Temperature Mechanical Properties)
高溫引張 (High Temperature Tensile Properties) 高溫衝激 (High Temperature Impact Value)
物理的 特性 (Physical Properties)
Temperature (℃) Test Temperature (℃)
Distance from Nitrided Surface (mm)
T.S.
Y.S.
R.A.
570。×3hr
EL.
100 200 300 400 500 600 700 0 100 200 300 400 500 600 700 800RT.
40 30
50
70
90
80
120
160
0
0 0.05 0.10 0.15 0.20 0.25 0.30 0.35
200
400
600
800
1,000
1,200
1,400
Impa
ctVa
lue(
J-m/c
m2 )
Y.S.
,T.S
(Kgf
/mm
2 )
Har
dnes
s(H
v)
20
40
60
80
100
0
機械的 性質 (Mechanical Properties)
窒化 特性 (Nitriding Characteristics)
온도(℃) Temperature ~100 ~200 ~300 ~400 ~500 ~600 ~700
열팽창계수(10-6/℃)Coefficient of Thermal Expansion
11.3 11.5 12.3 12.7 13.0 13.2 13.6
열전도도(W/m·K) Thermal Conductivity 28.7 28.4 26.8 25.0 23.3 19.6 15.2
DOOSAN TOOL STEELSDOOSAN TOOL STEELS
COLD WORKING TOOL STEEL
STD11
Quality Properties� Clean and High Quality
DOOSAN STD11 has superior cleanliness and high quality with a minimum of nonmetallic inclusions through special
refining and vacuum-degassing processes.
� Homogeneous StructuresDOOSAN STD11 hexahedrally forged by 13,000-ton or 4,200-ton press upsetting and cogging. Its macrostructures and
microstructures are fine and uniform at any cross section.
� Uniform HardnessChemical compositions are adjusted to meet a specific size of tool block, and the hardness is controlled uniformly
throughout the tool block, regardless of its size.
Even after re-sinking, the block can be used under the same conditions as before, and extended service life is assured.
� Excellent Wear Resistance
� High Strength
品質 特性�高淸淨度와 高品質眞空脫가스處理와특수精鍊工程을적용하여제조되어製品의淸淨度와品質이우수하다.
�均質한 組織4,200톤및 13,000톤프레스로제작함으로써組織이극히均質하다.
�均質한 硬度가장적절한化學成分에의해어떠한칫수나形狀하에서도硬度가균일하며, 경화능이매우우수하다.
�우수한 耐마모성�高强度
STD11COLD WORKING TOOL STEEL
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DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
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DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
熱處理 (Heat Treatments) Hardness
풀 림 담금질 뜨 임 Annealing Annealing Quenching Tempering HB
820~880℃ 1000~1050℃ 150~200℃Max. 229
500~550℃
化學成分 (Chemical Compositions)
C Si Mn Cr Mo V
1.40~1.60 <0.40 <0.60 11.0~13.0 0.80~1.20 0.20~0.50
(Unit : Wt.%)
熱處理 條件 (Heat Treatments)
(*T : depends on required hardness.)
Time
600~700
800~850
80~100
1000~1050
150~200500~550
*<T>150~200500~550
1hr/inch
30min/inch
30min/inchAir or BlowQuenching
Hardening
15min/inch1hr/inch
Air cooling
Air cooling
2nd Tempering1st Tempering
First Preheat
Second Preheat
200
0
400
600
800
1000
1200
Temp.(℃)
DOOSAN TOOL STEELSDOOSAN TOOL STEELS
COLD WORKING TOOL STEEL
STD11
Tempering Temperature (℃)
뜨임곡선 (Tempering Master Curve)
칫수 변형율 (Dimensional Change Ratio After Heat Treatments)
100 200 300 400 500 6000
60
64
62
60
58
56
54
52
50
Har
dnes
s(H
Rc)
Tempering Temperature (℃)
Longitude
Diameter
1025℃ 10min, Air Cooled
8x12mm
0 100 200 300 400 500 600 700
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
Dim
ensi
onal
Chan
geRa
tio(%
)
STD11COLD WORKING TOOL STEEL
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DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
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DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
機械的 特性 (Mechanical Properties)
Tempering Temperature (℃)
Tensile Strength
Impact Value
100 200 300 400 500 600
0
1
2
3
4
50
100
150
200
250
Tens
ileSt
reng
th(K
gf/m
m2 )
Impa
ctVa
lue(
Kgf-m
/cm
2 )
物理的 特性 (Physical Properties)
온도(℃) Temperature ~100 ~200 ~300 ~400 ~500 ~600 ~700
열팽창계수(10-6/℃)Coefficient of Thermal Expansion
12.2 12.0 12.3 12.8 13.2 13.4 13.0
열전도도(W/m·K) Thermal Conductivity 23.7 25.0 26.7 26.8 27.1 25.8 -
DOOSAN TOOL STEELSDOOSAN TOOL STEELS
FORGING DIE STEEL
STF4M
Quality Properties� Clean and High Quality
STF4M has superior cleanliness and high quality with
a minimum of nonmetallic inclusions through special
refining and vacuum-degassing processes.
� Homogeneous Structures
STF4M hexahedrally forged by 13,000-ton or 4,200-
ton press upsetting and swaging. Its macrostructures
and microstructures are fine and uniform at any cross
section.
� Uniform Hardness
Chemical compositions are adjusted to meet a
specific size of tool block, and the hardness is
controlled uniformly throughout the tool block,
regardless of its size.
Even after re-sinking, the block can be used under
the same conditions as before, and extended service
life is assured.
� High Thermal Shock Resistance
� Excellent Wear Resistance
� Excellent Machinability
品質 特性·高淸淨度와 高品質眞空脫가스처리와特殊精鍊工程을적용하여제조되어製品의淸淨度와品質이우수하다.
·均質한 組織4,200톤및 13,000톤프레스로제작함으로써組織이극히均質하다.
·均質한 硬度가장적절한化學成分에의해어떠한칫수나形狀하에서도硬度가균일하며, 경화능이아주우수하다.
·우수한 耐 열충격성
·우수한 耐 마모성
·우수한 機械加工性높은硬度하에서도機械加工性이우수하다.
STF4MFORGING DIE STEEL
1�
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
743720
721707
544439397
371300 272
19
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
化學成分 (Chemical Compositions)
C Si Mn Cr Ni Mo
0.45~0.60 <0.40 0.60~1.10 0.70~1.70 1.30~2.50 0.40~1.00
(Unit : Wt.%)
熱處理 (Heat Treatments) 硬度 (Hardness)
풀림 담금질 뜨임 Quenching + TemperungAnnealing Quenching Tempering HRc
750~850℃ 840~880℃ 500~650℃×2times 38.0~43.0
熱處理 條件 (Heat Treatments)
熱處理 曲線 (Heat Treatment Curve)
連續 冷却 變態 曲線 (Continuous Cooling Transformation Curve)
743720
721707
544439397
371300 272
743720
721707
544439397
371300 272
담금질곡선 1차 Tempering 2차 Tempering
aircooling
aircooling
oilcooling
1Hr/40mm1Hr/40mm1Hr/50mm
1 10 102
1 10 100 1000 10000(min)
103 104 105 106(Sec)
0
100
200
300
400
500
600
700
800
900
1000
840~880℃ 550~650℃ 520~620℃
P
BMs
A+C
AUSTENITIZING TEMPERATURE : 850℃HOLDING TIME: 15min.
Max
. 50℃
/Hr
Max
. 50℃
/Hr
Max
. 50℃
/Hr
Ac3
Ac1
DOOSAN TOOL STEELSDOOSAN TOOL STEELS
FORGING DIE STEEL
STF4M
뜨임곡선 (Tempering Master Curve)
단면 경도 균일성 (Cross-Sectional Hardness)
常溫 機械的 性質 (Mechanical Properties at Room Temperature)
Tempering Temperature (℃ x 1.5hr)
Distance from the Center(mm)
STF4M
STF4
STF4
D社
A社
STF4M
as quenched 100 200 300 400 500 600 700
-100 -200 -150 -100 -50 0 50 100 150 200 250
30
40
50
10
20
30
40
50
60
70
Har
dnes
s(H
Rc)
Har
dnes
s(H
Rc)
STF4MFORGING DIE STEEL
1�
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
21
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
비금속개재물 및 청정도 (Cleanliness)
機械的 特性 (Mechanical Properties)
열충격 특성 (Thermal Shock Properties)
STF4M STF4 D社 A社
Crac
kD
epth
(μm
)
0
200
400
600
800
1000
1200
Clea
nlin
ess
(d40×
600)
0.044%0.05%
0.15%
0.37%
STF4 STF4M
589
759
245
539
Longi. Crack Test ConditionCircumf. Crack 50℃ 600℃
Water Cooling3,000 Cycles
15sec.
Tempering Temperature (℃)
50 100 150 200 250 300 350 400 450 500 550 600 6500
0
20
40
60
80
100
120
140
160
Stre
ngth
(Kgf
/mm
2 )
STF4
STF4M
T.S.
Y.S.
物理的 特性 (Physical Properties)
온도(℃) Temperature 상온 ~200 ~400 ~600 ~700
열팽창계수(10-6/℃)Coefficient of Thermal Expansion
- 12.1 13.1 13.5 13.8
열전도도(W/m·K) Thermal Conductivity 35.8 38.3 37.5 35.8 35.0
DOOSAN TOOL STEELS
Cold Working Tool Steel
DOOSAN TOOL STEELS
DOOSAN TOOL STEELS
Doosan PEFERENCE SPECIFICATION SUPPLIED APPLICATIONSBrand DIN AISI JIS CONDITION
•Die-casting diesSTD61 1.2344 H 13 SKD 61 Annealed •Press dies
•Extrusion dies
MASTER11.2344 H 13 SKD 61
Annealed•Die-casting dies
Improved Improved Improved •Press dies
•HigherSTD11 1.2379 D2 SKD 11 Annealed hardness Mold
•Bumper Mold
Forging Die Steel
1.2714 6F2 6F2•Hammer dies
STF4M Prehardened •Ram diesImproved Improved Improved •Container Tire
Flame Hardening Steel
1.2108 Hitachi’s •Blanking &HFH1 - Annealed Trimming dies
Improved HMD-5 •Cold press dies
Hot Working Tool Steel
DOOSAN TOOL STEELS
Cold Working Tool Steel
DOOSAN TOOL STEELS
DOOSAN TOOL STEELS
Doosan PEFERENCE SPECIFICATION SUPPLIED APPLICATIONSBrand DIN AISI JIS CONDITION
•Die-casting diesSTD61 1.2344 H 13 SKD 61 Annealed •Press dies
•Extrusion dies
MASTER11.2344 H 13 SKD 61
Annealed•Die-casting dies
Improved Improved Improved •Press dies
•HigherSTD11 1.2379 D2 SKD 11 Annealed hardness Mold
•Bumper Mold
Forging Die Steel
1.2714 6F2 6F2•Hammer dies
STF4M Prehardened •Ram diesImproved Improved Improved •Container Tire
Flame Hardening Steel
1.2108 Hitachi’s •Blanking &HFH1 - Annealed Trimming dies
Improved HMD-5 •Cold press dies
Hot Working Tool Steel
GLOBAL NETWORK
Overseas Branches
AMERICASDOOSAN HEAVY INDUSTRIESAMERICA CORP.Parker Plaza, 10th Floor, 400Kelby StreetFort Lee, NJ 0�024, U.S.A.Tel 1-201-�44-4��4 x31, x24Fax 1-201-�44-�022
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CAIRO OFFICE*Cairo Office will be Newly opened.
Overseas Subsidiaries
DOOSAN POWER SYSTEMS LTD.11 The Boulevard, Crawley,West Sussex, RH10 1UX, U.KTel 44-12�3-61-2888Fax 44-12�3-�8-4816
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DOOSAN POWER SYSTEMSAMERICAS LTD.� Paragon Drive, Montvale,New Jersey 0�64�, U.S.A.Tel 1-201-�46-8200Fax 1-201-�46-8610
DOOSAN POWER SYSTEMSEUROPE LTD.Bredeneyer Strasse 2b, 4�133Essen, GermanyTel 4�-201-4�1�-320Fax 4�-201-4�1�-328
SKODA POWER LTD.Tylova 1/�� I 301 28, Plzen, CzechTel 420-3�8-18�-128Fax 420-3�8-18�-�00
DOOSAN BABCOCKENGINERING & SERVICES INDIA PVT.LTD.New Delhi OfficeDLF Building NO.8A, 3rd FloorDLF Cyber City Phase IIGurgaon 122 002, Haryana, IndiaTel �1-124-43�-8200Fax �1-124-414-�00�
CHENNAI OFFICEGee Gee Universal, �th FloorNo.2 Mcnichols RoadChetpet, Chennai 600 031, IndiaTel �1-44-2836-6�30Fax �1-44-2836-6�36
DOOSAN HYDRO TECHNOLOGY, INC.�12 Chad Lane Tampa, Florida3361�, U.S.A.Tel 1-813-80�-8860Fax 1-813-623-60�2
DOOSAN HF CONTROLS CORP.1624 West Crosby Road, Suite 124Carrollton, Texas ��006, U.S.A.Tel 1-46�-�68-6�26Fax 1-46�-�68-6�8�
DOOSAN IMGB104 Berceni Road, Bucharest 4, RomaniaTel 40-21-301-3�4�Fax 40-21-301-2�02
DOOSAN ENGINERING & SERVICES LLC� Paragon Drive, Montvale,New Jersey 0�64�, U.S.A.Tel 1-201-�46-8200Fax 1-201-�46-8210
DOOSAN POWER SERVICE INDIASuite 31, Vatika Business Centre,3rd Floor, Vatika Atrium, DLF GolfCourse, Road Sector �3,Gurgaon 122002, Haryana, IndiaTel �1-124-4311-3�8
DOOSAN HEAVY INDUSTRIESVIETNAM CO., LTD. [DOOSAN VINA]Dung Quat Economic Zone, BinhThuan CommuneBinh Son District, Quangngai Province,VietnamTel 84-��-�13-001Fax 84-��-�13-008
HAN-VIET HEAVY INDUSTRY &CONSTRUCTION CORP. [HANVICO]km �2, National Highway �,So Dau WardHong Bang District, Haiphong CIty,VietnamTel 84-31-3�1-2�10~11Fax 84-31-3�1-2�14
HANJUNG POWER LTD.P.O. Box 2803, BorokomNCD, Papua New GuineaTel 6��-320-0�2�Fax 6��-321-2�84
Doosan Heavy Industries & Construction Co., Ltd.SEOUL OFFICE 1303-22, Seocho-Dong, Seocho-Gu. Seoul 13�-�20,Korea (C.P.O Box 1826, Seoul Korea)Tel. 82-2-�13-6114, Fax. 82-2-�13-6200
www.doosanheavy.comHEAD OFFICE AND CHANGWON PLANT���, Guigok-dong, Changwon,Gyeongsangnam-do, 641-��2, KoreaTel. 82-��-2�8-6114, �114 Fax. 82-��-264-���1,���2