Doosan Heavy Industries & Construction DOOSAN PLASTIC MOLD …D2)_HH.pdf · 2017-04-03 · HH...

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서울사무소 (SEOUL OFFICE) 우편번호 137-920 서울시 서초구 강남대로 465 Mail Code 137-920 465 Gangnam-daero, Seocho-Gu, Seoul Korea Tel. 82-2-513-6114 Fax. 82-2-513-6200 창원본사 (HEAD OFFICE AND CHANGWON PLANT ) 우편번호 경상남도 창원시 성산구 두산볼보로 22 Mail Code 642-792 22 DoosanVolvo-ro, Seongsan-Gu, Changwon, Gyeongnam Korea Tel. 82-55-278-6114, 7114 Fax. 82-55-264-5551~2 DOOSAN PLASTIC MOLD STEEL HP4MA(D2)_HH Doosan Heavy Industries & Construction Doosan Heavy Industries & Construction www.doosanheavy.com 642-792

Transcript of Doosan Heavy Industries & Construction DOOSAN PLASTIC MOLD …D2)_HH.pdf · 2017-04-03 · HH...

Page 1: Doosan Heavy Industries & Construction DOOSAN PLASTIC MOLD …D2)_HH.pdf · 2017-04-03 · HH HP4MA(D2) HP4MA(D2)_HH 1400 Yield Tensile 1300 1200 1100 1000 900 800 700 600 500 400

서울사무소 (SEOUL OFFICE)우편번호 137-920 서울시서초구강남대로465Mail Code 137-920 465 Gangnam-daero,Seocho-Gu, Seoul KoreaTel. 82-2-513-6114 Fax. 82-2-513-6200

창원본사 (HEAD OFFICE AND CHANGWON PLANT )

우편번호 경상남도창원시성산구두산볼보로22Mail Code 642-792 22 DoosanVolvo-ro, Seongsan-Gu, Changwon, Gyeongnam KoreaTel. 82-55-278-6114, 7114 Fax. 82-55-264-5551~2

DOOSAN PLASTIC MOLD STEELHP4MA(D2)_HH

Doosan Heavy Industries & Construction

Doosan Heavy Industries & Construction www.doosanheavy.com

642-792

Page 2: Doosan Heavy Industries & Construction DOOSAN PLASTIC MOLD …D2)_HH.pdf · 2017-04-03 · HH HP4MA(D2) HP4MA(D2)_HH 1400 Yield Tensile 1300 1200 1100 1000 900 800 700 600 500 400

| HP4MA(D2)_HH개요 |

■ 향상된절삭가공성 (Improved Machinability) ■ 균일한경도분포 (Uniform Hardness)■ 고 청정도를바탕으로한경면사상성우수 (Excellent Polishability)■ 뛰어난내마모성및부식가공성 (Outstanding Wear Resistance and Photo-etching)

특징 (Characteristics)

화학성분 (Chemical Compositions)

DIN

HP4MA(D2)_HH

DOOSANBRAND

2738 Improved P20 Improved SNCM Improved 718 Improved

REFERENCE SPECIFICATION

AISI JIS ASSAB

Ni C

0.25~0.35 0.40~0.90 1.50~2.10 0.30~0.70 Added

Cr Mo Special Alloy

|기계적 성질및부식가공성 |

기계적성질 (Mechanical Properties)

표면경도Surface Hardness(HRc)

35~39

항복강도 Yield Strength(MPa)

830~1050

인장강도 Tensile Strength(MPa)

1020~1250

DP 10 Comm. Mat'l

70

60

50

40

30

20

10BM HAZ WM HAZ BM

경도

(HRc

)

As Weld

After PWHT

편석 (Segregation) & 부식가공성 (Photo Etching)

|기계가공성 (Machinability) |

|용접조건 (Procedure for Repair Welding) |

|용접성 (Weldability) |

Test Condition•Cutter: M415SP-05R-12•Insert: SPKN1203EDTR-HP+/TT7080•V=200m/min f=0.12mm/tooth•d=2.0mm Center cutting dry

Procedure Remarks

WeldingPost Heating

(250~350℃)Preheating

Slow cooling

용접봉(Filler Metals)

AWS ER90S-B3 Welding Rod:Ø1.6, Ø2.4

1hr / 50mm

예열(Preheat Temperature)

250±50℃(200~300) Fuel: LNGFuel Pressure: 0.5Kg/cm2

Post Heat Treatment(PHT)

TP(Holding Temperature)320±20℃

Post Weld Heat Treatment(PWHT)

Required Polishing andEtching Workability

TP

Welding Slow cooling(≤50℃/hr)

300℃

PWHT

(500~600℃)

(250~350℃)Preheating 1-2hr*

* Slow cooling

DO

OS

AN

HEA

VY

IND

US

TRIE

S&

CO

NS

TRU

TIO

N|

DO

OS

AN

PLA

STI

CM

OLD

STE

ELH

P4M

A(D

2)_ H

H

HP4MA(D2) HP4MA(D2)_HH

Yield Tensile1400

1300

1200

1100

1000

900

800

700

600

500

400

300

200100

Cutting Distance(mm)

1

0.8

0.6

0.450.4

0.2

0

VBm

ax(m

m)

0.8 3.2 5.6 8

2738 improved

Life of Tool (0.45)

HP4MA(D2)_HH

*BM : Base Metal *WM : Weld Metal *HAZ : Heat Affected Zone

44

42

40

38

36

34

32

30

-200 -100 0 100 200

Har

dnes

s(H

Rc)

Stre

ngth

(MPa

)

Distance from the Center(mm)

HP1A

HP4A

HP4MA

HP4MA(D2)_HH

DP10

HP-70

Mirror Polishability

Polishing Property(Schematic Diagram)

Har

dnes

s

편석조직이거의나타나지않고균일하여우수한부식가공성을가짐

Outstanding photo-etching fromlow segregation and homogeneousmicrostructure

기계가공성이우수하여공구소모량절감및가공시간단축가능함

Saving tools wear and machining time byexcellent machinability

PWHT 후 용접부경도편차가적어경면가공시유리함

Better polishing byconsistency in hardnessbefore/after PWHT

편석 (Segregation) 부식가공성 (Photo Etching)

Description