18CrNiMo7-6 Steel Bar

DIN 120WV4 Tool Steel CHEMICAL COMPOSITION: C : 1,15 - 1,25; Mn 0,20 -0,35 ; Si {{10}},15 - 0,30 ; P MAX. 0, {{20}}}35 ; S MAX. 0,035 ; Cr 0,15 - 0,25 hli; V 0,07–0,12; W 0,90 - 1,10 Kev xa khoom: Kev kho cua sov ANNEALED 219 / 223 HB Nto FINISHING: CENTERLESS GROUND DIAMETERS: Los ntawm 1mm txog 30mm ON RISING...

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17CrNiMo6 thiab 18CrNiMo7-6 Case Hardening Round Alloy Steel Bar

1. CHEMICAL COMPOSITION feem pua

18CrNiMo7-6 Chemical Composition (%) :

Cov pa roj carbon 0 15-0.20

Silicon 0.4 max

Manganese 0 40-0.60

Phosphorus 0.04 max

Sulfur 0.04 max

Chromium 1.50-1.80

Molybdenum 0 25-0.35

Nickel: 1.40-1.70

2. MACROSTRUCURE

Internal tsis xws luag nyob rau hauv lub transverse hlais siv kub hydrochloric acid. Macro etching yuav tsum ua raws li ASTM E381.

Cov qauv macro yuav tsum ua raws li qhov ntsuas S-2, R-2, C-2.

Kev txiav txim siab tsis yog xim hlau yuav tsum ua raws li ASTM E45 (Txoj Kev A)

Cov qoob loo loj yuav tsum ua raws li ASTM E 112-96 Specification thiab yuav tsum tshaj Qib 5.

3. NTXHAIS HAUJ LWM

Cov kab nrib pleb thiab qhov tsis xws luag ntawm txhua qhov dov bar yuav tsum raug kuaj pom siv Eddy Current Testing Method.

5. ULTRASONIC TESTING

Ultrasonic kuaj cov txiaj ntsig yuav tsum ua raws li;

a) SEP 1921 pawg 3 chav kawm Cc

4. SIJ HAWM THIAB KEV PAB CUAM RAU 18CrNiMo7-6 STEEL BARS

Txoj kab uas hla, mm	Ua siab ntev
50 – 100	ntxiv rau 1 feem pua
105 – 220	ntxiv rau 1,2 feem pua
230 – 250	ntxiv 2 feem pua
260 – 450	ntxiv 3 feem pua

5. Kev Ncaj Ncees thiab ROUNDNESS

a) Ncaj deviations yuav tsum yog Max 2 hli ib 1 meter.

b) Tawm ntawm puag ncig yuav tsum tsis pub tshaj 50 feem pua ntawm txoj kab uas hla.

6. LENGTHS

5-6 Meter ntev.

18CrNiMo7-6 Gear Steel Bar Supply Range

1.2363 A2 Cold Work Alloy Mould Steel Sheet

STEEL MAKING PROCESS

a) Hlau yog melted nyob rau hauv hluav taws xob Arc rauv.

b) Nqus degassing yuav tsum tau.

c) Hauv qab ncuav ingots siv.

High Mold Steel Material 1.2581 Tool and Die Steel Mould Steel H21 SKD5 Round Bar Steel

Khoom duab

18CrNiMo7-6 Alloy steel bar

TSEEM CEEB CERTIFICATE REQUIREMENTS

Daim ntawv pov thawj soj ntsuam raws li EN 10204, Daim Ntawv 3.1B thiab yuav tsum muaj cov hauv qab no;

a) qib steel.

b) Tag nrho cov tshuaj muaj pes tsawg leeg nrog Max thiab Min. tso cai variations.

c) Thaum tshav kub kub / Cam khwb cia Number (Yuav kom meej meej stamped ntawm Bar)

d) Bar diam

e) Daim ntawv cog lus

f) Kev kuaj ultrasonic yuav tsum hais - OK

g) Cov txiaj ntsig kuaj, hardness, macrostructure mechanical zog (Raws li BS 970)

h) Macrostructure Test cov txiaj ntsig rau ASTM E 381 yuav tsum tau tshaj tawm hauv Daim Ntawv Pov Thawj.

Peb lub Hoobkas

Hlau Ua

Ingot Production

Forged Bars

Tshuab

Kev xa khoom

Packing & Delivery

Chaw nres nkoj: Txhua qhov chaw nres nkoj Suav

Qhov loj me ntawm lub thawv yog hauv qab no:

-- 20ft GP: 5.8m (ntev) x 2.13m (dav) x 2.18m (siab)

-- 40ft GP: 11.8m (ntev) x 2.13m (dav) x 2.18m (siab)
-- 40ft HG: 11.8m (ntev) x 2.13m (dav) x 2.72m (siab

Cim npe nrov: 18crnimo7-6 steel bar, Tuam Tshoj 18crnimo7-6 steel bar manufacturers, lwm tus neeg, Hoobkas

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