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AISI 4340/34CrNiMo6/1.6582 Hot Rolled Steel Bar , Alloy Steel Flat Bar , Low MOQ

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AISI 4340/34CrNiMo6/1.6582 Hot Rolled Steel Bar , Alloy Steel Flat Bar , Low MOQ

Brand Name : Unite Steel
Model Number : Flat bar
Certification : ISO/BV/SGS/MTC
Place of Origin : China
MOQ : MOQ : 2-3 Ton
Price : USD 700-1200 Per Ton
Payment Terms : L/C, D/A, D/P, T/T
Supply Ability : 3000 Ton per Month
Delivery Time : Within 15-45 days
Packaging Details : Standard seaworthy packing
Product name : AISI 4340/34CrNiMo6/1.6582 Hot Rolled Steel Bar , Alloy Steel Flat Bar , Low MOQ , Length as your request .
Material grade : AISI 4340/34CrNiMo6/1.6582
Delievry condition : Annealed/hot rolled/cold drawn/quenched&tempered
Surface : Black/machined
UT : SEP 1921-84 Class C/c D/d E/e
Certificate : ISO/BV/SGS/MTC
Length : as your request
Process : EAF/IF/ESR+ LF+ VD
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AISI 4340/34CrNiMo6/1.6582 Hot Rolled Steel Bar , Alloy Steel Flat Bar , Low MOQ , Length as your request

DIN 1.6511 AISI 4340 steel flat bar
Comparative standardGradeCSiMnCrMoVWPSNi
GB40CrNiMoA0.36-0.440.10-0.3500.45-0.701.10-1.400.20-0.350.030.021.30-1.7
AISI4337/4340
JISSNCM8
DIN34CrNiMo6/1.65820.34max 0.400.651.500.230.030.031.50
Dimensions
Round bar
Dia:16mm~700mmLength:2m~6m
Flat bar
Thickness:20mm~500mmLength:2m~12m
*Dimensions can be customized
Heat Treatment
Normalizing850-880°C-
Stress Relieving650°Cair cooling
Quenching830-860°Coil quenching
Tempering540-660°C
1.Normalizing
Normalizing temperature : 850-880°C
2.Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx.650°C,
holding for 1-2 hours at heat,followed by air cooling .
This operation is performed to reduce distortion during heat treatment .
3.Hardening
Harden from a temperature of 830-860°C followed by oil quenching.
Quenching temperature in the end quench test is 850°C.
4.Tempering
tempering temperature: 540-660°C
Detail information
ProcessEAF+LF+VD+Forging+(Rolling)+Annealing Condition (optional)
Delivery ConditionHot forged+Rough machined/turned surface
MOQ1 ton
Technical DataAccording to customer’s requirements of chemical composition, physical properties and mechanical testing
Ultrasonic TestUltrasonic test according to SEP 1921-84 G3 D/d E/d
Applications
Hot extrusion dies, forging die forging hammer, forging press die, precision forging die well as aluminum, copper and alloys die-casting mold.
Relevant documents
Contract DocumentsContract, Debit Note, PI(Performa Invoice)
Shipping DocumentsB/L(Bill of Loading), Packing List, Shipping list, CI(Commercial Invoice)
CertificationsSGS, ISO9001-2008, UT(Ultrasonic Test), CO(Certificate of Original), MTC(Milling Test Certificate)



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