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| Categories | Hot Rolled Steel Bar |
|---|---|
| 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 |
| Company Info. |
| SHANGHAI UNITE STEEL |
| View Contact Details |
| Product List |
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 standard | Grade | C | Si | Mn | Cr | Mo | V | W | P | S | Ni |
| GB | 40CrNiMoA | 0.36-0.44 | 0.10-0.350 | 0.45-0.70 | 1.10-1.40 | 0.20-0.35 | 0.03 | 0.02 | 1.30-1.7 | ||
| AISI | 4337/4340 | ||||||||||
| JIS | SNCM8 | ||||||||||
| DIN | 34CrNiMo6/1.6582 | 0.34 | max 0.40 | 0.65 | 1.50 | 0.23 | 0.03 | 0.03 | 1.50 | ||
| Dimensions | |||||||||||
| Round bar | |||||||||||
| Dia:16mm~700mm | Length:2m~6m | ||||||||||
| Flat bar | |||||||||||
| Thickness:20mm~500mm | Length:2m~12m | ||||||||||
| *Dimensions can be customized | |||||||||||
| Heat Treatment | |||||||||||
| Normalizing | 850-880°C | - | |||||||||
| Stress Relieving | 650°C | air cooling | |||||||||
| Quenching | 830-860°C | oil quenching | |||||||||
| Tempering | 540-660°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 | |||||||||||
| Process | EAF+LF+VD+Forging+(Rolling)+Annealing Condition (optional) | ||||||||||
| Delivery Condition | Hot forged+Rough machined/turned surface | ||||||||||
| MOQ | 1 ton | ||||||||||
| Technical Data | According to customer’s requirements of chemical composition, physical properties and mechanical testing | ||||||||||
| Ultrasonic Test | Ultrasonic 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 Documents | Contract, Debit Note, PI(Performa Invoice) | ||||||||||
| Shipping Documents | B/L(Bill of Loading), Packing List, Shipping list, CI(Commercial Invoice) | ||||||||||
| Certifications | SGS, ISO9001-2008, UT(Ultrasonic Test), CO(Certificate of Original), MTC(Milling Test Certificate) | ||||||||||
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