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5160 5052 6150 4150 4130 4140 Alloy Steel Round Bar 42crmo4 AISI 5140 41Cr4 SCr440
Place of Origin | Shandong China |
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Brand Name | TESTE |
Certification | ISO TUV SGS BIS CE |
Minimum Order Quantity | 3Tons |
Price | Negotiate |
Packaging Details | With iron sheet to pack the steel sheet and pallet .Also make the shipping marks on each bundles. |
Delivery Time | 5-15days depend on the quantity |
Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram,OA |
Supply Ability | 5000Tons Per Months |
Contact me for free samples and coupons.
Whatsapp:0086 18588475571
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Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Name | Alloy Steel Round Bar | Heat-treatment | +A,+N,+NT,+QT |
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Diameter | 3mm~3000mm | Surface | Black,Grounded,Peeled/Turned,Polished |
Product Name | Alloy Steel Bar | High Light | Pipe |
High Light | 5160 round bar,5052 round bar,6150 round bar |
AISI 5140 alloy steel is a structural alloyed carbon steel accding to AISI/ASTM standard which is widely used in Low and moderately stressed parts for vehicles, engines and machines where hard, wear resisting surface is needed. The hardness as surface hardened is about 54 HRC.
CHEMICAL COMPOSITION
Element | C | Mn | Si | P | S | Mo |
4140 | 0.38~0.43% | 0.75~1.0% | 0.15~0.30% | 0.035% | 0.04% | 0.15~0.25% |
4130 | 0.28~0.33% | 0.70~0.90% | 0.15~0.35% | 0.035% | 0.04% | 0.15~0.25% |
5140 | 0.38~0.48% | 0.70~0.9% | 0.15~0.35% | 0.035% | 0.04% | - |
HEAT TREATMENT OPTION
- +A: Annealed (full/soft/spheroidizing)
- +N: Normalized
- +NT: Normalized and tempered
- +QT: Quenched and tempered (water/oil)
FABRICATION AND HEAT TREATMENT
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.
Soft Annealing
Heat to 680-720℃, cool slowly. This will produce a maximum 5140 hardness of 241HB (Brinell hardness).
Tempering
Tempering temperature: 540-680℃.
Noramlizing of steel grade 5140
Temperature: 840-880℃
Hardening
Harden from a temperature of 820-850, 830-860℃ followed by water or oil quenching.