SHANDONG LE REN SPECIAL STEEL CO., LTD.
$800-1100 /Metric Ton
| Payment Type: | D/A |
| Min. Order: | 5 Metric Ton |
Model No.: sncm439
| Selling Units | : | Metric Ton |
| Single package size | : | 5cm*5cm*20cm |
| Single gross weight | : | 3kg |
sncm439 quenched & tempered steel round bar
sncm439 steel is one kind of nickel chromium molybdenum alloy steel know for it's toughness and ti's ability to attach high strength after heat treatment.
Quenching and Tempering, abbreviated as Q&T is a king of processing that strengthen or harden steel bars by heating the materials and then cooling in water, oil or other liquid medium, that rapidly the change from austenite to perlite to get the proper properties for various usage. The quenched & tempered steel bar materials are usually with carbon from 0.30% - 0.60%, it is widely used as merchant bars in components of various machines.
Heat treated steel bar - Quenched And Tempered Steel Bar can be used to produce High Strength Marine Anchor Bolt, Wind Turbine Anchor Bolt, Mining And Tunneling Rock Bolt, High Strength Steel Bolts, Sheet Pile Tie Rods, Marine Sheet Pile Tie Rod For Wharves, Post Tension Bar For Bridge, Tie Bar Construction, Structural Steel Tie Bars and high strength required steel shafts etc.
sncm439 material quenched and tempered q&t steel bar we supply includes following advangtages:
Consistent mechanical properties
Deep mechanical properties (from surface to the center according to your requirement)
Even hardness on the whole bars/Tougher and Increased strength
No brittle, UT testing/Precision size tolerance/Good straightness
Good Roughness/Professional technical service/Competitive price/Fast delivery
Specification of sncm439 material quenched and tempered q&t steel bar we supply:
1. sncm439 steel equivalent material:
| GB | JIS | ASTM/AISI/SAE |
| 40CrNiMo(A) | SNCM439 | 4340 |
5. sncm439 Chemical composition:
|
| C | SI | MN | S | P | Cr | Mo | Ni |
| 40CrNiMo(A) | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.035 (max) | 0.035 (max) | 0.60-0.90 | 0.15-0.25 | 1.25-1.65 |
| SNCM439 | 0.36-0.43 | 0.15-0.35 | 0.60-0.90 | 0.030 (max) | 0.030 (max) | 0.60-1.00 | 0.15-0.35 | 1.65-2.00 |
| aisi 4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | 0.035 (max) | 0.035 (max) | 0.70-0.90 | 0.20-0.30 | 1.65-2.00 |
6. sncm439 Mechanical Properties:
| Yield Strength(MPa) | Tensile Strength(MPa) | Elongation(%) | AKV |
| 835(min) | 985(min) | 12(min) | 55(min) |
sncm439 steel can be used to produce commercial and aircraft, automobile systems, forged hydraulic and other machine tools like forged steel crankshafts
5. Production line:
6. Production Facilities:
7. Inspection:
8. Package:
9. RFQ:
Q1. Are you a manufactuer?
A1:Yes, we have our own factory and labatory to produce and inspect products.
Q2. How to ensure that every process's quality?
A2:Every process will be checked by our quality inspection department which insures every product's quality. we will personally go to tIn the production of products,he factory to check the quality of products.
Q3.How long is your delivery time?
A3:Our delivery time is generally 30 to 45 days. Or according to the quantity.
Q4. What is your payment method?
A4:30% value of T/T in advance and other 70% balance on B/L copy.
Q5.Can you provide a sample?
A5:Sure, Our sample is provided free of charge, but not including courier fees
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