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| Categories | Steel Round Bar |
|---|---|
| Brand Name: | TSING SHAN |
| Model Number: | AISI 4140 |
| Certification: | SGS ISO MTC |
| Place of Origin: | China |
| MOQ: | 100KGS |
| Price: | 0.65-0.95 USD/KG |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 50000KGS |
| Delivery Time: | 7 Days |
| Packaging Details: | Export Packing |
| Tech: | Hot rolled |
| Transport Package: | Export Standard Package/as Request |
| Custom Made: | Yes |
| Physical Properties: | Specific Gravity 7.85 |
| Dimensions: | 16-400mm |
| Mechanical Properties: | as Standard |
| Model No: | 4140 |
| Technics: | Hot Rolled |
| Machinability: | Good |
| Secondary Or Not: | Non-secondary |
| Service: | Cutting |
| Ends: | Beveled/plain |
| Hs Code: | 7312000 |
| Welding: | conventional methods |
| Company Info. |
| JIANGSU MITTEL STEEL INDUSTRIAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
1: AISI 4140 steel introduction
AISI 4140 is defined as a low alloy steel which has 1% Cr-Mo as
strengthening alloy elements.Compared with AISI 4130, it has a
higher carbon content with good balance of strength, toughness
,abrasion and impact resistance and heat treatment capabilities,but
poor in weldability characteristics.AISI 4140 is generally supplied
in quenched and tempered condition with hardness 28-32HRC
2: AISI 4140 Steel equivalent
| Country | China | Japan | Germany | USA | British |
| Standard | GB/T 3077 | JIS G4105 | DIN (W-Nr.) EN 10250 | AISI/ASTM ASTM A29 | BS 970 |
| Grade | 42CrMo | SCM440 | 42crmo4/1.7225 | 4140 | EN19/709M40 |
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.5-0.80 | ≤0.035 | ≤0.035 | 0.9-1.2 | 0.15-0.25 | - |
| SCM440 | 0.38-0.43 | 0.15-0.35 | 0.6-0.85 | ≤0.035 | ≤0.04 | 0.9-1.2 | 0.15-0.30 | - |
| 42crmo4/1.7225 | 0.38-0.45 | ≤ 0.4 | 0.6-0.9 | ≤0.025 | ≤0.035 | 0.9-1.2 | 0.15-0.30 | - |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.04 | 0.8-1.1 | 0.15-0.25 | - |
| EN19/709M40 | 0.35-0.45 | 0.15-0.35 | 0.5-0.80 | ≤0.035 | ≤0.035 | 0.9-1.5 | 0.2-0.40 | - |
| Grade | Tensile strength σb(MPa) | Yield strength σs (MPa) | Elongation δ5 (%) | Reduction ψ (%) | Impact Value Akv (J) | Hardness |
| 4140 | ≥1080 | ≥930 | ≥12 | ≥45 | ≥63 | 28-32HRC |
| Size | Round | Dia 6-1200mm |
| Plate/Flat/Block | Thickness 6mm-500mm | |
| Width 20mm-1000mm | ||
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
| Delivery condition | Forged; Hot rolled; Cold drawn | |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
| Payment terms | T/T;L/C;/Money gram/ Paypal | |
| Trade terms | FOB; CIF; C&F; etc.. | |
| Delivery time | 30-45 days | |
| Application | AISI 4140 steel finds many applications as forgings for the
aerospace,oil and gas,automotive, agricultural and defense
industries etc. Typical applications for 4140 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc | |
FAQ
1) why you chose us ?
Because we have large stocks and we have long term cooperative
factories.
We can get the lowest ex-factory prices. The price are quite reasonable and it is lower than our commercial peers.
Also, we can guarantee the quality of our products.
2) Our minimum order quantity:
15 Metric Tons
3) How about the Delivery Time?
The steel pipe will be produced since we getting your deposit by
T/T or original L/C, and delivery to the port of loading within
25~30 days.
For normal size, some stocks in our factory now, we can shipment
within 7~10 days after receive the deposit.
4) What kind of payment does your company support?
T/T, 100% L/C at sight.
5) Do you charge for the samples?
No, we provide samples free, you pay for the freight charge.
6) Main market:
Mid East South America South Asia Africa Southeast Asia Northern
Europe Western Europe etc.
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