Gnee (Tianjin) Multinational Trade Co., Ltd.
Gnee (Tianjin) Multinational Trade Co., Ltd.
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Scm440 Steel Bar Hot Rolled Alloy Steel Round Bar Scm440 Steel Round Bar Alloy Steel Round Bars
SCM440 is medium carbon chromium molybdenum alloy steel, which is an alloy steel containing chromium and molybdenum. It has the advantages of stable composition, low harmful elements, high steel purity, small decarburization layer and few surface defects. It is easy to be spheroidizedand has low cold cracking rate.
| Round bars | 5mm-130mm |
| Suqare bar | 6*6mm-100*100mm |
| Flat bars | 3mm*20mm-50mm*100mm |
| Hex bars | 6mm-100mm |
| Bar Finsihe | Peeled, Cold Drawn, TurnedTurned & Polished, Centreless Ground |
SCM440 Chemical Element
| Standard | Grade Number | |||||||||
| GB | 42CrMo | C | Si | Mn | P | S | Cr | Ni | Mo | Cu |
| ASTM | 4140 | 0.36-0.44 | 0.10-0.40 | 0.65-1.10 | ≤0.04 | ≤0.04 | 0.75-1.20 | - | 0.15-0.35 | ≤0.030 |
| DIN | 42CrMo4 1.7225 | 0.35-0.44 | 0.15-0.30 | 0.70-0.90 | ≤0.035 | ≤0.04 | 0.80-1.10 | - | 0.15-0.25 | ≤0.025 |
| JIS | SCM440 | 0.38-0.42 | 0.15-0.35 | 0.60-0.85 | ≤0.03 | ≤0.03 | 0.9-1.20 | ≤0.25 | 0.15-0.30 | ≤0.30 |
Application:
| Carbon Steel |
Mold bottom Plastic mold Construction machinery parts Automobile parts Security grills Screens Construction |
| Bearing Steel |
Aerospace Navigation Nuclear energy Chemical industry Electronic information Petrochemical Instrument and meter Transportation |
| Cr-Mo Steel |
Mechanism & Fasteners gear Stressed components for vehicles Engines and machines Parts of larger cross-section |
| Gear Steel |
All kinds of gears Statically and dynamically stressed component for vehicles Engines and machine Larger cross-section parts Crankshafts |
Q: are you a trading company or a manufacturer?
A: we are A combination of industry and trade
Q: how long is your lead time?
A: usually 5-10 days if the goods are in stock, or 10-20 days if the goods are not in stock (according to the quantity).
Q: do you provide samples? Is it free or extra?
A: we can provide samples free of charge, but we don't pay for shipping.
Q: what are the terms of payment?
A: deposit 100% or 30% in advance and make up the balance before shipment.
Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
Q: what port are you shipping at?
A: Tianjin port