The chemistry of grade 4140 seamless pipe manifests good overall
alliances of properties such as toughness, strength, fatigue
strength and wear resistance as well. A heat treatment is carried
out on the components for the purpose of improving its mechanical
properties. Furthermore, this alloy has self-scaling properties,
which is an important characteristic for 4140 alloy steel pipe. The
resistance to scaling would effectively lower the cost of
treatment. Considered to be a mechanical tube, the aisi 4140 steel
pipe is produced by either cold finishing or by means of hot
finishing, which is usually cast in ingots or if required, strand
cast. Once the pipe has been hot worked, it could be cold finished,
and finally, they are coated with oil prior to being formed. Oiling
the surface of ASTM A519 Grade 4140 Pipe efficiently retards the
collection of dust.
Chemical Structure of AISI 4140 Seamless Pipe
| Element | Content (%) |
|---|
| Iron, Fe | 96.785 - 97.77 |
| Chromium, Cr | 0.80 - 1.10 |
| Manganese, Mn | 0.75 - 1.0 |
| Carbon, C | 0.380 - 0.430 |
| Silicon, Si | 0.15 - 0.30 |
| Molybdenum, Mo | 0.15 - 0.25 |
| Sulfur, S | 0.040 |
| Phosphorous, P | 0.035 |
AISI 4140 Tool Steel Pipe Mechanical Behaviour
Buy ASME SA 519 GR.4140 Boiler Tubes & SAE 4140 Chrome Moly Tube at
factory price
| Properties | Metric | Imperial |
|---|
Density | 7.85 g/cm3 | 0.284 lb/in³ |
Melting point | 1416°C | 2580°F |
Testing & quality inspection of AISI 4140 Pipe
- Mechanical test
- Pitting resistance test
- Chemical analysis
- Flaring test
- Hardness test
- Flattening test
- Ultrasonic test
- Macro/micro test
- Radiography test
- Hydrostatic test
FAQ
1.Will you deliver the goods on time?
Yes,we promise to provide best quality products and delivery in
time no matter if the price change lot or not, Honesty is our
company's tenet.
2.How can I get your quotation as soon as possible?
The email and fax will be checked in 24 hours, meanwhile, the skype
will be online in 24 hours Please tell us the order information
about quantity, Specification(steel type, material, size )and
destination port, you will get the latest price.
3.How about the sample if i need?
The sample will be offered for free if you need, but the freight
will be covered by our customer. If we have cooperation, the
freight will be covered by our company.
4.How about the MOQ?
Generally, the trail order will be accepted.The MOQ can be
confirmed according to the different products. For example, the MOQ
of PPGI will be 10MT.
5.How about the delivery time?
Within 15-30days after receiving the deposit or L/C at sight. Of
course, the detail will be confirmed by the quantity and the
different products.
6.How to order?
Please send us your purchase order by email. Or you can ask us to
send you a proforma invoice for your order. We need to know the
following information for your order.
7.What is shipment terms?
1. Container ship 2. bulk ship 3. Train
8.Do you have English Mill Test Certificates?
Yes,that is what we give gurantee to our clients
9.Do you accept the third party inspection?
Yes,absolutely we accept.
