4140 Carbon steel pipe
Classification :
PRODUCT DETAILS
Product introduction
4140 carbon steel pipe is a high-quality pipeline material mainly composed of carbon elements. Its features include:
High strength: 4140 carbon steel pipe has high strength and can withstand high pressure and heavy loads, ensuring the stability and durability of the pipeline.
Corrosion resistance: Carbon steel pipes have good corrosion resistance to various chemical substances and can be used in various corrosive environments.
Good processing performance: Carbon steel pipes can be processed through various methods such as welding, cutting, and bending, which facilitates the installation and maintenance of pipelines.
Good thermal conductivity: Carbon steel pipes have good thermal conductivity and can effectively transfer heat, making them suitable for various thermal pipelines.
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Product Name |
Carbon Steel Tube / Pipe | ||
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Thickness |
1.0mm - 60mm | ||
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Diameter |
6.0mm - 1422mm | ||
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Length |
5800, 6000, 11800, 12000 or customized | ||
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Surface |
Black skin, spray paint, pickling, oiling, galvanize, etc | ||
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Material |
A106 GrB, API5L, API5CT, S235JR, S275JR, S355JR, C45, ST37, ST52, 4140, 4130, etc | ||
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Standard |
GB, GOST, ASTM, AISI, JIS, BS, DIN, EN | ||
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Technology |
Hot rolling, pickling, precision, cold rolling, galvanize, seamless, welding, spiral | ||
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Export packing |
Waterproof paper, and steel strip packed. Standard Export Seaworthy Package. Suit for all kinds of transport, or as required. |
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| Minimum Order Quantity | 25Tons |
Chemical Composition
| Standard | Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
| ASTM A29 | 4140 | 0.38-0.43 | 0.75-1.00 | 0.035 | 0.040 | 0.15-0.35 | – | 0.8-1.10 | 0.15-0.25 |
| EN 10250 | 42CrMo4/ 1.7224 |
0.38-0.45 | 0.6-0.9 | 0.035 | 0.035 | 0.4 | – | 0.9-1.2 | 0.15-0.30 |
| JIS G4105 | SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.03 | 0.15-0.35 | – | 0.9-1.2 | 0.15-0.30 |
Mechanical Properties
| Properties | Metric | Imperial |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Tensile strength | 655 MPa | 95000 psi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Yield strength | 415 MPa | 60200 psi |
| Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) |
13 | 13 |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 25.70% | 25.70% |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Hardness, Brinell | 197 | 197 |
| Machinability (based on AISI 1212 as 100 machinability) | 65 | 65 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
Warehouse storage
Our company is a quality benchmark enterprise in Shandong Province, a national contract-abiding and credit-abiding enterprise, and a national, industry and group standard unit for "Colored Steel Plate for Building Decoration". We have many customers all over the world, and our products are exported to Asia, the Middle East, America, Europe, Africa and other countries, enjoying a good reputation at home and abroad. Up to now, we have also established long-term, win-win partnerships with a number of large steel mills.

Packing and delivery
We are the first-level agent for Chinese state-owned enterprises Shanghai Baosteel and Taigang Iron and Steel Group. Our products can meet every unique requirement of our customers. We provide customized services. We can support customers with quality inspections if needed. We can provide competitive prices, good quality control, purchasing suggestions. Welcome to inquire and order!

CERTIFICATE OF HONOR
OUR SERVICE
1 : Prime quality and reasonable price.
2 : Wide excellent experiences with after-sale service.
3 : Every process will be checked by responsible QC which insures every product's quality.
4 : Professional packing teams which keep every packing safely.
5 : Trial order can be done in one week.
6 : Samples can be provided as your requirements
FAQ
Q2:Does the product have quality inspection before loading?
A:Of course, all our products have undergone strict quality inspection before packing.
Q3:Can you provide the samples free?
Q4:What about product prices information?
A:Prices various according to periodic price changes of raw materials.
Q6:What is your terms of payment ?
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