Seamless Steel Tube 34CrMo4 Cold Drawn Seamless Steel Tube JIS G3429 For Gas Cylinder
Material
The material used for the seamless steel tube is 34CrMo4, which is a medium carbon and low alloy steel known for its high strength and excellent machinability. This material is commonly used in the manufacturing of gas cylinders and other pressure vessels due to its favorable combination of properties.
Specification
| Property | Specification |
| Outer Diameter | 30mm - 300mm |
| Wall Thickness | 3mm - 30mm |
| Length | 5m - 12m |
| Surface Finish | Oiled, Black Painted, Galvanized |
| Manufacturing Method | Cold Drawn |
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.30 - 0.37 |
| Silicon (Si) | 0.15 - 0.35 |
| Manganese (Mn) | 0.40 - 0.70 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.035 max |
| Chromium (Cr) | 0.90 - 1.20 |
| Molybdenum (Mo) | 0.15 - 0.30 |
Mechanical Properties
| Property | Value |
| Tensile Strength | 980 MPa min |
| Yield Strength | 850 MPa min |
| Elongation | 14% min |
| Impact Toughness | 35 J min (at -20°C) |
| Hardness | 229 HB max |
Steel Grade
The steel grade 34CrMo4 is commonly used in the manufacturing of cold-drawn seamless steel tubes as per the JIS G3429 standard. It offers a good balance of mechanical properties and weldability, making it suitable for gas cylinders and other high-pressure applications.
Application
The 34CrMo4 cold-drawn seamless steel tube, conforming to the JIS G3429 standard, finds its primary application in the production of gas cylinders. The exceptional strength, combined with the cold-drawn manufacturing process, ensures the tube's integrity even under high-pressure conditions. These tubes are widely used in various industries, including aerospace, automotive, and industrial manufacturing, where the e containment and transportation of gases are critical.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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