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JIS G3429 30CrMnSiA is a cold rolled seamless steel tube specification designed specifically for high pressure gas cylinders. This article provides an overview of the material, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades.
The JIS G3429 specification covers cold rolled seamless steel tubes for high pressure gas cylinders. It specifies the dimensions, tolerances, and technical requirements for these tubes.
The main features of JIS G3429 30CrMnSiA cold rolled seamless steel tubes are:
| Chemical Element | Content (%) |
|---|---|
| Carbon (C) | 0.27-0.34 |
| Silicon (Si) | 0.90-1.20 |
| Manganese (Mn) | 0.80-1.10 |
| Phosphorus (P) | max 0.035 |
| Sulfur (S) | max 0.035 |
| Chromium (Cr) | 0.80-1.10 |
| Nickel (Ni) | max 0.30 |
| Copper (Cu) | max 0.30 |
| Property | Unit | Minimum Value |
|---|---|---|
| Tensile Strength (Rm) | MPa | 980 |
| Yield Strength (Rp0.2) | MPa | 835 |
| Elongation (A) | % | 12 |
| Impact Energy (KV2) (J) | J | 39 |
| Hardness (HB) | HB | 269-331 |
| Hardness after Heat Treatment (HRC) | HRC | 27-31 |
The steel grade 30CrMnSiA corresponds to the Japanese Industrial Standards (JIS) designation and is widely used in the manufacturing of high pressure gas cylinders.
JIS G3429 30CrMnSiA cold rolled seamless steel tubes are primarily used for the production of high pressure gas cylinders. These cylinders find application in various industries such as:
Depending on the specific requirements and availability, alternative grades that can be considered as substitutes for JIS G3429 30CrMnSiA include:
These alternative grades possess similar properties and may be suitable for applications requiring cold rolled seamless steel tubes with comparable characteristics.
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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.
A: manufacturer,also can do trading.
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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.
