34CrMo4 alloy steel provides the necessary properties for gas cylinder tubes that operate in high pressure (HP) and corrosive service conditions. Compliant with GB 18248,EN 10297 and EN 10083-3 standards, these quenched and tempered seamless tubes deliver unmatched tensile strength (≥930 MPa) and hydrogen embrittlement resistance. Ideal for CNG/LNG transport, hydrogen storage, and aerospace gas systems.
- Cylinder tube, Seamless Pipe
34CrMo4 Gas Cylinder Tube
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Product Detail
Chemical Component
Related Products
Product Detail
Product Name:
34CrMo4 Gas Cylinder Tube
Standard:
GB 18248/EN 10297/EN 10083-3
Grade:
34CrMo4
Thickness:
4-18 mm
Section Shape:
Round
Outer Diameter:
89mm-368mm
Place of Origin:
Baotou, China(Mainland)
Usage:
LPG/CNG cylinders , Industrial gas storage ,Regulator connections
Surface Treatment:
Quenched and Tempered
Tolerance:
OD: ±1% WT: 0.9mm
End:
Plain,beveled,cutting,threading.flange or customized
End Protector:
Plastic caps Anti-corrosion coating
length:
4m-18m(customized)
Brand:
Baotou steel
Delivery Time:
Normally within 30-45 days and according to the quantity.
Chemical Component (GB/T 18248)
| Grade | C | Si | Mn | P | S | Cr | Mo |
| 34CrMo4 | 0.30～0.37 | 0.10～0.40 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.90~1.20 | 0.15~0.30 |
Mechanical Performance (GB/T 18248)
| Grade | Tensile strength Rm | Yield strength YS | Elongation A(％) |
| 34CrMo4 | ≥985(100) | ≥835(85) | ≥12 |
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