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GB 150 Approved Seamless Steel Tubes – Pressure Vessel Standard
Permissible Standards: GB/T 8163, GB 9948, GB 6479, GB 5310, GB/T 14976, GB 13296
Product Overview
GB/T 150.2-2011 compliant seamless steel tubes for pressure vessels – shells, heat exchangers, nozzles, and pressure piping.
Design Limits: -253℃ to 800℃ | ≤35 MPa
Permissible Standards: GB/T 8163, GB 9948, GB 6479, GB 5310, GB/T 14976, GB 13296
✅ GB/T 150.2-2011 – Chinese pressure vessel safety code
✅ Full standard range – one-stop sourcing
✅ Proper application restrictions observed
✅ Impact tested grades for low temperature
✅ 100% hydrostatic tested
✅ EN 10204 3.1 MTC with heat number
Standard Selection Guide
| Standard | Best Application | Restriction |
|---|---|---|
| GB 9948 | Heat exchanger tubes (recommended) | Cold drawn required |
| GB 6479 | High pressure, low temp (-40℃) | S ≤0.020% |
| GB 5310 | High temperature service | — |
| GB/T 8163 | Non-critical (≤4.0 MPa) | Not for heat exchangers |
Low Temperature Grades
| Grade | Standard | Service Temp | Impact (J) |
|---|---|---|---|
| Q345D | GB 6479 | -20℃ | ≥34 |
| Q345E | GB 6479 | -40℃ | ≥34 |
Contact
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website:
Tags: GB 150 Pressure Vessel Tube Seamless Steel Pipe GB 9948 GB 6479 Chinese Standard
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