20g High Pressure Seamless Boiler Tube

• Customization: Available
• Application: Chemical Industry, Oil and Gas Industry, Water Treatment Plants
• Certification: CE, ISO9001
• Model NO.: 20G
• End Connection: Beveled End
• Length: Custom Length
• Outer Diameter: 1/4 Inch to 64inch
• Wall Thickness: Sch 5s-Sch Xxs
• MOQ: 1PCS
• Price Term: EXW Fca Fob CIF CFR;etc
• Inspection: in Line Inspection and Accept 3rd Party Inspection
• Payment Term: Tt/LC
• Transport Package: Woven Bag
• Specification: Standard and Custom
• Trademark: Kingmetal
• Origin: China

Product Description

GB 5310 20G High Pressure Boiler Tubes

GB 5310 standard is applicable to steam boilers and pipeline seamless pipes for the manufacture of high pressure and above.

20G steel pipe is GB / 5310 national standard steel grade (foreign corresponding brands: Germany ST45.8, Japan stb42, America sa106b), which is the most commonly used boiler steel pipe.

Specification

Applications

GB / 5310 20G steel pipe has certain strength at normal and medium high temperature, low carbon content, better plasticity and toughness, and good cold and hot forming and welding performance.

20G (high quality carbon structural steel pipe) supplied according to GB5310 is used as heating surface pipe fittings, and the maximum wall temperature for long-term use is ≤ 450 ° C. when GB5310 20G seamless steel pipe is used as header and steam pipe, the long-term use temperature shall be ≤ 425 ° C. 

Quick Details
Manufacture:Seamless process ,Hot-finished or Cold-finished
Wall thickness(WT): 2.8 mm--150 mm.
Outer diameter (OD): 23 mm--1500 mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded

Marking

Thickness

Loading 

Technical Specifications

Chemical composition of GB 5310 20G

C	Si	Mn	Cr	Mo	V	Ni	Al	Cu	P max
0.17~0.23	0.17~0.37	0.35~0.65	≤0.25	≤0.15	≤0.08	≤0.25	≤0.015	≤0.20	0.025

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FAQ

Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Can I request a customized bucket size?
A: Absolutely! Please send us the detail size.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, CO,Form E,FTA, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.