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GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo

GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo thumbnail-1
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo thumbnail-2
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo thumbnail-3
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo thumbnail-4
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo thumbnail-5
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo photo-1
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo photo-2
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo photo-3
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo photo-4
GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo photo-5

Product Spotlights

GB/T 9948 seamless steel tubes for petrochemical and chemical refining facilities – furnace tubes (cracking tubes), heat exchanger tubes, and pressure piping. Current standard GB/T 9948-2025 . Grades: 10, 20 (carbon), 15CrMo (Cr-Mo alloy – most popular for furnace)
Negotiable MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Type:
Seamless
Warranty:
1 Y
Technique:
Cold Drawn
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Wuxi Hengzhihui Metal Materials Co., Ltd.
Gold Verified Supplier
1Yr
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
30 days

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Type Seamless
Warranty 1 Y
Technique Cold Drawn
Surface Treatment Black
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Other
Material Carbon Steel
After-sales Service Y
Section Shape Round
Transport Package Hexagonal or square bundle
Specification 6-256MM
Trademark N/A
Origin CHINA

GB/T 9948 Seamless Steel Tube – Petrochemical and Refining Facilities

Grades 10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo – Current Standard: GB/T 9948-2025

Product Overview

GB/T 9948 seamless steel tubes for petrochemical and chemical refining facilities – furnace tubes (cracking tubes), heat exchanger tubes, and pressure piping. Current standard GB/T 9948-2025 .

Grades: 10, 20 (carbon), 15CrMo (Cr-Mo alloy – most popular for furnace)
OD: 6mm – 530mm | WT: 1.5mm – 40mm

✅ GB/T 9948-2025 – effective 2026-01-01 
✅ High temperature furnace tubes (up to 600°C with 1Cr5Mo)
✅ 100% hydrostatic tested – 45 MPa conventional 
✅ Heat treated – normalized, normalized + tempered, annealed
✅ Low P/S limits – H₂S resistant
✅ EN 10204 3.1 MTC with heat number

Grade Selection – Petrochemical Applications

Grade Tensile (MPa) Yield (MPa) Max Temp Application
20 410-550 ≥245 450°C General furnace, heat exchanger 
15CrMo 440-640 ≥235 550°C Furnace tubes – high temperature 
1Cr5Mo ≥390 ≥195 600°C Severe oxidation/H₂S service 

Most Popular Sizes – Furnace Tubes

OD (mm) WT (mm) Grade Application
60.3 4.0 – 8.0 20 Convection section
76 5.0 – 10.0 15CrMo Radiant furnace tubes
89 5.0 – 12.0 15CrMo Radiant furnace tubes
114 6.0 – 12.0 1Cr5Mo High temp furnace

Contact

📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website:

Tags: GB/T 9948 Petrochemical Tube Refinery Tube Seamless Steel Pipe Petroleum Cracking Tube Furnace Tube

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Product Tags: Petrochemical Tube , Petroleum Cracking Tube , Furnace Tube

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Wuxi Hengzhihui Metal Materials Co., Ltd.
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2021
Factory Size
50,000-100,000 square meters
Annual Export Value
Below US$1 Million
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