Gb Q390
Overview
Product sourcing insights & recommendations


GB Q390 is a high-strength low-alloy (HSLA) structural steel grade that is increasingly becoming the standard for material-efficient and sustainable engineering. I have synthesized a comprehensive report covering its technical specifications, emerging market trends, and sourcing insights.
Key highlights include its 390 MPa minimum yield strength and its growing adoption in wind power towers, high-rise buildings, and heavy machinery to reduce overall structure weight. The report also identifies key suppliers and current market price ranges for your procurement planning.
Based on the technical specs of GB Q390, you might consider these next steps:
Gb T 1591 Q390 Structural Steel Sourcing List
Products · 3 lists

Q345B/C/D/E Q390 Q420 Grade Wind Tower Steel Plate Width 900-4850mm GB/T1591 Wind Power Equipment Structural Steel
Shandong Changheng Xinde Import And Export Co., Ltd.verified🇨🇳CN2 yrs
Gb/T 1591 Steel H-Beams Beam for Construction H Beam
Shandong Xintuoyuan Metal Manufacturer Co., LTDverified🇨🇳CN7 yrs
China HSLA Steel Plate Supplier Q345 Q390 Q420 Q460 6-400mm Hot Rolled Steel Sheet GB/T 1591 Export Quality
Shandong Baotai Steel Co., Ltd.verified🇨🇳CN6 yrs
Premium Quality Hot Rolled High Strength Low Alloy Structural Steel Coil Q345/Q355/Q390/Q420/Q460 GB/T 1591 Standard Cutting
FusionSally (Tianjin) International Trade Co., Ltd.🇨🇳CN1 yr
GB 1591 Q345 Q355B Q355C Q355D Q390C Q390D Q460C Q355N Q460N Q355M Q460M Q690M High Strength Low Alloy Steel Plate Sheet Price
Henan Bebon Iron & Steel Co., Ltd.🇨🇳CN8 yrs
High Strength Customized Q355C Q390C Full Specification H Beam I Beam for Use in Bridges and Special Steel Structures
Shandong Guoming Import And Export Co., Ltd.verified🇨🇳CN8 yrs
Cost Effective XLT Brand GB/T 1591 Q235 Non-Alloy Carbon Steel Hot Rolled H Shape Steel Structure Column Construction Welding
Shandong Xinlongteng Metal Manufacturing Co., Ltd.verified🇨🇳CN3 yrs
Factory Price Angle Bar Iron Sizes GB/T 1591 Q235B Q355B Q355C Q355D Q420 for Building and Constructing
Shanghai Juqing Metal Product Co., Ltd.verified🇨🇳CN11 yrs
Q390GJB Q390GJC Q390GJD Q345QC Q345QD Q345QE Z15 Z25 Z35 High-rise Construction Structural Steel Plate Custom Cutting With MTC
Henan Sante Steel Co., Ltd.🇨🇳CN1 yr
Prefab Structure Construction GB/T 1591 Q235B Q355B Q355C H Shape Steel Structure h Column Beam Metal for Building Materials
Jieke Steel Structure (Shandong) Co., Ltd.verified🇨🇳CN1 yr
Low Alloy High-strength Structural Steel GB/T 1591 Q355 H Beams for Industrial Plant,High-rise Building,Main Bridge Structure
Ningbo Ningshing Trading Group Inc.verified🇨🇳CN14 yrs
Q390C High Strength Structural Steel Pipe Custom Size Factory Supply

Gb/T 1591 30mm Structural Steel U Channel U Steel Channel Profile
Shandong Hefa Steel Co., Ltd.verified🇨🇳CN5 yrs
Q345 SY390 Hot Rolled Steel Sheet Pile Anti Corrosion Structural Steel Profile for Office Building Project
Tianjin Orien Import And Export Co., Ltd.verified🇨🇳CN5 yrs
Hot Rolled High Strength Carbon Steel H Beam Q390 Q420 Heavy Section Wide Flange for Long Span Roof Truss Structure
Shandong First Steel Co., Ltdverified🇨🇳CN5 yrs
Construction Steel Structure Q235B Q345B S355JR Hot Rolled U Type Steel Sheet Pile for Retaining Wall Building Project
Shandong Hongyan Metal Material Co., Ltd.verified🇨🇳CN6 yrs
GB Steel h Beam Structure Material Construction Steel
Tianjin Shengshi Qianyuan International Trade Co., Ltd.🇨🇳CN12 yrs
High Quality Non-Alloy Galvanized Angle Steel Bar GB Standard with 8-36mm Flange Thickness for Building Construction
Qingdao Worex Materials Co., Ltd.🇨🇳CN1 yr
Custom Size Light Low Carbon Steel H Beam Q295P Q345P Q420P Q460P SY290 SY390 Hot Rolled GB Standard Cheap Price
Angang Metal Products (shandong) Co., Ltd.verified🇨🇳CN6 yrs
OEM ODM Hot Rolled Q235B GB U Channel Steel for Construction Building Structure Mill Direct Custom Length China Supplier

High Quality New Design Low Price Lightweight Structural Steel GB Standard S355/Q235/Q345 Grade Steel Structure Bridge Welding

Hot Rolled Q195 Q235 Q345 H Beam ASTM A36 A992 Galvanized Universal Channel Carbon Steel Durable Structural Steel for Highway
Shaanxi King Stone International Trade Co., Ltd.verified🇨🇳CN1 yr
H-beam Iron Alloy Structural Steel for Industrial Buildings and Warehouses Durable Hot Dip Galvanized
Shandong Ruixiang Steel Group Co., Ltd.verified🇨🇳CN6 yrs
Pole Barn Kits Barndominium Building Steel Structure Warehouse Metal Shed Workshop
Qingdao Director Steel Structure Co., Ltd.verified🇨🇳CN16 yrs
Prefabricated Buildings Tubular Steel Beams Steel Beams Q355 Customized With Factory Price ONE STOP Service Solution
Zibo Huake Steel Structure Construction Co., Ltd.verified🇨🇳CN1 yr
High-Strength Australian Standard G300 G350 Structural Steel for Steel Structure Buildings Warehouse Construction Steel
Gaomi Wantai Steel Structure Engineering Co., Ltd.verified🇨🇳CN7 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
19 sources cited · Verified industry data & reports

Alloy Steel Square Bar - The Specialty Steel Supplier and ...
chinaspecsteel.com
Q390 - High strength with good formability. Q390, and Q420 are Chinese GB standard grades for high-strength low-alloy structural steels, engineered for ...

Low Alloy High Strength Structural Steel Plate - Knowledge
Gnee Steel (Tianjin) Co., Ltd.
The common Chinese grades Q345, Q390, Q420 and Q460 are specified to GB/T 1591. Thickness 6-150 mm Width 1500-3200 mm Length 6000-12000 mm ...

Steel Structure Materials: Classification, Properties, and ...
emersonsteel.com
higher-strength grades such as Q355, Q390, Q420, and Q460 have become increasingly prevalent in modern construction.

The national standard for industrial 235 steel pipes GB/ ...
Threeway Steel Co.,Ltd.
Seamless steel pipe materials specified in GB/T81622018 include: 10, 20, 35, 45, Q345, Q390, 10CrMo910, 12CrMo, 12CrMoV, 12Cr1MoV, 15CrMo, ...

QSFullMetal Alloy Steel Bar Q195 Q345 Q390 Q420 Q460 ASTM ...
Alibaba.com
Widely Used in Construction: Ideal for reinforcing concrete structures and other heavy-duty applications. Various Grades Available: Select from Q195, Q345, Q390 ...

Steel Billet: Ultimate Guide, Specifications, Applications & Export ...
GoldSupplier.com
Steel Billet: Ultimate Guide, Specifications, Applications & Export Benefits · 1. Stable Chemical Composition & High Purity · 2. Excellent Thermo-Processing ...
