Steel Grade
Explore Detailed Steel Grades, Mechanical Properties, and Industry Standards for Hengze Steel Products
International Steel Grade Standards Comparison
| Standard System | Common Designations | Typical Standards | Main Applications |
|---|---|---|---|
| Australian Standard (AS 1397) | G250, G300, G350, G450, G550 | AS 1397 | Construction, roofing, structural components |
| European Standard (EN 10346) | S220GD, S250GD, S280GD, S320GD, S350GD, S550GD | EN 10346 | Building panels, automotive, general forming |
| Japanese Standard (JIS) | SGCC, SGCD, SGCE, SPCC, SPCD | JIS G3302, JIS G3141 | Appliances, automotive panels, general sheet metal |
| Chinese Standard (GB/T) | Q195, Q235, Q255, Q275 | GB/T 700 | Structural steel, machinery, general engineering |
| U.S. Standard (ASTM A653) | CS Type A/B/C, FS, DDS, EDDS, SS33–SS80, HSLA | ASTM A653 | Automotive, construction, appliances, industrial fabrication |
G-Series Steel (AS 1397)
Australian Standard AS 1397 defines specifications for hot-dipped metallic-coated steel, commonly used in construction, roofing, and structural applications.
G250 Steel
G250 is a mild galvanized structural steel per AS 1397 with ~250 MPa yield, easily weldable and formable, commonly used in general fabrication and structural components.
G300 Steel
G300 is a galvanized structural steel per AS 1397 with ~300 MPa yield strength, balancing strength and workability for general roofing and light structural applications.
G350 Steel
G350 is an AS 1397 structural galvanized steel offering 350 MPa minimum yield, ductile performance, and spangled surface, suitable for roll-formed sections in construction and..
G450 Steel
G450 is a galvanized structural steel (AS 1397) with a minimum 450 MPa yield strength, good formability, and corrosion resistance—ideal for roll-forming and light steel structures.
G500 Steel
G500 is a galvanized structural steel (AS 1397) with a minimum 500 MPa yield strength, good formability, and corrosion resistance—ideal for roll-forming, heavy-duty cladding, and high-strength light..
G550 Steel
G550 is a high-strength galvanized structural steel (~550 MPa yield) combining durability with corrosion resistance, ideal for demanding structural and coating applications.
SxxGD-Series Steel (EN 10346)
SxxGD steel, per EN 10346, is a hot-dip coated steel series including galvanized and Al-Zn coated products. It is ideal for roofing, building facades, HVAC ducts, and light structural applications, offering good corrosion resistance and formability.
S220GD
S220GD is a galvanized structural steel (EN 10346) with a minimum 220 MPa yield strength, good formability, welding performance, and corrosion resistance—widely..
S250GD
S250GD is a hot-dip galvanized steel (EN 10346) with 250 MPa yield strength, cost-effective and reliable for medium-strength structural applications.
S280GD
S280GD is galvanized structural steel (EN 10346) with 280 MPa yield strength, combining good strength and corrosion resistance for general structural uses.
S320GD
S320GD is EN 10346 galvanized steel with 320 MPa yield strength, offering durability and processability for building façades and structural components.
S350GD
S350GD is a galvanized structural steel (EN 10346) with 350 MPa yield strength, corrosion-resistant and suited for construction requiring moderate load-bearing capacity.
S390GD
S390GD is an EN 10346 galvanized structural steel offering 390 MPa yield strength, good formability, and corrosion resistance—used in civil and vehicle engineering.
S550GD
S550GD is a hot-dip galvanized structural steel (EN 10346) with a minimum 550 MPa yield strength, excellent corrosion protection, used in heavy structural and..
DX51D
DX51D is a widely used cold-rolled galvanized steel with basic corrosion protection, good workability, and compatibility for general metal fabrication.
DX52D
DX52D is cold-rolled galvanized steel with a smooth surface and good formability, suitable for home appliance casings and light structural sheet metal uses.
DX53D
DX53D is a cold-rolled galvanized steel grade with enhanced surface finish and moderate strength, commonly used for decorative panels and protective cladding.
DX54D
DX54D is a deep-drawing cold-rolled galvanized steel (EN 10346) with excellent surface quality and formability, ideal for complex automotive and appliance panels.
DX55D
DX55D is a hot-dip galvanized steel (EN 10346) with excellent surface finish and high ductility, ideal for complex automotive panels and premium appliances.
ASTM A653 Steel Grades (U.S. Standard)
ASTM A653 Steel Grades (U.S. Standard) cover cold-rolled and hot-dip galvanized steels, widely used in construction, automotive, appliances, and general manufacturing applications.
CS Type A/B/C
Commercial Steel (CS Type A/B/C) for general forming and light structural applications, widely used in construction, building panels, and household appliances.
FS
Forming Steel (FS) designed for moderate forming and shaping, suitable for automotive panels, household appliance parts, and general sheet metal fabrication.
DDS / EDDS
Deep Drawing Steel (DDS) and Extra Deep Drawing Steel (EDDS) with high ductility for complex stamping, deep drawing, and intricate component forming...
SS33–SS80
Structural Steel (SS33–SS80) grades with defined yield strength, used in construction, heavy equipment, industrial frameworks, and load-bearing structural...
HSLA
High-Strength Low-Alloy Steel (HSLA) combining lightweight and high strength, ideal for critical structural parts, automotive components, and performance..
SGCC / SPCC Series Steel (JIS)
Japanese JIS and European EN standards specify cold-rolled and galvanized steel grades, widely applied in automotive, appliances, and manufacturing industries.
SECC Steel
SECC (Electro-galvanized cold-rolled steel) offers smooth finish, weldability, and corrosion resistance, ideal for electronic housings and precision parts.
SGCC
SGCC is hot-dip galvanized cold-rolled steel with effective corrosion protection and formability, widely used in building panels, automotive, and appliance shells.
SPCC
SPCC is cold-rolled mild steel (uncoated), valued for fine surface finish and formability, suitable for painted or plated fabrication and structural stamping.
Q235 vs Q195 Steel (GB Standard)
Q195 and Q235, under Chinese GB/T 700 standard, are common carbon structural steels. They are widely used in building structures, bridges, machinery parts, and general industrial manufacturing.
Q195
Q195 is a mild low-carbon steel with excellent ductility, good weldability, and reliable forming performance. It is commonly used for light-duty structural components, wire products, pipes,
Q235
Q235 is a mild low-carbon steel with higher strength than Q195, offering good weldability and machinability. It is widely used in general structural applications, medium-load frames, building components,
Q255
Q255 is a mild low-carbon steel with higher strength than Q235, offering good weldability and machinability. It is widely used in general structural applications, medium-load frames, building components,
Steel FAQS
A: EN 10346 is the European standard for continuously hot-dip galvanized steel sheets and coils. It defines product grades like DX51D and S350GD, widely used in automotive, construction, and appliance manufacturing industries.
A: The DX series is mainly for non-structural applications, ideal for stamping and forming, while the S series is structural steel with various yield strength grades designed for load-bearing and building envelope applications.
A: SPCC is a cold-rolled carbon steel sheet without zinc coating, commonly used for general fabrication. SECC is electro-galvanized steel based on cold-rolled steel, offering enhanced corrosion resistance.
A: SGCC is used for general galvanized steel applications, SGHC is suitable for deep drawing and stamping parts, and SGCD is designed for higher strength and corrosion resistance structural components.
A: Q195 is a low-strength carbon steel for light structural and general engineering uses; Q235 offers higher strength for medium-load structures; Q345 is a low-alloy high-strength steel for heavy-duty structural applications.
A: GB/T 2518 defines the technical requirements, chemical composition, mechanical properties, and testing methods for hot-dip galvanized steel sheets, ensuring product quality and corrosion resistance.
Technical Support Menu
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G-Series Steel (AS 1397)G-Series Steel (AS 1397)
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SxxGD-Series Steel (EN 10346)SxxGD-Series Steel (EN 10346)
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ASTM A653 Steel GradesASTM A653 Steel Grades
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SGCC / SPCC Series Steel (JIS)SGCC / SPCC Series Steel (JIS)
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Q235 vs Q195 Steel (GB)Q235 vs Q195 Steel (GB)
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Steel FAQSSteel FAQS
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