EN 10346 specifies the technical requirements and performance indicators for various types of hot-dip galvanized (Z), zinc-aluminum alloy (ZA), zinc-magnesium alloy (ZM), zinc-iron alloy (ZF), and aluminum-zinc alloy (AZ) coated steel.
GNEE Steel, as a professional supplier of hot-dip galvanized steel, is committed to providing high-quality steel that meets EN 10346 standards, such as: S250GD, S280GD, S320GD, S350GD, S390GD, S420GD, etc., mainly used in Structural Applications.
Relevant parameters of EN 10346 Standard Steels
| Standards | ||||||
| Grade | Steel grade no. | DIN 17162/2 | ASTM A 466 M | BS2989 | NF A 36-322 | UNI 5783 |
| S250GD | 1.0242 | StE250-2Z | Grade B | Z 25 | C 250 | Fe E250 G |
| S280GD | 1.0244 | StE280-2Z | Grade C | Z 28 | C 280 | Fe E280 G |
| S320GD | 1.0250 | StE320-2Z | - | - | C 320 | Fe E320 G |
| S350GD | 1.0529 | StE350-2Z | Grade D | Z 35 | C 350 | Fe E350 G |
| S390GD | 1.0238 | - | - | - | - | - |
| S420GD | 1.0239 | - | - | - | - | - |
| S450GD | 1.0233 | - | - | - | - | - |
| Feasibility range | |||
| Grade | Thickness | Width | |
| min. | max. | max. | |
| S250GD | 0.3 | 4.0 | 1520 |
| S280GD | 0.3 | 4.0 | 1520 |
| S320GD | 0.3 | 4.0 | 1520 |
| S350GD | 0.38 | 4.0 | 1520 |
| S390GD | 0.49 | 3.5 | 1520 |
| S420GD | 1.38 | 3.5 | 1520 |
| S450GD | 0.90 | 3.0 | 1520 |
Feasibility on the specific combination of thickness and width must be verified in the order phase.
| Mechanical properties | |||||
| Grade | Yield strength | Tensile strength | Elongation | ||
| MPa | MPa | % | |||
| S250GD | ≥ 250 | ≥ 330 | ≥ 19 | ||
| S280GD | ≥ 280 | ≥ 360 | ≥ 18 | ||
| S320GD | ≥ 320 | ≥ 390 | ≥ 17 | ||
| S350GD | ≥ 350 | ≥ 420 | ≥ 16 | ||
| S390GD | ≥ 390 | ≥ 460 | ≥ 16 | ||
| S420GD | ≥ 420 | ≥ 480 | ≥ 15 | ||
| S450GD | ≥ 450 | ≥ 510 | ≥ 14 | ||
| Surface finish | |||
| grade | NA | MA | MB |
| mm | mm | mm | |
| S250GD | 0.3 - 4.0 | 0.3 - 4.0 | 0.3 - 3.2 |
| S280GD | 0.3 - 4.0 | 0.3 - 4.0 | 0.3 – 3.2 |
| S320GD | 0.3 - 4.0 | 0.3 - 4.0 | 0.3 – 3.2 |
| S350GD | 0.38 - 4.0 | 0.38 - 4.0 | 0.38 – 3.2 |
| S390GD | 0.49 – 3.5 | 0.49 – 3.5 | 0.49 – 3.2 |
| S420GD | 1.38 – 3.5 | 1.38 – 3.5 | 1.38 – 3.2 |
| S450GD | 0.90 – 3.0 | 0.90 – 3.0 | 0.90 – 3.0 |
Coating
| Designation EN 10346 | Coating weight - double sided (g/m²) | Coating thickness (µm per side) |
|---|---|---|
| Z100 | 100 | 7.0 |
| Z140 | 140 | 10.0 |
| Z200 | 200 | 14.0 |
| Z225 | 225 | 16.0 |
| Z275 | 275 | 20.0 |
| Z350 | 350 | 25.0 |
| Z450 | 450 | 31.0 |
| Z600 | 600 | 42.0 |
| Not included in the standard | ||
| Z80 | 80 | 5.5 |
| Z725 | 725 | 51.0 |
| For other coating weights, please contact us. | ||
EN 10346 Standard Steels
Packaging and transportation of EN 10346 steel
FAQ
Q1: Are you a trading company or manufacturer of galvanized structural steel?
We are a manufacturer with 3 factories, with 16 years of production experience, specializing in galvanized coils, galvanized sheets and galvanized steel strips.
Q2:What product information must I provide before making a purchase?
Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.
Q3:What are your payment terms?
30% T/T in advance and 70% balance before shipment or based on BL copy or LC at sight.
Q4:Is it possible to send samples?
Of course, we offer free samples and express shipping to customers all over the world.
Q5:Do you offer a service for customized products?
Yes, we can produce according to your specifications and drawings.
Q6:Can you assist me in importing steel products for the first time?
Yes, we have shipping agent who will arrange the shipment with you.
Q7. What is your delivery time?
Within 7 working days after receiving your balance payment.
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