DX51D+Z galvanized steel is one of the most widely specified grades for hot-dip galvanized steel. DX51D signifies a steel grade for cold forming, specifically defined as “Bending and Profiling Quality.”
Its primary characteristic is not high strength, but rather excellent ductility and formability, which are achieved through controlled chemical composition and processing. The ‘+Z’ suffix indicates that the steel substrate is protected by a hot-dip coating of pure zinc, providing effective and reliable corrosion resistance. Combining its dependable formability, robust corrosion protection, and outstanding cost-effectiveness, DX51D+Z serves as a versatile and foundational material across numerous industries.
Why Choose Us
1. Consistent Quality – Quality is Our Lifeline
With great majority of raw materials from Baosteel, we ensure full in-house production control. Complete testing of mechanical properties with guaranteed thickness/width tolerance compliance.
2. Export Specialists – We Handle the Complexities
As 10+ years serving major overseas manufacturers, we can professionally handle the requirements of compliance, documentation, and shipping with proven track record.
3. Convenient Resources – As Easy As Local Supply
Flexible orders from small batches to large volumes. Multiple shipping options(LCL, FCL, Bulk Carrier) with dedicated after-sales support and regular customer visits.
4. Low Minimum Order & Sample Availability
We accept small orders starting from 0.5–5 tons and provide samples for evaluation, helping you verify quality before bulk purchasing.
Product Serve
| Grade | DX51D+Z | Certificate | IATF 16949:2016, ISO 45001, ISO 9001, ISO 14001 |
| Standard | GB/T, EN, JIS, ASTM | Technique | Cold Rolled |
| Thickness (mm) | 0.15-6.00 (Required) | Surface | zero, small, regular, large spangle |
| Width (mm) | 10-1500 (Provide slitting service) | MOQ | 0.5 Ton |
| Coil ID (mm) | 508/610 | Delivery Time | 2-4 weeks (Negotiate) |
| Production period | 2-4 weeks (Negotiate) | Package | Standard Package,Deluxe Package, Export Package |
Product Parameters
The chemical compositions and physical properties of each grade are as follows. We Strict compliance with customer requirements for thickness and width tolerances. Our fully in-house production line ensures consistent material stability at all times.
| Grade | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ti(%) |
|---|---|---|---|---|---|---|
| DX51D+Z | ≤ 0.18 | ≤ 0.5 | ≤ 1.2 | ≤ 0.12 | ≤ 0.045 | ≤ 0.3 |
| DX52D+Z | ≤ 0.12 | ≤ 0.5 | ≤ 0.6 | ≤ 0.1 | ≤ 0.045 | ≤ 0.3 |
| DX53D+Z | ≤ 0.12 | ≤ 0.5 | ≤ 0.6 | ≤ 0.1 | ≤ 0.045 | ≤ 0.3 |
| DX54D+Z | ≤ 0.12 | ≤ 0.5 | ≤ 0.6 | ≤ 0.1 | ≤ 0.045 | ≤ 0.3 |
| DX56D+Z | ≤ 0.12 | ≤ 0.5 | ≤ 0.6 | ≤ 0.1 | ≤ 0.045 | ≤ 0.3 |
| Grade | Tensile Strength (N/mm²) | Yield Strength (N/mm²) | Elongation (%) | Hardness (Hv0.5) |
|---|---|---|---|---|
| DX51D | No requirement | 270 – 500 | ≥ 22 | 100-125 |
| DX52D | 140 – 300 | 260 – 420 | ≥ 26 | 105-130 |
| DX53D | 140 – 260 | 260 – 380 | ≥ 30 | 115-140 |
| DX54D | 120 – 220 | 260 – 350 | ≥ 36 | 140-165 |
| DX56D | 120 – 180 | 260 – 330 | ≥ 39 | 140-165 |
Our engineering team is available to assist with your unique project needs. Feel free to contact us to discuss your application, and we will gladly provide material suggestions and arrange for samples.
And all our product can be supplied as large spangle, regular spangle, small spangle, zero spangle.
Grade Equivalent Chart
| GB/T 2518 | EN 10346 | JIS G3302 | ASTM A653M |
|---|---|---|---|
| DX51D+Z | DX51D+Z | SGCC | CS TypeC |
DX51D+Z Steel Coil (Zero Spangle)
DX51D+Z Steel Coil (Large Spangle)
DX51D+Z Steel Coil in Processing
Based on its excellent formability, reliable corrosion resistance, and cost-effectiveness, DX51D+Z is widely used in the following applications:
- Construction & Building: Roofing and wall panels, gutters and downspouts, HVAC ducting, non-structural steel framing.
- Home Appliances: Refrigerator side panels, washing machine casings, air-conditioner outdoor units, water heater shells.
- General Manufacturing & Hardware: simple brackets, toolboxes, agricultural equipment parts.
If you have requirements for your product’s performance, but are not sure about the most suitable grade, or want to know more information about a specific grade, please do not hesitate to contact us.
Factory certificates
Our factory fully certified under IATF 16949, ISO 9001, ISO 14001, and ISO 45001 standards.
Performance Test
For each exported batch of high-carbon steel, we measure thickness and width to confirm they meet your specifications. Upon request, we can also provide metallographic examination, tensile & elongation test and hardness testing.
Trust by foreign customers
With over 10 years of export experience, we have delivered thousands of tons to customers in more than 20 countries and earned widespread acclaim.
