Product List
Gangsteel Material Solution
Email: admin@gangsteel.com
Sales: jack@gangsteel.com
At Gangsteel, we’re excited to delve into the S355N Z35 through-thickness toughness, a critical feature of this high-strength, low-alloy structural steel under EN 10025-3, enhanced with Z35 quality for superior ductility in heavy welded structures. S355N Z35 is designed to prevent lamellar tearing in thick plates, making it ideal for demanding applications like bridges, cranes, and offshore platforms in moderate climates.
As part of the en 10025 3 normalized steel plate family, S355N Z35 offers a minimum yield strength of 355 MPa, -20°C toughness, and ≥35% reduction of area through thickness per EN 10164. Gangsteel explores S355N Z35 through-thickness toughness, its chemical composition, mechanical properties, and applications, comparing it to grades like en 10025 3 s420n normalized structural steel plate and en 10025 3 s460n normalized structural steel plate. For more details, visit our en 10025 3 s355n normalized structural steel plate page.
What is S355N Z35?
S355N Z35 is a high-strength structural steel under EN 10025-3, with Z35 quality per EN 10164, ensuring ≥35% reduction of area through thickness to prevent lamellar tearing in heavy welds. Its designation, also known as material number 1.0545 with Z35, breaks down as:
The normalization process refines the grain structure, and Z35 quality enhances ductility, making S355N Z35 ideal for thick plates in welded structures. Compared to en 10025 3 s460n normalized structural steel plate, S355N Z35 offers lower strength (355 MPa vs 460 MPa) but superior weld reliability for moderate-load applications.
Chemical Composition Supporting S355N Z35 Through-Thickness Toughness
Gangsteel ensures S355N Z35 meets EN 10025-3 and EN 10164 standards for optimal toughness:
|
Element |
Ladle Analysis (max %) |
Product Analysis (max %) |
Role in S355N Z35 Through-Thickness Toughness |
|
Carbon (C) |
0.20 |
0.22 |
Enhances strength, kept low for weldability and toughness. |
|
Silicon (Si) |
0.50 |
0.55 |
Aids deoxidation, improves strength and microstructure. |
|
Manganese (Mn) |
0.90-1.65 |
0.85-1.75 |
Boosts strength and toughness for load-bearing capacity. |
|
Phosphorus (P) |
0.030 |
0.035 |
Minimized to reduce inclusions, enhancing through-thickness ductility. |
|
Sulfur (S) |
0.025 |
0.030 |
Low levels prevent inclusions, critical for Z35 weld quality. |
|
Nitrogen (N) |
0.025 |
0.027 |
Controlled to avoid brittleness, supporting toughness. |
|
Aluminum (Al) |
0.020 (min, total) |
0.015 (min, total) |
Refines grains for enhanced through-thickness toughness. |
|
Niobium (Nb) |
0.05 |
0.06 |
Promotes fine-grain structure, boosting ductility. |
|
Vanadium (V) |
0.10 |
0.12 |
Increases strength, supporting toughness. |
|
Titanium (Ti) |
0.05 |
0.06 |
Refines grains, enhances ductility. |
Carbon Equivalent (CEV): Capped at 0.43% for plates up to 63 mm, calculated as CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15, ensuring weldability. Low sulfur (≤0.025%) and phosphorus (≤0.030%) minimize inclusions, critical for S355N Z35 through-thickness toughness in heavy welds,
ASTM A516 GR 70 equivalent materials is such as ASME SA516 GR 70, EN 10028 P355GH, and BS1501 224-490 A & B, sh
we supply high-quality A516 Gr 70 steel plate for pressure vessel applications and other standards like ASTM A2
EN10028-2 P355GH for High-Strength Low-Alloy Columbium-Vanadium Structural Steel EN10025-2 S355J2 Structural St
We export A240 304L Stainless Coil 2B, NO.1 No.4 surface, the thickness 0.1mm to 3mm, 3mm to 22mm, Mother mill
