High-strength steel FH32 grade plates

High-strength steel FH32 is low alloy steel and is usually applied to manufacture the vessel or ship hull. It has much in common with traditional steels used in construction. However, FH32 grade plates have their own features related to operating conditions.

For FH32 steel plates, alloying additives are used when smelting the steel that change and improve its properties. For example, copper is used as an additive specifically in shipbuilding steel. The copper additives make FH32 plates have higher resistance to corrosion during operation. The undersea part of the vessel hull, which is built using steel FH32, does not become as fouled. Therefore, risks of hull breach and maintenance costs are reduced.

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High-strength steel FH32 grade plates

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High-strength steel FH32 grade plates Specification[email protected]

High-strength steel FH32 grade plates chemical composition:
(heat analysis, % max unless otherwise specified)

C Si Mn P S Al Min. Cb V Ti Cu Cr Ni Mo Ca N
0.16 0.10-0.50 0.90-1.60 0.025 0.025 0.015 0.02-0.05 0.05-0.10 0.02 0.35 0.20 0.80 0.08 0.005 0.009

Notes: 1) If the content of soluble aluminum is not less than 0.015 %, the minimum required silicon content does not apply.
2) N content is 0.012 if aluminum is present.

High-strength steel FH32 grade plates mechanical property:

Grade   Strength Charpy V Impact Test
Thickness Yield strength Tensile strength Temperature Transverse Longitudinal
FH32 mm Min Mpa Mpa -60℃ J J
t≤50 315 440-590 22 31
50<t≤70 315 440-590 26 38
70<t≤100 315 440-590 31 46

High-strength steel FH32 equivalent grades:

ABS LR BV DNV GL RINA NK CCS KR RMRS
F32 FH 32 FH32 NV F32 GL-F32 FH32 KF32 F32 RF 32 F32

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Henan BEBON Iron & Steel Co., Ltd was founded in 2000, which initially focus on providing high-quality steel products to serve for China's rapid infrastructure development. Based on the advantages of steel resources in domestic market and good reputation, combining with the huge international market demand for steel products, BEBON started the international business in 2010 and successfully being approved and certified by ISO9001:2008, the Registration number is 626014Q11531R0S. With the quality steel products and professional service, BEBON was award the international acclaim from infrastructure, shipbuilding, petroleum industry etc., and gradually grow into a bright star in the steel export industry .

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