Steel A36 products

Steel grade A36 characteristics

Steel grade A36 is a high-strength shipbuilding steel designed for the construction of ships and floating structures. It is made in full compliance with GOST 52927. In addition, similar products are manufactured in accordance with the requirements of International Registers of Shipping (RINA, LR, GL, DNV, DNV-GL, BV, ABS, RRSR, RSU, NKK, IRS).

Classification: High strength steel.

Products: Shipbuilding rolled steel.

 

Chemical composition of steel A36 in accordance with GOST 52927, %

С

Si

Mn

Ni

S

P

Cr

Mo

Al

Cu

≤0.18

0.15-0.50

0.90-1.60

≤0.40

≤0.025

<0.025

≤0.2

≤0.08

0.020-0.060

≤0.35

 

Mechanical properties of steel A36

Standard

Strength limit, MPa

Yield limit, MPa

Relative elongation, %

GOST 52927

490-630

≥355

≥21

 

Steel A36 analogues

Analogues of this steel are products of the same designation manufactured in accordance with the requirements of sea and river registers (Det Norske Veritas Germanischer Lloyd, Registro Italiano Navale, Bureau Veritas, Lloyds Register, Nippon Kaiji Kyokai, American Bureau of Shipping, Shipping Register of Ukraine, etc).

 

Application

High-strength steel A36 is used for making universal strip profile, hot-rolled plate, shaped and strip bars to be used for the manufacture of ship hulls and other floating facilities and structures.

 

Welding

Several additional welding techniques should be used to prevent the occurrence of cold cracks when welding high-strength A36 steel, including cascade, sections, double layer and split welding. Preheating is required.

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