CCSAH690 structural steel for marine engineering, fixed rolling of CCSAH690 ship plate, AH690 steel

CCSAH690 structural steel for marine engineering, fixed rolling of CCSAH690 ship plate, AH690 steel

CCSAH690 is a structural steel for marine engineering certified by China Classification Society, which is divided into four quality grades: A, D, E, and F, namely AH690, DH690, EH690, FH690, H is a high-strength building material, and 690 is a lower yield strength.

CCSAH690 ship plate fixed rolling # Wugang Xiangyang #

CCSAH690 steel plate implementation standard: GBT712-2022

This document is applicable to the manufacture of ocean-going, coastal and inland navigation vessels, fishing boats and other hull structures with a thickness of not more than 150 mm and marine engineering structures with a thickness of no more than 250 mm of steel plates, steel strips and shear plates with a thickness of no more than 25,4 mm, section steel with a thickness of no more than 50 mm or bars with a diameter of no more than 50 mm (hereinafter referred to as steel).

GBT712-2022 "Structural Steel for Ships and Offshore Engineering" standard includes:

A, B, D, E, AH32. DH32,EH32. FH32AH36,DH36,EH36,FH36AH40,DH40,EH40,FH40

AH420,DH420,EH420,FH420AH460,DH460,EH46O,FH460AH500,DH500,EH500, FH500AH550,DH550,EH550,FH550AH620,DH620,EH620,FH620AH690,DH690,EH690 FH690AH790,DH790 EH790,FH790,AH890, DH890,EH890,AH960 ,DH960,EH960.

Their classification societies are certified as follows:

CCS, USA, ABS, GERMANY, GL, France, BV, Norway, DNV, Japan, NK, UK, LR, Italy, RINA, South Korea KR (Norway, DNV, Germany merged into VL).

CCSAH690 only has very high strength and has non-high toughness, wear resistance, fatigue resistance, corrosion resistance, impact resistance, seismic resistance and welding easy processing, and is often used in offshore platforms and shipbuilding such as hull manufacturing, decks, marine struts, offshore platforms, offshore transfer platforms, drilling penetration, pressure elements, oil production platforms, pile shoes, racks, pile legs, etc.