EH36 Bulb Flat for Shipbuilding
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Bulb Flat Bar
AH36 Bulb Flat for Shipbuilding
Product Introduction
| Marine Flat Bar: Comprehensive Detail Tables | |||
| Steel Grade Classification for Marine Flat Bars | |||
| Grade Category | Steel Grades | Strength Level | Application |
| Ordinary Strength | A, B, D, E | Standard yield strength | General hull structure, good weldability |
| High Strength | AH32, AH36, AH40 | Higher yield strength | Large ocean-going vessels, deep-sea platforms |
| High Strength | DH32, DH36, DH40 | Higher yield strength with low-temp toughness | High-load-bearing structures |
| High Strength | EH32, EH36, EH40 | Highest low-temp toughness | Critical hull structures |
| Comparison of Marine Flat Bar vs. Bulb Flat Bar | |||
| Characteristic | Marine Flat Bar | Bulb Flat Bar | |
| Cross-Section | Rectangular | Rectangular base with bulb-shaped edge | |
| Stiffening Efficiency | Lower | Higher (better buckling resistance) | |
| Weight | Heavier for equivalent strength | Lighter for equivalent strength | |
| Primary Application | General stiffening, secondary structures | Primary hull framing, deck stiffeners | |
| Fabrication | Simple cutting and welding | Requires specialized welding techniques | |
| Classification Society Approval | Required | Required | |
| Available Size Ranges (Commercial) | |||
| Parameter | Typical Range | Notes | |
| Thickness | 3 mm – 30 mm | Wider range available on request | |
| Width | 25 mm – 800 mm | Standard marine sizes: 100–350 mm | |
| Length | 6 m, 9 m, 12 m | Custom lengths available | |
| Rolling Tolerance | Negative deviation | Delivered by actual weight | |
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