Material Selection Guide and Cost Optimization for Galvanized Steel in Southeast Asian Market
release time：
2025-07-18 17:16
Material selection guide and cost optimization for galvanized steel in Southeast Asia
I. Characteristics of Southeast Asian market and key points of material selection
Environmental adaptability selection
G90 (275g/㎡) and above zinc layer standards are recommended for coastal areas with high salt fog (such as Indonesia and the Philippines)
G60 (180g/㎡) can be used in combination with chromate passivation process in inland high temperature and high humidity areas (such as Thailand and Vietnam)
Avoid using ordinary galvanized sheets in acidic soil environments (such as parts of Cambodia)
II. Three-dimensional strategy for cost optimization
1. Procurement dimension
Establish direct procurement channels for Chinese-funded steel mills (such as Tsingshan Holdings Vietnam Base) to reduce logistics costs
Use the tariff preferences of the ASEAN Free Trade Agreement (AFTA) to give priority to purchasing resources produced in Thailand/Malaysia
2. Design optimization
Promote the "galvanizing + color coating" composite solution (cost only increases by 20% when the service life is increased by 50%)
It is recommended to use 345MPa high-strength steel for construction steel with a 10-15% thinning thickness
3. Supply chain management
Establish regional warehouses along the Strait of Malacca (such as Port Klang) to achieve JIT supply
Cooperate with local processing centers to implement the "flat procurement + local processing" model
III. Typical case analysis
An industrial park project in Jakarta, Indonesia achieved a 18% cost reduction through the following measures
Selected China Baosteel BZP150 aluminum-zinc plate to replace traditional galvanized plate (life cycle cost reduced by 32%)
Used local cutting services in Vietnam to reduce scrap rate by 7%
Used centralized procurement before the rainy season to lock in prices
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