Quality standards

1. Strict manufacturing process
2. High mechanical strength and good corrosion resistance
3. High surface finish and no obvious defects

1. Relatively low quality standards
2. Slight surface defects may exist
3. Slight bumps, scratches or surface oxidation may exist

Application areas

1. Occasions with high requirements
for high strength and corrosion resistance
2. Building structures, machinery manufacturing, high-pressure transmission pipelines, etc.

1. General applications with low requirements for mechanical properties
2. General fluid transportation, agricultural machinery, etc.

Price

High cost and high market price

Lower cost, more economical price

Applicable scenarios

Engineering projects that require
high reliability and long-term use

Projects with limited budget and
low performance requirements

Selection suggestions

Suitable for critical applications and
provide higher safety assurance

Suitable for general use,
cost-effective