S355jr Carbon Steel I Beam Heavy Duty

Optimized I-shaped cross section ensures uniform stress distribution, great bending resistance and stable structure for heavy load projects.

Made of qualified carbon or low alloy steel meeting GB ASTM JIS EN standards, featuring stable strength, good toughness and reliable weldability.

Mature hot rolling process controls size and straightness strictly. Accurate dimensions enable seamless fitting and higher installation efficiency.

Black oiled painted and hot dip galvanized finishes are available. Galvanized layer offers good anti corrosion performance for outdoor humid and coastal use.

Services include fixed length cutting punching drilling and bending. We can process products as customer drawings for special project demands.

Full standard sizes are in stock. We can handle both small trial orders and large bulk orders efficiently.

Large scale production capacity guarantees stable supply and controllable lead time for bulk orders.

Raw materials and finished goods are fully tested. Mill test certificate can be provided for each shipment.

Widely used in building steel structure workshop frame support machinery base and transportation engineering.