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  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
    Raian Ionescu
    Material quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
Contact Person : Gao
Phone Number : 18068357371
Whatsapp : +8618068357371

S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications

  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
  • S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications
Minimum Order Quantity 50 Tons
Price US $685-1,250 / Ton
Product Details
Model NO. AR400 AR500 S355j2 Surface Treatment Black
Section Shape Square Specification 30*30-300*300
Production Capacity 500000kgs Size 10mm*10mm - 1000mm*1000mm
Thickness 1.2mm - 30.0mm Material Q195, Q215, Q235, Q345
Surface Black Or Bright, Painted Or Oiled Yield Strength 355 N/mm2 (≤16mm)
Tensile Strength 510-680 N/mm2 (d<3mm) Elongation 22% (3≤d≤40mm)
Carbon Content ≤0.24% Manganese Content ≤1.60%
Phosphorus Content ≤0.035%
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S355J2 Square Steel Pipe

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Black Surface Hollow Section

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30*30-300*300 Welded Steel Pipe
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Product Description
AR400 AR500 S355J2 MS Box Bar & Square Pipe 100×100×10mm
High-quality welded square steel pipes manufactured to exacting standards, available in various materials including S275JR and S355J2 steel grades.
Product Specifications
Available Product Types & Dimensions
Product Type Specification Range Thickness Range Length
Round Pipe OD 310mm - 1000mm 4mm - 30mm Any length
Square Pipe 10mm×10mm - 1000mm×1000mm 1.2mm - 30.0mm -
Rectangle Pipe 20mm×40mm - 400mm×700mm 1.2mm - 30.0mm -
L/T/Z Window Section 28mm/38mm 0.5mm - 1.5mm -
Product Details
  • Materials: Q195, Q215, Q235, Q345, and equivalent grades
  • Surface Treatment: Black or bright finish, painted or oiled
  • Packing: Export standard packaging (bundles, seaworthy packages, shipped in containers)
  • Delivery Port: Shanghai, China
  • Lead Time: Within 30 days after receiving original L/C or deposit
  • Minimum Order Quantity: 10 tons per size
  • Production Capacity: 10,000 MT per month
Applications: Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sports equipment, and home furniture.
Main Markets: Europe, America, Africa, Southeast Asia
EN 10025 S355 Steel Specifications
S355 steel is a European standard structural steel grade according to EN 10025-2:2004, offering superior properties compared to S235 and S275 steels in yield strength and tensile strength.
S355 Steel Grade Designations
  • S355JR (1.0045): Minimum 27J impact energy at 20°C
  • S355J0 (1.0553): Minimum 27J impact energy at 0°C
  • S355J2 (1.0577): Minimum 27J impact energy at -20°C
  • S355K2 (1.0596): Minimum 40J impact energy at -20°C
Technical Data Sheets
Chemical Composition
Steel Grade C ≤ Si ≤ Mn ≤ P ≤ S ≤ Cu ≤ N ≤ Deoxidation Method
S355JR 0.24 0.55 1.60 0.035 0.035 0.55 0.012 Rimmed steel not allowed
S355J0 0.20 0.55 1.60 0.030 0.030 0.55 0.012 -
S355J2 0.20 0.55 1.60 0.025 0.025 0.55 - Fully killed
S355K2 0.20 0.55 1.60 0.025 0.025 0.55 - Fully killed
Mechanical Properties - Yield Strength (≥ N/mm²)
Steel Grade d ≤ 16mm 16mm < d ≤ 40mm 40mm < d ≤ 63mm 63mm < d ≤ 80mm 80mm < d ≤ 100mm 100mm < d ≤ 150mm 150mm < d ≤ 200mm 200mm < d ≤ 250mm
S355JR 355 345 335 325 315 295 285 275
Tensile Strength (≥ N/mm²)
Steel Grade d < 3mm 3mm ≤ d ≤ 100mm 100mm < d ≤ 250mm
S355JR 510-680 470-630 450-600
Elongation (≥ %)
Steel Grade 3mm ≤ d ≤ 40mm 40mm < d ≤ 63mm 63mm < d ≤ 100mm 100mm < d ≤ 150mm 150mm < d ≤ 250mm
S355JR 22 21 20 18 17
S355K2 20 19 18 18 17
Product Gallery
S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications 0 S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications 1 S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications 2 S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications 3 S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications 4 S355J2 Square Steel Pipe with Black Surface and 30*30-300*300 Hollow Section for Structural Applications 5
We welcome both existing and new customers to contact us for negotiations and further communication regarding your steel pipe requirements.
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