Pre-Galvanized Square & Rectangular Steel Tube

QIDAMT · GALVANIZED TUBE

Pre-Galvanized Square & Rectangular Steel Tube – Q235B

Q235B square and rectangular tube with pre-galvanized coating for frames, racks, solar supports and fencing.

Pre-galvanized square and rectangular steel tube is formed from galvanized strip and welded into a closed section, then cut to length. The zinc coating covers the whole surface including corners, and the clean, bright finish makes it ready for use or painting without further treatment — ideal for racks, frames and structural sections.

المزايا الرئيسية

All-Round Coating

Zinc covers surface and corners uniformly.

Ready to Use

Bright finish, no pre-treatment required.

Square Corners

Clean edges for neat joints and frames.

قابلة للحام

Good weldability with local touch-up.

التركيب الكيميائي (Q235B Base)

عنصر	ج	مينيسوتا	و	ص	س	Fe
محتوى %	0.12 - 0.20	0.30 - 0.70	≤ 0.30	≤ 0.045	≤ 0.045	توازن

الخصائص الميكانيكية

قوة العائد: ≥ 235 الآلام والكروب الذهنية
قوة الشد: 370 - 500 الآلام والكروب الذهنية
استطالة (د): ≥ 26 %
Zinc coating: 20 - 40 μm (Z60 – Z120)
كثافة: 7.85 جم/سم3

الأحجام القياسية

المعلمة	يتراوح
Square section	20×20 – 200×200 mm
Rectangular section	20×30 – 150×200 mm
سمك الجدار	0.8 - 8.0 مم
طول	6 m standard, cut to order
معيار	جيجابايت/ت 6728 / في 10219 / أستم A500 / سعادة G3466

التطبيقات

Pre-galvanized square and rectangular tube is used for storage racks and display frames, solar panel mounting structures, إطارات الدفيئة, guardrail posts and fencing, إطارات الأثاث, garage and gate structures, tent and awning frames, and light structural sections. For round profiles see our hot-dip galvanized round tube.