• Buy Cold Rolled Pipes, Brands Scaffolding Pipes, GI Pipes Factory Promotions
  • Buy Cold Rolled Pipes, Brands Scaffolding Pipes, GI Pipes Factory Promotions
  • Buy Cold Rolled Pipes, Brands Scaffolding Pipes, GI Pipes Factory Promotions

China Scaffolding Cold Rolled GI Pipes

The GI pipes, also called pre galvanized steel pipes, are cold rolled round pipes made by galvanized steel strips. The GI pipes are widely used in scaffolding construction, greenhouse pipes, fence pipes, agricultural pipes and other areas.
There are two kinds of galvanization: hot dipped galvanization and pre galvanization. Pre galvanization is also declined to hot dipped galvanization, which the zinc coating formed by immersing steel pipes into the melting zinc. The difference between hot dipped galvanization and pre galvanization pipes is that pre galvanized pipes are made by galvanized steel coils directly. While hot dipped galvanized pipes are made by black steel coils into black pipes at first, then immerse the black pipes into zinc pond.
Tianjin Friend Steel Pipe CO.LTD has more than 15 years experience in steel pipe, we have always tried our best to provide high quality pipes for you.

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1. Product Information

China Scaffolding Cold Rolled GI pipes

Size

48.3mm/60.3mm

Thickness

1.0-2.4 mm

Length

1m-6m

Raw Material

Q195/Q235/Q345 

Surface

Pre Galvanized(zinc coating 60-120g/m2)

Standard

JIS3444/BS1139

Payment

TT, LC, DP

Delivery time

within 30 days after getting the deposit

MOQ

25 tons

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2. Production Process



C

Mn

Si

S

P

Yield

Tensile

Elongati

Strength Mpa

Strenth Mpa

-on %

Q195

0.06-0.12

0.25-0.50

≤0.30

≤0.045

≤0.05

≥195

315-430

≥33

Q235

0.12-0.20

0.30-0.67

≤0.30

≤0.045

≤0.04

≥235

375-500

≥26

Q345

≤0.20

1.00-1.60

≤0.55

≤0.04

≤0.04

≥345

470-630

≥22

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3. Packing and Loading

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4. Quality Control

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