XINMING INDUSTRY LIMITED

Galvanized Steel Pipe

Hot-dip galvanized steel pipe (GI Pipe) has strong corrosion resistance, strength and rigidity, and is widely used in gas, heating and water pipelines. The production process flow of hot-dip galvanized seamless steel pipe is:
Black pipe—Alkali cleaning—Water washing—Pickling—Water rinsing—Immersion aid—Drying—Hot dip galvanizing—Outside blowing—Inside blowing—Air cooling—Water cooling—Passivation—Water rinsing— Inspection—Weighing—Storage.

Product Description

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Factory Workshop

Product Packaging

Galvanized Steel Pipe

1. Standard: ASTM A53, BS1387-85, GB/T3091-08, DIN2440, JIS-G3444, EN10240, EN10255

2. Grade: Q195, Q215, Q235, Q345, S235JR, S275JR, STK400, STK500

3. Type & Zinc Coating:

Hot dip galvanized steel pipe (zinc coating: 60g/m2-275g/m2)

Pre-painted galvanized steel pipe (zinc coating: 80g/m2-275g/m2)

4. Outside diameter:

Round pipe: 17mm-273mm

Square pipe:15mm x 15mm - 400mm x 400mm

Rectangular pipe: 10mm x 20mm -200mm x 400mm

5. Wall thickness:

Round pipe: 0.6mm-12mm

Square pipe:0.6mm-20mm

Rectangular pipe: 0.6mm-20mm

6.Length:2m-5.8m/6m/12m ( We can adjust length according to your request)

Types of galvanized steel pipe

STANDARDS	PRODUCTS	RANGES
IS:1239 (Part-I)	Mild Steel Tubes, Tubulars	15mm NB – 150mm NB
IS:1161	Mild Steel Tubes for Structural purpose	15mm NB – 200mm NB
IS:3601	Mild Steel tubes for Mechanical & General Engg. purpose	20mm x 0.80mm to 165.10 x 7.00 mm
IS:3589	ERW Pipes for water Gas & Sewrage	168.3 x 4.00 mm to 219.1 x 7.00mm
IS:9295	Steel Tubes for Idlers for Belt conveyors	63.5 x 4.00 mm to 219.1 x 7.0 mm
IS:4270	Steel Tubes for Water Wells	114.3 x 5.00mm to 219.1mm x 7.1mm
IS:7138	Steel Tubes for furniture	20.0 x .60mm to 60.0 x 2.0mm
IS:4923	Hollow Steel sections for structural purpose	12.5 x 12.5 x 0.80 to150 x 150 x 6.0mm10 x 20 x 0.80mm to150 x 200 x 6.0mm
IS:3074	Steel Tubes for Automobile purpose	19.7 x 1.00mm to 101.6 x 6.0mm
BS:1387	Screwed & Socketed Steel Tubes & Tubulars	½”NB to 6″NB 2.00 mm – 5.40 mm wall thick
BS:3601	Steel Pipes & Tubes for pressure purpose	½”NB to 6″NB 2.00 mm – 7.00 mm wall thickness
BS:6323	Steel tubes for mechanical & general engineering purposes	21.3″ to 219.1mm OD wall thickness-1.60-7.00 mm

Production Process of Hot-dip Galvanized Steel Pipe:

Black pipe—Alkali cleaning—Water washing—Pickling—Water rinsing—Immersion aid—Drying—Hot dip galvanizing—Outside blowing—Inside blowing—Air cooling—Water cooling—Passivation—Water rinsing— Inspection—Weighing—Storage.

Introduction