Send Message
aboutus

Company Profile

JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube/heat exchanger tube and pipes for special uses, besides, it also provides anti-corrosion services and pipes fittings processing for major engineering construction projects. Our products are widely used in the field of oil, gas & fluid transmission, construction projects, chemistry, pharmacy, electricity, agriculture and metalwork etc.

 

Currently our plant covers an area of 30000M2, with a total construction area of 20000M2, we have adopted series of advanced production equipment and technology both domestic and abroad, also owned perfect testing equipment.

Our products are cold drawn seamless steel pipe and mainly used on structure , transmission fluid, high pressure boiler pipe, low medium pressure boiler, oil cracking, cold drawn or cold rolled precision and also include low alloy seamless steel pipe. The production annual capacity is 30000 tons for seamless steel pipes. Further more, to expand our business, we have invested and built 2 production lines of Electric High Resistance Welded steel pipes (ERW), 1 production lines of Longitudinally Submerged Arc Welding steel pipe (LSAW), 2 production line of Spiral Submerged Arc Welding steel pipe (SSAW). Thus production annual capacity of steel pipe is over 400,000 metric tons.

 

JOHO STEEL CO.,LTD introduces the modern enterprise management mechanism and management concept, approved ISO9001 quality certification, widely attract high-tech talents, with advanced equipment, strong technical strength, to provide customers with quality products and perfect service, create excellent JOHO brand. Our products are exported to over 40 countries and districts, including Middle East, East and South Asia, Africa, South American etc.

 

Under the professional services of sales team and logistics distribution team, all our exported goods passed strict inspection and loading supervision to make sure that the cargo is delivered to customers safely. Our service concept is customer first, integrity and win-win. Endowing top product, good service and excellent credibility, we sincerely would like to cooperate with friends all over the world, to grow together and make a brilliant future.

History

JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube/heat exchanger tube and pipes for special uses, besides, it also provides anti-corrosion services and pipes fittings processing for major engineering construction projects. Our products are widely used in the field of oil, gas & fluid transmission, construction projects, chemistry, pharmacy, electricity, agriculture and metalwork etc.

Service

First, manufacture self-check by professinal staff in inspection room.

Items:

Visual Inspections
a. Inspect and take measurements of the thickness of the pipes and ensure the numbers conforms to design specifications.
b. Inspect for indentations, pitting, cracks, uneven surfacesJoho Steel Co., Ltd

Mechanical Inspection
a. Perform the impact resistance test to determine the impact strength
b. Test the tensile strength of the pipes to determine how the material will react to forces being applied in tension.
c. Perform the deflection temperature test to ensure the pipe sample deforms under a specified temperature and conforms to international standards


Packaging Inspections
a. Check packaging materials by comparing against approved samples and specifications.
b. Inspect necessary packaging marks including model number, quantity per packaging, name and place of business of distributor, country of origin, logos and marks from standards organizations, and stacking and handling marks.
c. Check the safety markings for clarity, size, color, conspicuousness, etc.

 

Second, the third-party from the SGS, Bv, DNV, LR,etc.Joho Steel Co., Ltd

Required Documents for Third Party Inspector Review;
Third Party Inspection for Line Pipe - Material Inspection;
Third Party Inspection for Line Pipe - Manufacture;
Third Party Inspection for Line Pipe Inspection during Manufacturing;
Third Party Inspection for Line Pipe Hydrostatic Testing;
Third Party Inspection for Line Pipe Visual and Dimensional Examination;
Third Party Inspection for Line Pipe Marking;
Third Party Inspection for Line Pipe - Reporting;
Third Party Inspection for Line Pipe - Release Note;
Third Party Inspection for Line Pipe Packing, Marking and Shipping;
Third Party Inspection for Line Pipe Documentation.

 


Joho Steel Co., Ltd

Joho Steel Co., Ltd

Third, End usder(Clients) confirm the final quality in person

1. Related report check and review, such as, mill test certificate, 3rd party report;

2. Visual review: welding, surface, straightness, package, marking;

3. Tool test: sizes(out diameter, wall thickness, length), hardness;

4. Machine retest: hydrostatic, pressure;

5. Usage experience in project.

Our Team

Get in touch with us
Contact Person : Mr. admin
Tel : 15116256436
Fax : 86-731-8426-1658
Characters Remaining(20/3000)