ASTM A179 A192 A213 Heat Exchanger Steel Tube Cold Drawn Oil Painting Surface

Boiler Tube

Application: For high, middle, low pressure boiler and pressure purpose, Boiler/heat exchanger/pressure vessel/oil/gas/chemical industry/auto/gas cylinder pipe/petroleum cracking etc

Production Standard
ASTM A 106 Grade A, B, C
ASTM A53 Grade A, B
ASTM A178 Grade A, C, D
ASTM A192
ASTM A210 Grade A-1, C
BS3059-I 320 CFS
BS3059-II 360, 440, 620-460, 622-490, S1, S2,TC1, TC2
EN10216-1 P195TR1/TR2, P235TR1/TR2, P265TR1/TR2
EN10216-2 195GH, P235GH, P265GH, TC1,TC2
DIN 17175 ST35.8, ST45.8
DIN 1629 ST37.0, ST44.0, ST52.0
JIS G3454 STPG370, STPG410
JIS G3461 STPG340, STB410, STB440
GB 5310 20G, 15MoG,12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG, 12Cr2MoWVTiB
GB9948 10, 20, 12CrMo, 15CrMo
GB3087 10, 20

Surface treatment
Oil, Varnish, Passivation, Phoshating, Shot Blasting

Delivery Condition
Annealed, Nomalized, Normalized and Tempered

Inspections and test
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Hardness Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, NDT TEST ( ET TEST, UT TEST)

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.