KR Alloy Steel Pipes and Tubes

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KR Alloy Steel Pipes and Tubes

KR Alloy Steel Pipes and Tubes

KR alloy steel pipes and tubes are a kind of seamless steel pipes made of alloy for marine purposes. The main applications of KR alloy steel pipes and tubes are boilers, heat exchangers, and pressure piping. They are certified by Korean register of shipping. RSTH22, RSTH23, RSTH24 are the main steel grades to produce the pipes. The length range of the pipes are 3 ~ 12m. If you have any specific requirements for materials and specifications, welcome to contact us. Excepting the KR alloy steel pipes and tubes, we also provide KR carbon steel pipes and tubes. The other marine steel pipes certified by ABS, BV, GL, DNV, RINA, CCS, NK, LR are all available. We are capable of supplying marine steel pipes and tubes meeting the requirements of ASTM, JIS, EN, KS... If you want to know more details, welcome to contact us!

Advantages of Hi-Sea Marine:

• Quality-guaranteed products and reasonable price

• To offer a broad product range on market

• Rich experience in the import and export trade of marine products

• Loyal and sincerely service to our customers

• Good business reputation

Product Description

Product Name

KR Alloy Steel Pipes and Tubes



Steel Grades

RSTH22, RSTH23, RSTH24 or other equivalent grades

Adopted standard



seamless steel pipes

Section Shape





beveled ends / plain ends


random length 3~12m, fixed length or as customerˇŻs request

Surface Treatment

oil dip, varnish, passivation, phosphating, shot blasting

Relevant Inspections

chemical composition inspection (tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact test), mechanical properties test, sulphur print test, metallographic structures inspection, non-destructive test, hydrostatic test, surface and dimension test

Delivery Condition

annealed/ normalized/ as per customerˇŻs request


boilers, heat exchangers, pressure piping

Place of Origin


Partial Product Specifications

Adopted Standard

Steel Grade

Specifications (mm)















Some steel grades and specifications of pipes are not described. Please contact us for more details.

Relevant Links

KR Pressure Alloy Steel Pipes and Tubes

KR Alloy Steel Pipes and Tubes for Boilers and Heat Exchangers

KR Alloy Steel Pipes and Tubes

KR Alloy Steel Pipes and Tubes

KR Alloy Steel Pipes and Tubes

Contact with us now

Our mail: manager@hiseamarine.com

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