1284-2 Jeongwang-dong, Siheung-si, Gyeunggi-do, KoreaTel : 82-31-499-1669 Fax : 82-31-499-2684

Almost 30 years of accumulated

knowledge and field-proven

experience and a solid customer

satisfaction track record make

SJM one of the best expansion

joint suppliers in the global

market today.

www.sjmflex.com www.sjmflex.com

SJM possesses great expertise and accumulated know-how in various bellows forming and expansion joint manufacturingtechnologies that include Hydraulic Forming, One-PitchForming, Mechanical Roll Forming, and Single and Multi-PlyMetals Forming. SJM’s forming equipment have the followingcapabilities.

Hydraulic forming from 2� to 100� diameter.(Press : 75, 500, 1000 TON)One pitch forming from 3/4� to 4� diameter.Automatic forming machine from 3/4� to 8� diameter.Mechanical roll forming from 59� to 236� diameter.

SJM selects an appropriate bellows material for each customer’sapplication requirement for strength, operating temperature, and corrosion resistance.Although the most commonly used bellows material at SJM is18.8Ti(Type 316L) stainless steel, other available alloys are ;

Selected 300 Series Stainless SteelIncoloy 800, 800H, and 825Inconel 600 and 625Monel 400Hastelloy B and C SeriesTitaniumCarbon Steel

Bellows Materials

Bellows forming

Since its foundation in 1975, SJM has been recognized as one of the world’s leadingmanufacturers of high quality metal and non-metal expansion joints.

SJM’s continuous investment of its efforts into extensive research and development in expansion joints’ thermal vibration, noise, and leakage areas forms the solid basis on which SJM custom-designs and manufactures reliable expansion joints to meet each customer’s requirements.

SJM manufactures a wide variety of bellows and expansion joints ranging from 3/8� to 236� of nominal diameter in accordance to the latest EJMA standards.

SJM’s Quality Assurance System has been certified by ISO9001 & ASME section VIII (U Stamp) and in compliance with ASME B31.1, B31.3, AWS B1.1, AISI, ASIC, and Stoomwezen.

X ray 300KV - 10 MA and 5 MA Magnetic Particle Ultrasonic and Eddy Current Testing Dye Penetrant Helium and Halogen Leak Detection Pneumatic TestingHydro TestingCycle TestingSpring Rate TestingHardness TestingUniversal TestingDead Weight Testing

Bureau Veritas

Germanischer Lloyd

ISO9001

American Society ofMechanical Engineers

Gaztransport & Technigaz

Det Norske Veritas

American Bureau of Shipping

SJM possesses great expertise and accumulated know-how in various bellows forming and expansion joint manufacturingtechnologies that include Hydraulic Forming, One-PitchForming, Mechanical Roll Forming, and Single and Multi-PlyMetals Forming. SJM’s forming equipment have the followingcapabilities.

Hydraulic forming from 2� to 100� diameter.(Press : 75, 500, 1000 TON)One pitch forming from 3/4� to 4� diameter.Automatic forming machine from 3/4� to 8� diameter.Mechanical roll forming from 59� to 236� diameter.

SJM selects an appropriate bellows material for each customer’sapplication requirement for strength, operating temperature, and corrosion resistance.Although the most commonly used bellows material at SJM is18.8Ti(Type 316L) stainless steel, other available alloys are ;

Selected 300 Series Stainless SteelIncoloy 800, 800H, and 825Inconel 600 and 625Monel 400Hastelloy B and C SeriesTitaniumCarbon Steel

Bellows Materials

Bellows forming

Since its foundation in 1975, SJM has been recognized as one of the world’s leadingmanufacturers of high quality metal and non-metal expansion joints.

SJM’s continuous investment of its efforts into extensive research and development in expansion joints’ thermal vibration, noise, and leakage areas forms the solid basis on which SJM custom-designs and manufactures reliable expansion joints to meet each customer’s requirements.

SJM manufactures a wide variety of bellows and expansion joints ranging from 3/8� to 236� of nominal diameter in accordance to the latest EJMA standards.

SJM’s Quality Assurance System has been certified by ISO9001 & ASME section VIII (U Stamp) and in compliance with ASME B31.1, B31.3, AWS B1.1, AISI, ASIC, and Stoomwezen.

X ray 300KV - 10 MA and 5 MA Magnetic Particle Ultrasonic and Eddy Current Testing Dye Penetrant Helium and Halogen Leak Detection Pneumatic TestingHydro TestingCycle TestingSpring Rate TestingHardness TestingUniversal TestingDead Weight Testing

Bureau Veritas

Germanischer Lloyd

ISO9001

American Society ofMechanical Engineers

Gaztransport & Technigaz

Det Norske Veritas

American Bureau of Shipping

1284-2 Jeongwang-dong, Siheung-si, Gyeunggi-do, KoreaTel : 82-31-499-1669 Fax : 82-31-499-2684

Almost 30 years of accumulated

knowledge and field-proven

experience and a solid customer

satisfaction track record make

SJM one of the best expansion

joint suppliers in the global

market today.

www.sjmflex.com www.sjmflex.com