[ Cover Story ]
[ Cover Story ]
stainless steel business. When a quick decision needs to be made, we immediately think of the consequences for both ourselves and our clients to ensure it’ s a win-win for everyone. This is a fast, flexible way business model with a short command chain.”
Powerhouse of stainless steel Sun Mark Stainless sources only the finest raw materials, and every stage from initial processing to final packaging is controlled in-house. This ensures that every Sun Mark Stainless product meets the highest international standards of quality and reliability. Generations of expertise, vision, and relentless willpower converge here to deliver products trusted by clients across India and in over 32 countries worldwide.“ A good reputation takes years of hard work to build, but only one bad decision to lose,” stress Mr Shah.“ Our legacy and reputation have been earned over time and are our true essence and wealth. That solid reputation in the market, with customers, end users and all who use our products, is the foundation on which our business is built.“ trajectory, valued at USD 5.81 billion in 2024 and projected to reach USD 9.00 billion by 2033, growing at a CAGR of 5.0 %( Business Research Insights).“ As a leading stainless steel company, expansion is our responsibility,” says Mr. Aaditya Shah, Executive Director of Sun Mark Stainless.“ We don’ t just respond to demand, we anticipate it. Planning ahead has allowed us to evolve from a strategic vision into one of India’ s largest manufacturers of stainless steel pipes and tubes.”
Scaling seamlessly: new factory, new products While Sun Mark Stainless is already India’ s largest producer of welded and seamless pipes, it has embarked on a massive expansion program to increase production capacity. In June 2025, Sun Mark Stainless launched a state-of-theart Seamless Division, with an installed capacity of 2,000 metric tons per month for manufacturing stainless steel seamless pipes and tubes. The division combines advanced technology with craftsmanship.
Stainless steel seamless tubes ASTM, ASME, DIN EN, JIS( JAPAN), NF( AFNOR), ASME / ASTM
Specifications
A312, Equivalent to EN & DIN Standards
O. D OD in Inch 1 / 2 " to 4 " Thickness Length Process Features Surface Finish Grade
Stainless steel seamless pipes Specifications
O. D N. B Thickness Length Process Features
12.70 mm to 101.60 mm
0.80 mm to 3.00 mm up to 12 meters in straight length, U bend tubes up to 24 meters Solution Annealed – Pickled & Passivated, Bright Annealed Pickled, Bright Annealed 304 / 304L / 316 / 316L / 316Ti / 317 / 321 / DUPLEX
ASTM, ASME, DIN EN, JIS( JAPAN), NF( AFNOR), ASME / ASTM A312, Equivalent to EN & DIN Standards
13.72 mm to 219.08 mm 1 / 4 " NB to 8 " NB 1.24 mm to 8.18 mm SCH 5S / SCH 10S / SCH 40S / SCH 80S up to 12 meters Solution Annealed – Pickled & Passivated
Seamless demand The global stainless steel seamless pipes market is on a strong growth
Surface Finish Grade
Pickled 304 / 304L / 316 / 316L / 316Ti / 317 / 321 / DUPLEX
www. stainless-steel-world. net Stainless Steel World November 2025 9