HB Special Alloy MFG – High Performance Alloy Specialist
We offer complete range of high quality flanges for various industries in accordance with ANSI, ASME, DIN, JIS, KS standards. We also produce non-standard flanges according to customers’ special requirement. Our flanges available in various high performance materials and stainless steels. Our flanges already exported to North America, South American, Europe, Middle East, Korea, Japan and South East Asia market. We are the right partner for high quality products, excellent service.

Nominal Size: 1/2” ~ 24”
Pressure Class: 150, 300, 400, 600, 900, 1500, 2500
Nominal Size: 1/2” ~ 60”
Pressure Class: 150, 300, 400, 600, 900
Nominal Size: 26” ~ 60”
Pressure Class: 75, 150, 300, 400, 600, 900
Nominal Size: 1/2” ~ 24”
Pressure Class: 150, 300, 400, 600, 900, 1500, 2500
1 Kg/cm2 ~ 40 Kg/cm2 – Slip On Flanges
10 Kg/cm2 ~ 63 Kg/cm2 – Welding Neck Flanges
210 Kg/cm2 ~ 350 Kg/cm2 – Oil Pressure Square Flanges
6-BAR DIN 2573, 2527, 2631
10-BAR DIN 2576, 2527, 2632
16-BAR DIN 2543, 2527, 2633
25-BAR DIN 2544, 2527, 2634
40-BAR DIN 2545, 2527, 2635
Class 300 – Welding Neck, Slip On, Threaded
Class 400, 600, 900, 1500, 2500 – Welding Neck
Class 150, 300, 400, 600, 900, 1500, 2500
Class 150, 300, 400, 600, 900
Material Grades:
Corrosion Resistance Alloys (Nickel, Monel, Incoloy, Inconel, Hastelloy and etc)
High Temperature Alloys (Inconel, Incoloy, Haynes and etc)
Duplex / Super Duplex (F51, F52, F53, F55, F60, F61 and etc)
Precipitaion Hardening Steel (PH13-8, PH15-5, PH15-7, PH17-4, PH17-7 and etc)
Austenitic Stainless Steel (310, 310S, 310MoLN, 904L, 254SMo, AL-6X and etc)
For further information and support, please contact us directly!