Unifit Metalloys INC manufactures, trades and supplies an extensive variety of goods to its clients which incorporates Stainless Steel 321/321H Flanges. Our products are developed using modern technology and offer maximum utility. We offer 321/321H Socket Weld Flanges that offer good resistance to corrosion and intergranular corrosion and oppose chromium carbide precipitation. Due to the resistive properties of 321/321H Grade Flanges these are utilized as a part of numerous ventures. Our UNS S32100 Orifice Flanges contain titanium, which helps in resisting general corrosion. These SS 321/321H Plate Flanges are utilized as a part of numerous applications including oil refineries, nuclear power plants and petrochemical industries. Our Stainless Steel 321 Slip-on Flanges are notable for their durability at high temperatures and also provide high levels of formability.
These properties make UNS S32100 very usable in hydrocarbon processing plants and marine engineering applications. We offer every one of our products in entire customization options to meet client driven necessities. These ASTM A182 321Flanges are accessible in different sorts, for example, SS 321 Weld Neck Flanges, SS 321H Slip-on Flanges, Stainless Steel 321 Orifice Flanges, SS 321H Reducing Flanges, SS 321 Blind Flanges, Stainless Steel 321 Ring-Type Joint Flanges and the sky is the limit from there.
We produce goods that are highly-reliable and provide durability in harsh environments of use as well.
SPECIFICATION : ASTM A182
DIMENSIONS : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
SIZE : 1/2" (15 NB) to 48" (1200NB)
CLASS :150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64
PRESSURE RATINGS : Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
In bridges and other structural steel works
Automobile industry
Agriculture equipment
Pylons and other architectural structures
Offshore industries
Transportation equipment
Spiral Cases and penstocks in power plants
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| SS 321 | S32100 | 1.4438 | - | - | - | - | - |
| SS 321H | S32109 | 1.4541 | - | - | - | - | - |
| STANDARD | C | MN | SI | P | S | CR | NI | MO | N |
| SS 321 | 0.08 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 Max. | 17.0 – 19.0 | 9.0-12.0 | - | 0.1 |
| SS 321H | 0.04 – 0.10 | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 17.0 – 19.0 | 9.0-12.0 | - | 0.1 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321/321H | 515 | 205 | 40 | 95 | 217 |
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