Stainless Steel 304 / 304H / 304L Buttweld Fittings
Introduction

ANSI B16.9 Stainless Steel 304 Welded Buttweld Fittings, Stainless Steel 5d Pipe Bend, 304L Stainless Steel End Cap, 304H Stainless Steel Pipe Fittings, SS 316L Short Radius Elbow Supplier in India.
ASTM A403 321/321H Stainless Steel 90 degree Elbow, ASME SA403 SS 347/347H Long Stub, Stainless Steel 317 Pipe Fittings, SS WERKSTOFF NR. 1.4401 buttweld Fittings Exporter in India.
Stainless Steel 904L Buttweld Fittings Specifications
| Specifications | ASTM A403 / ASME SA403 |
| Size | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | Seamless / Welded / Fabricated |
UNS N08904 SS 904L Buttweld Fittings Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 904L | min. | – | – | – | – | – | 19.0 | 4.00 | 23.00 | 0.10 |
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 0.25 | |
Stainless Steel 904L Buttweld Fittings Mechanical Properties
| 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 | ||||
| 904L | 490 | 220 | 35 | 70-90 typical | – |
Equivalent Grades for 904L Stainless Steel Buttweld Fitting
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 904L | N08904 | 904S13 | X1NiCrMoCu25-20-5 | 1.4539 | – | – | SUS 904L |
