Stainless Steel 304 / 304L / 304H Compression Tube Fitting
Introduction

Stainless Steel 304 Tube Fittings Manufacturer, SS DIN 1.4306 Compression Tube Fittings, Stainless Steel 304L Tube to Union, ASTM A276 304H Stainless Steel Tube Fittings Union Supplier in India.
ASTM A182 Stainless Steel 304L Double Ferrule Tube Fittings, UNS S30400 Steel 304H Union Dealer, SS WNR. 1.4301 Reducing Union Exporter, UNS S30403 SS 304 Union Elbow Exporter in India.
Equivalent Grades of Stainless Steel 304 / 304L / 304H Compression Fittings
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| SS 304 | S30400 | 1.4301 | Z7CN18-09 | X5CrNi18-10 | SUS 304 | 304S31 | 08?18?10 |
| SS 304L | S30403 | 1.4306/1.4307 | Z3CN18-10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03?18?11 |
| SS 304H | S30409 | 1.4301 | – | – | – | – | – |
Chemical Composition of SS 304 / 304L / 304H Tube Unions
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
| SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
Mechanical Properties of SS 304 / 304L / 304H Compression Tube Fittings
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 40 % |
