Stainless Steel
For the best in stainless steel pipe, turn to Reliable Steel Distributors. For 300 series welded pipe and tube, Reliable Steel Distributors. has an extremely vast production range, offering pipe sizes ranging from ½” to 120” (Nominal Pipe Size) and tubing sizes from 4” to 12” (Outside Diameter).
In addition to these great features, we have unmatched stainless steel pipe wall thickness, length and testing capabilities. To insure that a quality product is supplied, Reliable Steel Distributors. maintains ISO 9001:2008, PED, ASME U and ASME Nuclear (NPT) certifications. Our constant commitment to producing quality pipe is confirmed by our acceptance on most major Authorized Manufacturers Lists (AML’s).
Reliable Steel Distributors’s specifications of stainless steel pipe and tube produced are: A312, A358, A778, A999, A249, A269, and A249/A269.
Here at Reliable Steel Distributors., we strive to maintain a full-line inventory of the type of stainless steel tube you need for your project. Our pipe sizes vary from 304/L and 316/L pipe in sizes ½” through 36”, in Schedules 05S through 80S and larger. Our tubing inventory consists of 6” and 8” OD tubing with wall thicknesses ranging from .083” to .120”. We offer Alloy 317L pipe stocked in sizes 6” through 12”, in Schedules 10S and 40S. In addition to all these different sizing offerings, we also have other 300 series grades available from inventory, in case you do not find exactly what you are looking for.
For specific project requirements for your stainless steel pipe, we offer many different sizing options to ensure that you get exactly what you need for the best price possible. At Reliable Steel Distributors., we value your dedication to us as customers, so we try to do the same by you.
| Alloy | UNS | Description |
| 304/304L | S30400/S30403 | Chromium-Nickel austentic alloy used in commercial applications. |
| 304 | S30400 | Chromium-Nickel austentic alloy used in commercial applications. |
| 304L | S30403 | Chromium-Nickel austentic alloy used in commercial applications. |
| 304H | S30409 | Chromium-Nickel austentic alloy used in commercial applications. |
| 316/316L | S31600/S31603 | Molybdenum-bearing austentic stainless steel which is more resistant to general corrosion and pitting/crevice corrosion |
| 316 | S31600 | Molybdenum-bearing austentic stainless steel which is more resistant to general corrosion and pitting/crevice corrosion |
| 316L | S31603 | Molybdenum-bearing austentic stainless steel which is more resistant to general corrosion and pitting/crevice corrosion |
| 316H | S31609 | Molybdenum-bearing austentic stainless steel which is more resistant to general corrosion and pitting/crevice corrosion |
| 309S | S30908 | Austentic stainless steel typically used for elaved temp. application |
| 309H | S30909 | Austentic stainless steel typically used for elaved temp. application |
| 310S | S31008 | Austentic stainless steel typically used for elaved temp. application |
| 310H | S31009 | Austentic stainless steel typically used for elaved temp. application |
| 317 | S31700 | Molybdenum-bearing austentic stainless steel which is more resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austentic stainless steels. |
| 317L | S31703 | Molybdenum-bearing austentic stainless steel which is more resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austentic stainless steels. |
| 317LMN | S31726 | Fully austentic, nitrogen-bearing, high-molybdenum stainless steel for use in high-chloride environments |
| 321 | S32100 | A stabilized stainless steel which offers an excellent resistant to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500 °F |
| 321H | S32109 | A stabilized stainless steel which offers an excellent resistant to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500 °F |
| 347 | S34700 | A stabilized stainless steel which offers an excellent resistant to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500 °F |
| 347H | S34709 | A stabilized stainless steel which offers an excellent resistant to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500 °F |
| 348 | S34800 | A stabilized stainless steel which offers an excellent resistant to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500 °F |
| 348H | S34809 | A stabilized stainless steel which offers an excellent resistant to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500 °F |
| AL 611 | S30601 | Low-carbon, silicon containing, austentic stainless steel typically used for applications in the chemical industry. |
| 1.5531 | 1.5532 | 1.5533 |
| 1.5535 | 1.5536 | 1.5537 |
| 1.5538 | 1.5613 | 1.5620 |
| 1.5621 | 1.5622 | 1.5633 |
| 1.5634 | 1.5635 | 1.5636 |
| 1.5637 | 1.5638 | 1.5639 |
| 1.5662 | 1.5663 | 1.5680 |
| 1.5681 | 1.5682 | 1.5701 |
| 1.5708 | 1.5710 | 1.5711 |
| 1.5713 | 1.5714 | 1.5715 |
| 1.5732 | 1.5733 | 1.5736 |
| 1.5737 | 1.5752 | 1.5755 |
| 1.5805 | 1.5807 | 1.5808 |
| 1.5810 | 1.5815 | 1.5860 |
| 1.5864 | 1.5918 | 1.5919 |
| 1.5920 | 1.5921 | 1.5924 |
| 1.5934 | 1.5952 | 1.6210 |
| 1.6211 | 1.6212 | 1.6213 |
| 1.6215 | 1.6216 | 1.6217 |
| 1.6218 | 1.6219 | 1.6220 |
| 1.6221 | 1.6222 | 1.6223 |
| 1.6225 | 1.6227 | 1.6228 |
| 1.6261 | 1.6308 | 1.6309 |
| 1.6310 | 1.6311 | 1.6312 |
| 1.6313 | 1.6340 | 1.6341 |
| 1.6342 | 1.6343 | 1.6347 |
| 1.6348 | 1.6349 | 1.6351 |
| 1.6354 | 1.6355 | 1.6356 |
| 1.6358 | 1.6359 | 1.6368 |
| 1.6369 | 1.6510 | 1.6511 |
| 1.6512 | 1.6513 | 1.6515 |
| 1.6522 | 1.6523 | 1.6526 |
| 1.6527 | 1.6528 | 1.6540 |
| 1.6541 | 1.6542 | 1.6543 |
| 1.6545 | 1.6546 | 1.6552 |
| 1.6562 | 1.6563 | 1.6565 |
| 1.6566 | 1.6567 | 1.6568 |
| 1.6569 | 1.6570 | 1.6571 |
| 1.6579 | 1.6580 | 1.6581 |
| 1.6582 | 1.6583 | 1.6585 |
| 1.6586 | 1.6587 | 1.6589 |
| 1.6604 | 1.6655 | 1.6657 |
| 1.6658 | 1.6659 | 1.6660 |
| 1.6722 | 1.6723 | 1.6732 |
| 1.6738 | 1.6739 | 1.6740 |
| 1.6741 | 1.6742 | 1.6743 |
| 1.6745 | 1.6746 | 1.6747 |
| 1.6748 | 1.6749 | 1.6750 |
| 1.6751 | 1.6752 | 1.6753 |
| 1.6755 | 1.6757 | 1.6758 |
| 1.6759 | 1.6760 | 1.6761 |
| 1.6762 | 1.6770 | 1.6771 |
| 1.6772 | 1.6773 | 1.6779 |
| 1.6780 | 1.6781 | 1.6782 |
| 1.6783 | 1.6784 | 1.6785 |
| 1.6900 | 1.6901 | 1.6902 |
| 1.6903 | 1.6905 | 1.6906 |
| 1.6907 | 1.6908 | 1.6909 |
| 1.6916 | 1.6918 | 1.6919 |
| 1.6920 | 1.6926 | 1.6928 |
| 1.6931 | 1.6932 | 1.6935 |
| 1.6943 | 1.6944 | 1.6946 |
| 1.6947 | 1.6948 | 1.6949 |
| 1.6950 | 1.6951 | 1.6952 |
| 1.6953 | 1.6955 | 1.6956 |
| 1.6957 | 1.6958 | 1.6959 |
| 1.6960 | 1.6964 | 1.6967 |
| 1.6971 | 1.6972 | 1.6974 |
| 1.6979 | 1.6980 | 1.6981 |
| 1.6982 | 1.6983 | 1.6985 |
| 1.7001 | 1.7002 | 1.7003 |
| 1.7005 | 1.7006 | 1.7007 |
| 1.7012 | 1.7014 | 1.7015 |
| 1.7016 | 1.7017 | 1.7020 |
| 1.7021 | 1.7023 | 1.7025 |
| 1.7027 | 1.7028 | 1.7030 |
| 1.7033 | 1.7034 | 1.7035 |
| 1.7036 | 1.7037 | 1.7038 |
| 1.7039 | 1.7043 | 1.7045 |
| 1.7072 | 1.7075 | 1.7076 |
| 1.7077 | 1.7102 | 1.7103 |
| 1.7104 | 1.7105 | 1.7106 |
| 1.7107 | 1.7108 | 1.7116 |
| 1.7117 | 1.7121 | 1.7131 |
| 1.7132 | 1.7135 | 1.7137 |
| 1.7138 | 1.7139 | 1.7140 |
| 1.7142 | 1.7146 | 1.7147 |
| 1.7148 | 1.7149 | 1.7150 |
| 1.7160 | 1.7162 | 1.7168 |
| 1.7176 | 1.7177 | 1.7182 |
| 1.7185 | 1.7186 | 1.7189 |
| 1.7190 | 1.7201 | 1.7202 |
| 1.7211 | 1.7213 | 1.7214 |
| 1.7216 | 1.7217 | 1.7218 |
| 1.7219 | 1.7220 | 1.7221 |
| 1.7222 | 1.7223 | 1.7224 |
| 1.7225 | 1.7226 | 1.7227 |
| 1.7228 | 1.7229 | 1.7230 |
| 1.7231 | 1.7232 | 1.7233 |
| 1.7238 | 1.7239 | 1.7240 |
| 1.7241 | 1.7242 | 1.7243 |
| 1.7244 | 1.7254 | 1.7255 |
| 1.7256 | 1.7257 | 1.7258 |
| 1.7259 | 1.7262 | 1.7263 |
| 1.7264 | 1.7271 | 1.7272 |
| 1.7273 | 1.7276 | 1.7279 |
| 1.7281 | 1.7305 | 1.7311 |
| 1.7315 | 1.7319 | 1.7320 |
| 1.7321 | 1.7323 | 1.7324 |
| 1.7325 | 1.7326 | 1.7332 |
| 1.7333 | 1.7334 | 1.7335 |
| 1.7335 WIL | 1.7336 | 1.7337 |
| 1.7338 | 1.7339 | 1.7340 |
| 1.7341 | 1.7345 | 1.7346 |
| 1.7350 | 1.7352 | 1.7353 |
| 1.7354 | 1.7355 | 1.7356 |
| 1.7357 | 1.7358 | 1.7360 |
| 1.7361 | 1.7362 | 1.7362+I |
| 1.7362+NT2 | 1.7363 | 1.7365 |
| 1.7366 | 1.7368 | 1.7373 |
| 1.7374 | 1.7375 | 1.7377 |
| 1.7378 | 1.7379 | 1.7380 |
| 1.7381 | 1.7382 | 1.7383 |
| 1.7384 | 1.7385 | 1.7386 |
| 1.7386+I | 1.7386+NT | 1.7388 |
| 1.7389 | 1.7390 | 1.7503 |
| 1.7511 | 1.7541 | 1.7561 |
| 1.7701 | 1.7703 | 1.7706 |
| 1.7707 | 1.7709 | 1.7710 |
| 1.7711 | 1.7715 | 1.7716 |
| 1.7720 | 1.7725 | 1.7728 |
| 1.7729 | 1.7733 | 1.7734 |
| 1.7735 | 1.7736 | 1.7737 |
| 1.7741 | 1.7744 | 1.7745 |
| 1.7755 | 1.7756 | 1.7765 |
| 1.7766 | 1.7767 | 1.7779 |
| 1.7783 | 1.7784 | 1.7791 |
| 1.7903 | 1.7906 | 1.7909 |
| 1.8062 | 1.8063 | 1.8070 |
| 1.8075 | 1.8150 | 1.8151 |
| 1.8152 | 1.8153 | 1.8154 |
| 1.8158 | 1.8159 | 1.8160 |
| STAINLESS STEEL Reducers | STAINLESS STEEL Concentric Reducers | STAINLESS STEEL Tees |
| STAINLESS STEEL Pipe Nipples | STAINLESS STEEL Stub end | STAINLESS STEEL Tees |
| STAINLESS STEEL Elbows | STAINLESS STEEL 3D Elbow | STAINLESS STEEL Stub Ends |
| STAINLESS STEEL End Caps | STAINLESS STEEL 5D Elbow | STAINLESS STEEL 180° SR Return Bends |
| STAINLESS STEEL Long Radius Elbow | STAINLESS STEEL Eccentric Reducers | STAINLESS STEEL Reducing Crosses |
| STAINLESS STEEL Elbows | STAINLESS STEEL Crosses | STAINLESS STEEL Couplings |
| STAINLESS STEEL Short Radius Elbow | STAINLESS STEEL Pipe Bends | STAINLESS STEEL 45° Elbows |
| STAINLESS STEEL Reducing Elbow | STAINLESS STEEL Piggable Bends | STAINLESS STEEL 180° LR Return Bends |
| STAINLESS STEEL Forged Caps | STAINLESS STEEL Forged Tees | STAINLESS STEEL Unions |
| STAINLESS STEEL Couplings | STAINLESS STEEL Forged Reducers | STAINLESS STEEL Forged Crosses |
| STAINLESS STEEL 90° Forged Elbows | STAINLESS STEEL Inserts | STAINLESS STEEL Forged Plug |
| STAINLESS STEEL 45° Forged Elbows | STAINLESS STEEL Street Elbows | STAINLESS STEEL Bushings |
| STAINLESS STEEL Forged Fittings | STAINLESS STEEL Fittings | STAINLESS STEEL Socket weld Fitting |
| STAINLESS STEEL Forged Fittings | STAINLESS STEEL Fittings | STAINLESS STEEL Threaded Fitting |
| STAINLESS STEEL Forged Fittings | STAINLESS STEEL Forged Pipe Fittings | STAINLESS STEEL Forged Pipe Fittings |
| STAINLESS STEEL Blind Flanges | STAINLESS STEEL Plate Flanges | STAINLESS STEEL ASME Flanges |
| STAINLESS STEEL Reducing Flanges | STAINLESS STEEL Weld Neck Flanges | STAINLESS STEEL Industrial Flanges |
| STAINLESS STEEL Threaded Flanges | STAINLESS STEEL Lap Joint Flanges | STAINLESS STEEL Long weld Neck Flanges |
| STAINLESS STEEL Slip-On Flanges | STAINLESS STEEL Socket Weld Flanges | STAINLESS STEEL Orifice Flanges |
| STAINLESS STEEL Flat Flanges | STAINLESS STEEL DIN Flanges | STAINLESS STEEL ANSI Flanges |
| STAINLESS STEEL Pipe Flanges | STAINLESS STEEL Flanges | STAINLESS STEEL Forged Flanges |
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