Products

Below are the main types of steel tube and bar that we stock at Sullivan Steel Services. For detail on each type, please click on the name listed in the first column:

MATERIAL FOR REQUIREMENTS MELT PRACTICE TYPICAL SPECS. CORROSION RESISTANCE *TYPICAL TEMP. LIMIT ALT. TO:
52100 Tube & Bar Standard Bearing Steel Air-melt AMS 6440 ASTM A295 - 300°F (149°C) -
8620 Tube Carburizing Bearing Steel Air-melt AMS 6274 ASTM A534 - 250°F (121°C) -
52100 Bar VAR Premium Bearing Steel, Aircraft Bearings VAR AMS 6444 - 300°F (149°C) -
M50 VIM-VAR High Temperature Steel, Aircraft Bearings

VIM-VAR

AMS 6490 AMS 6491 - 700°F (371°C) -
XD15NW Bar Stainless Bearing Steel, High Nitrogen (CREN) ESR AMS 5925 A true stainless bearing steel  830°F (443°C) 440C 17-4PH
XD16N Bar Stainless Bearing Steel

Air-melt

AMS 5926 A true stainless bearing steel 830°F (443°C) 440C 17-4PH
CX13VDW Bar Carburizing Stainless Steel Bearing & Structural ESR AMS 5719 Excellent (in non-carburized areas) 482°F (250°C) >Pyrowear® 675 Stainless
440c     Corrosion Resistant Bearing Steel Melt Practice: VAR and Air-Melt AMS 5618 AMS 5880 AMS 5630 Better than 52100 / Significantly worse than XD15NW 250°F (120°C)

* The temperature limit of a specific application will depend on several factors including the tempering temperature of the heat treating operation, as well as service temperature range and time at temperature (ie. continuous versus intermittent service at temperature).

Hard to find specialty steel

If you have difficulty finding a special grade of steel give us a try. We have a data base of hard to find material. We also have excellent relationships with many specialty steel manufacturers.