310 / 310H is a stainless steel often used in gas atmospheres, heat exchangers and piping. This high chromium and nickel content has excellent oxidation resistance at temperatures up to 2000°F.

Types of materials sold by Steel Chandler in Steel 310 / 310H:

Pipes
Fittings
Flanges

Specifications
UNS S3108/S3109

Seam Pipe	8"-12"	10s, 40s, 80s	ASTM/ASME 312
Seamless Tube	1/8"-8"	10s, 40s, 80s, S/160, XXH	ASTM/ASME 312
B/W Fittings	1/2"-12"	10s, 40s, 80s	ASTM/ASME 403
Flanges	1/2"-8"	150#, 300#	ASTM/ASME 182
Pressure Fittings	1/2"-2"	3000# THRD/SW	ASTM/ASME 182

Chemical composition - %

Ni	19.0-22.0	Si	0.75 max.
Cr	24.0-26.0	S	0.03 max.
C	0.08 max.	P	0.045 max.
Mo	0.75 max.	Mn	2.0 max.