SS is specifically designed and manufactured to meet stringent Canadian IRP requirements. These special alloy materials combine reduced carbon chemistries with advanced quenched and tempered processes for optimal SSC resistance, even in highly concentrated H₂S environments.

Specifications

Grade	Yield Strength (ksi)		Tensile Strength (ksi)		Hardness Requirement (HRC)	NACE TM0177	Tool Joint Hardness (HRC)		Tool Joint SMYS (ksi)
	Min	Max	Min	Max	Min / Max Avg. / Max Single		Max Avg.	Max Single
SS 75	75	95	95	115	N/A / 22.0 / 24.0	85	30	32	110
SS 95	95	110	105	130	18.0 / 25.0 / 27.0	85	30	32	110
SS 105	105	120	115	140	21.0 / 28.0 / 29.0	85	30	32	110

NACE tested to 65% SMYS

NACE testing frequency shall be once per heat, heat treat lot or every 200 joints, whichever is most frequent.