Application List

The application list will drive you through Nippon Steel material applications and subsequent proprietary grades.

Selection tool

New Sour Service

Low alloy Carbon steel OCTG material resistant to Sulfide Stress Cracking in combined presence of H₂S, water, and applied stress. SM-Series Sour Service line has been totally renewed more comprehensively with adding newly developed cutting edge materials.

GRADE	YIELD STRENGTH KSI		TENSILE STRENGTH KSI	ELONGATION %	HARDNESS HRC	TECHNICAL NOTE
	Min	Max	Min		Max
SM-80XS	80	95	95	API Formula	22.0	Application: Unlimitted H2S Tested: 90% SMYS, 1bar H2S, NACE A, Sol-A
SM-90XS	90	105	100	API Formula	25.4	Application: Unlimited H2S Tested: 90% SMYS, 1bar H2S, NACE A, Sol-A
SM-95XS	95	110	105	API Formula	25.4	Application: Unlimited H2S Tested: 90% SMYS, 1bar H2S, NACE A, Sol-A
SM-110XS	110	120	115	API Formula	29.0	Application: Unlimited H2S Tested: 85% SMYS, 1bar H2S, NACE A, Sol-A
SM-110ES	110	125	115	API Formula	30.0	QC Test: 85% SMYS, 0.1bar H2S, NACE A, Sol-B
SM-125ES	125	140	130	API Formula	36.0	Application: H2S < 0.1 bar* Tested: 85% SMYS, 0.1bar H2S, NACE A, Sol-B
SM-125S	125	140	130	API Formula	36.0	Application: H2S < 0.03 bar* Tested: 85% SMYS, 0.03bar H2S, NACE A, Sol-B
SM-140MS	140	150	140	API formula	38.0	SSC QC Test: 85% SMYS, 0.01bar H2S, NACE TM0177 method A, Sol-B
SM-80XSD	80	95	95	API Formula	22.0	Application: Unlimited H2S Tested: 1bar H2S, Sol-A, NACE A(90%), NACE D(30ksi√in)
SM-90XSD	90	105	100	API Formula	25.4	Application: Unlimited H2S Tested: 1bar H2S, Sol-A, NACE A(90%), NACE D(30ksi√in)
SM-95XSD	95	110	105	API Formula	25.4	Application: Unlimited H2S Tested: 1bar H2S, Sol-A, NACE A(90%), NACE D(30ksi√in)
SM-110XSD	110	120	115	API Formula	30.0	Application: Unlimited H2S Tested: 1bar H2S, Sol-A, NACE A(85%), NACE D(24ksi√in)