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Anti-H2S Corrosion Tubing and Casing
Source:SIQUAN|[ 2014-03-12 ] Hits:1040
摘要:

Product characteristics:
1 Pure steel – Apply high pure steel smelting technology and vacuum degassing method, P≤0.015%, S≤0.008%, apply calcium treatment technology to control inclusion shape and five hazardous elements.
2 Stable performance – After quenching all the sectional area of steel tube can get more than 98% martensite organizations, and after tempering can form small and uniform tempered sorbite organizations.
3 Anti-cracking corrosion – Eliminating residual stress, on the corrosion and scaling on material Surface form anti-corrosion oxidation film with one or several atomic layer thickness high stability alloy components.
4 Uniform organization-Grain size ≥class 8, hardness uniform.
Chemical composition:
Grade Products wt%  Maximum value or permitted scope
C Mn Si P S Cr Mo Ti Cu Ni
80 JST80S 0.30 0.90 0.35 0.015 0.008 0.90 0.50 0.05 0.20 0.20
JST80SS
90 JST90S 0.30 0.90 0.35 0.015 0.008 1.20 0.50 0.05 0.20 0.20
JST90SS
95 JST95S 0.30 0.90 0.35 0.015 0.008 1.20 0.50 0.05 0.20 0.20
JST95SS
110 JST110S 0.30 0.90 0.35 0.015 0.008 1.20 0.50 0.05 0.20 0.20
JST110SS
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