Solid Threaded Bar Thread Screw Steel Bar

Steel Grade YieldStrengthMpa TensileStrength Mpa Elongation at Failure A% Uniform elongtion Agt% Stress Relaxation
OriginalStress Relaxation rate after 1000h r/%
PSB500 ≥500 ≥500 ≥10 ≥3.5 0.7Rm ≤4.0
PSB785 ≥785 ≥980 ≥8 ≥3.5 0.7Rm ≤4.0
PSB830 ≥830 ≥1030 ≥7 ≥3.5 0.7Rm ≤4.0
PSB930 ≥930 ≥1080 ≥7 ≥3.5 0.7Rm ≤4.0
PSB1080 ≥1080 ≥1230 ≥6 ≥3.5 0.7Rm ≤4.0