RED STEEL BAR, STEEL BAR; ROUND SECTION; SECTION 3 INCH; LENGTH 4070 MM; IN STEEL DIN 90 MN4; ASTM A576 / 90B – DEGREE 1090 (DIN EN 10083-3 / 2006 AND DIN 17200/1987); LAMINATED; WEIGHT 35.8 KG / M; WITH THE FOLLOWING THERMAL TREATMENTS:
GROUND = 640 – 680 GRADE C
STANDARDIZATION = 860 – 890 DEGREE C
TEMPER = 790 – 860 GRADE C (IN OIL)
REVENUE = 480 – 650 DEG C
HARDNESS HARDNESS = LESS THAN OR EQUAL TO 350 HBS
CHEMICAL COMPOSITION:
CARBON (C) = 0.85-0.95%
SILICON (SI) = 0.25-0.50%
MANGANES (MN) = 0.9 – 1.10%
PHOSPHORUS (P) = LESS OR EQUIVALENT 0.035%
SULFUR (S) = LESS THAN OR EQUAL TO 0.035%
85000 KG
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