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Cylinders with large diameter seamless steel tube
Cylinders with large diameter seamless steel tube
Standard: GB18248-2000-cylinders with seamless steel tube Q/BQB 250-2003-oxygen tanks with seamless steel tube ASTM A519-Carbon Steel Seamless-Mechanical Alloy Tubing USES: Used in the manufacture of hot rolling cylinders with seamless steel tube The main production steel tube brand: 37 Mn, 34 CrMo4
Product description


MECHANICAL PROPERTIES

STANDARD

GRADE

TENSILE STRENGTH(MPA)

MIN YIELD POINT(MPA)

ELONGATION (%)

IMPACT ENERGY(J)

Q/BQB 250

37Mn

≥750

≥630

≥16

≥55

Q/BQB 250

34CrMo4

≥980

≥835

≥12

≥63

CHEMICAL COMPOSITION


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