BDF can offer you good quality 316L stainless steel stud bolts, 316L stainless steel threaded rod, 316L stainless steel threaded bar, 316L stainless steel double ends stud bolts… in full thread or half thread. Our standards/specifications covers ASTM, ASME, DIN, ISO. Such as DIN975, DIN976, DIN938, DIN939, ASME/AISI 18.2.1 etc. We can also manufacture all shapes of non-standard hastelloy stud bolts according to customers’ drawing. BDF is able to produce a wide range of sizes stud bolts. The diameter of bolts ranges from M6-M80 in Metric and 5/16” to 3 1/2” in Inch, and length can be up to 1000mm or 12 feet.
chemical composition:
Carbon : ≤ 0.030 Silicon Si: ≤ 1.00
Manganese: ≤ 2.00
Sulfur :≤0.030
Phosphorus :≤0.045
Chromium: 16.00～18.00
Nickel: 10.00～14.00
Molybdenum: 2.00~3.00
Mechanical properties:
Tensile strength σb (MPa): ≥ 480
Conditional yield strength σ0.2 (MPa): ≥177
Elongation δ5 (%): ≥ 40
Area shrinkage ψ (%): ≥ 60
Hardness: ≤187HB; ≤90HRB; ≤200HV
Density: 7.98g/cm3;
Specific heat capacity ratio (20 ° C): 0.502 J / (g * K)