Hardness testing to ISO 6508-1
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Stainless steel is a type of steel that contains a minimum of 10.5% chromium by mass, giving it its characteristic resistance to corrosion and rust. One specific type of stainless steel, known as Stainless Steel 347, has become popular for use in hex bolts due to its unique combination of properties.
Features of Stainless Steel 347 Hex Bolt Stainless Steel 347 hex bolts are made from a high-strength, corrosion-resistant alloy. Here are some notable features of this type of bolt:
Applications of Stainless Steel 347 Hex Bolt Stainless Steel 347 hex bolts find applications in various industries due to their unique features. Here are some common uses of this type of bolt:
Specifications | ASTM A193 / ASME SA193 |
Standard | ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards |
Size | M3 - M100 | 3/6″ - 4″ | Custom Sizes |
Length | 3 mm - 200 mm | Custom Sizes |
DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
Heat Treatment of Stainless Steel 347 Hex Bolt Stainless Steel 347 hex bolts can be heat treated to enhance their properties. Here are the commonly used heat treatment processes for this type of bolt:
To preserve the high standards of our selection of industrial Hex Bolt, we have always adhered to a systematic quality management process.
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STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 20.00 | 10xC – 1.10 | 9.00 - 13.00 | 62.74 min |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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