F53 ALLOY 32750 (UNS S32750) BOLT
Standard : DIN931/ DIN933 / A307 / A325/ A490/AS1252
Thread Style: UNC, UNF, 8UN, Metric Fine and Coarse
F53 ALLOY 32750 ( UNS S32750 ) IS A SUPER DUPLEX STAINLESS STEEL SUPPLIED IN THE SOLUTION ANNEALED CONDITION. AS A SUPER DUPLEX STAINLESS STEEL, IT COMBINES THE DESIRABLE ASPECTS OF BOTH AUSTENITIC AND FERRITIC GRADES. THE HIGHER CHROMIUM, MOLYBDENUM AND NITROGEN CONTENTS RESULT IN A PITTING RESISTANCE EQUIVALENT NUMBER (PREN) OF >41, PROVIDING PITTING AND CREVICE CORROSION RESISTANCE SUPERIOR TO AUSTENITIC AND DUPLEX STAINLESS STEELS IN ALMOST ALL CORROSIVE MEDIA, AND A CRITICAL PITTING TEMPERATURE EXCEEDING 50°C.
| STANDARD | CHEMICAL COMPOSITION (%) | ||||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | N | Cu | ||
| UNS | S32750 | 0.03 | 0.80 | 1.20 | 0.035 | 0.020 | 6.00-8.00 | 24.00-26.00 | 3.00-5.00 | 0.20-0.30 | 0.50-1.00 |
| ASTM | F53 | 0.03 | 0.80 | 1.20 | 0.035 | 0.020 | 6.00-8.00 | 24.00-26.00 | 3.00-5.00 | 0.20-0.31 | 0.50-1.01 |
| SWEDEN | 2507 | 0.03 | 0.80 | 1.20 | 0.035 | 0.020 | 6.00-8.00 | 24.00-26.00 | 3.00-5.00 | 0.20-0.32 | 0.50-1.02 |
| EN | 1.4410 | 0.03 | 1.00 | 2.00 | 0.035 | 0.015 | 6.00-8.00 | 24.00-26.00 | 3.00-4.00 | 0.20-0.33 | 0.50-1.03 |
| GB | S25073 | 0.03 | 0.80 | 1.20 | 0.035 | 0.020 | 6.00-8.00 | 24.00-26.00 | 3.00-5.00 | 0.24-0.32 | 0.50 |
| JIS | SUS329J4L | 0.03 | 1.00 | 1.50 | 0.035 | 0.020 | 5.50-7.50 | 24.00-26.00 | 2.50-3.50 | 0.08-0.03 | - |
| UNS S32750 MECHANICAL PROPERTY | |||||||||||
| DENSITY | MELTING POINT | TENSILE STRENGTH (STRESS) σb | YIELD STRENGTH(STRESS) σp | ELONGATION IN 4D δ | HARDNESS | ||||||
| 8.03 g/cm3 | 1300-1390℃ | ≥795MPa | ≥550MPa | ≥15% | ≤310HRB | ||||||
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