- Tensile Machine for pulling kinds of Bolts / Bolts
- Hardness Machine (portable and static)
- Spectrum detection and metallography detection equipment
- Suitability Test Machine for assembly testing
- Both Rockwell hardness and Brinell Testing Machine
- Thread Gauges for bolts and Bolts
- Plating Thickness Tester
Dimensions | Millimeters (mm) |
Material | 304B(AISI/ASTM) |
Grade | A2-70/A2-50/A4-50/A4-70 |
Thread | Full thread/partial thread |
Finish | Black /Zinc Plated/Self color |
Size range | M3-M26 |
Packing options | Bag and pallet/Boxed and pallet |
Dimensions of Metric DIN 933 Hexagon Head Cap Screws / Bolts Full Thread | ||||||||||||||||||||||||||||||||||||||||||||
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Mechanical properties of stainless steel for metric DIN 933 Hexagon Head Cap Screws / Bolts Full Thread | ||||||
Screws, Bolts and Bolts | ||||||
Steel group | Steel grade | Strength class | Tensile strength N/mm2 | Tensile strength PSI | Dia range | Bolt Load N/mm2 |
Austenitic | A2 and A4 | 50 | 500 | 70,000 | <=M39 | 500 |
70 | 700 | 100,000 | <=M20 | 700 | ||
80 | 800 | 118,000 | <=M20 | 800 |
Steel group | Property Strength class | Made From | Characteristics | |
Austenitic | 50 | A1, A2 | Soft; cold worked, turned and soft pressed fasteners | |
70 | A2, A4 | Cold worked, normal strength formed fasteners | ||
90 | A2, A4 | Extreme cold worked, high strength, special |
牌号 | 化学成分 chemical composition % | 材料特性 Mechanical properties | |||||||||
TPYE | C Carbon 碳 | Si Silicon 硅 | Mn Manganese 锰 | P Phosphorus 磷 | S Sulfur 硫 | Ni Nickel 镍 | Cr Chromium 铬 | Mo Molybdenum 钼 | Cu Copper 铜 | Others | |
201 | 0.15 | 1.00 | 5.5-7.5 | 0.06 | 0.030 | 3.50-5.50 | 16.0-18.0 | —— | —— | N≤0.25 Nitrogen氮 | 属节镍钢种,冷加工后有磁性。可代替SUS310使用 |
302 | 0.15 | 1.00 | 2.00 | 0.045 | 0.030 | 8.0-10.0 | 17.0-19.0 | —— | —— | 在硝酸、大部分有机酸和无机酸、水溶液、硝酸,碱及煤气等介质中具有良好的耐蚀性。冷加工后有高的强度。 | |
304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 8.0-10.0 | 18.0-20.0 | —— | —— | 有良好的耐腐蚀性,被广泛使用。 | |
316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | —— | 在海水及各种有机酸等介质中,耐腐蚀性更好。为重要的耐腐蚀材料。 |