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注:一只可发,不限起订数量,仅针对直接终端用户,同业客户不在此类。
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产品名称 | A2 DIN7991 不锈钢沉头内六角螺丝 |
标准 | DIN7991 对应国标: GB70.3 对应国际标准: ISO10642 |
材质 | SUS304 |
表面处理 | 不锈钢本色 |
其他 | 现货规格无需要咨询,直接订购,无货规格交期10天左右。 |
DIN7991标准下载链接DIN7991重量表下载链接
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All measurements in millimeters (mm)
d1 | b | t | s | k max | d2 |
M3 | 12 | 1.2 | 2 | 1.7 | 6 |
M4 | 14 | 1.8 | 2.5 | 2.3 | 8 |
M5 | 16 | 2.3 | 3 | 2.8 | 10 |
M6 | 18 | 2.5 | 4 | 3.3 | 12 |
M8 | 22 | 3.5 | 5 | 4.4 | 16 |
M10 | 26 | 4.4 | 6 | 5.5 | 20 |
M12 | 30 | 4.6 | 8 | 6.5 | 24 |
M16 | 38 | 5.3 | 10 | 7.5 | 30 |
M20 | 46 | 5.9 | 12 | 8.5 | 36 |
M24 | 54 | 10.3 | 14 | 14 | 39 |
All information is strictly informative
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SUS304 DIN7991沉头内六角螺丝实拍图片,由于摄影水平等因素,照片和实物略有差别。
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SUS304,SUS316等奥氏体不锈钢材料化学成分:参考标准DIN267 ISO3506化学成份,%,max
Austenitic Grade | Material No. to AISI | C | Si | Mn | P | S | Cr | Mo | Ni |
A1 | 303 | 0.12 | 1.0 | 2.0 | 0.20 | 0.15 to 0.35 | 17.0 to 19.0 | 0.6 | 8.0 to 10.0 |
A2 | 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17.0 to 20.0 | - | 8.0 to 13.0 |
A4 | 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16.0 to 18.5 | 2.0 to 3.0 | 10.0 to 14.4 |
奥氏体不锈钢螺栓,螺钉和螺柱机械性能:A2-70机械性能表,A4-80机械性能表:参考标准ISO3056,GB3098.6
Grade | Property Class | Tensile Strength Rm MPa (N/mm2) minimum | Yield Stress Rp 0.2 Mpa (N/mm2) minimum | Elongation AL Minimum | Proof Load Stress Sp Mpa (N/mm2) minimum | Diameter Range |
A2 and A4 | 70 | 700 | 450 | 0.4d | 700 | =<M20 |
80 | 800 | 600 | 0.3d | 800 | =<M20 |
SUS304 A2-70与SUS316 A4-70螺栓载荷与使用锁紧扭矩数据:
Diameter | Load 1) Force at 0.2% yield point N | Initial Stressing Force N | Tightening Torque Nm | Force in service N |
Axial Static | Axial Dynamic | Radial Static or Dynamic |
M3 | 2250 | 1420 | 0.9 | 610 | 360 | 120 |
M4 | 3960 | 2490 | 2.2 | 1070 | 640 | 210 |
M5 | 6390 | 4030 | 4.3 | 1730 | 1040 | 350 |
M6 | 9040 | 5700 | 7.3 | 2440 | 1470 | 490 |
M8 | 16470 | 10380 | 17.7 | 4450 | 2670 | 890 |
M10 | 26100 | 16440 | 35.5 | 7050 | 4230 | 1410 |
M12 | 37930 | 23900 | 61.3 | 10240 | 6150 | 2050 |
M16 | 70650 | 44510 | 147.1 | 19080 | 11450 | 3820 |
M20 | 110250 | 69460 | 285.1 | 29770 | 17860 | 5950
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