F594C螺母是一种特定类型的螺母,尺寸通常根据国际标准(如ISO、DIN等)或特定行业规范来确定,常见的材质包括碳钢、合金钢、不锈钢等,具有高强度、耐磨损、耐腐蚀等。
牌号 | F594 304 |
美国UNS | S30400 |
对应标准 | ASTM F594-2009(R2015) 不锈钢螺母标准规范 |
归类 | 奥氏体不锈钢 |
F594 304 化学元素成分含量(%)
成分 | C | Si | Mn | P | S | Cr | Ni | Cu |
---|---|---|---|---|---|---|---|---|
最小值 | - | - | - | - | - | 18 | 8 | - |
最大值 | 0.08 | 1 | 2 | 0.045 | 0.03 | 20 | 10.5 | 1 |
公称直径 inch | 热处理或状态 | 硬度 HBW |
---|---|---|
1/4 ~ 1-1/2 | AF | HR(B85 max) |
1/4 ~ 1-1/2 | A | HR(B65~95) |
1/4 ~ 5/8 | CW1 | HR(B95~C35) |
3/4 ~ 1-1/2 | CW2 | HR(B80~C35) |
1/4 ~ 5/8 | SH1 | HR(C24~36) |
3/4 ~ 1 | SH2 | HR(C20~32) |
1-1/8 ~ 1-1/4 | SH3 | HR(B95~C30) |
1-3/8 ~ 1-1/2 | SH4 | HR(B90~C28) |
A——Machined from annealed or solution annealed stock thus retaining the properties of the original material, or hot formed and solution annealed.
AF——Annealed after all threading is completed.
AH——Solution annealed and age hardened after forming.
CW——Annealed and cold worked Sizes 0.75 in. and larger may be hot worked and solution annealed.
H——Hardened and tempered at 1050°F (566℃) min.
HT——Hardened and tempered at 525°F (274℃) min.
SH——Machined from strain hardened stock.
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