| 瑭崇窗(x矛)鍙冩暩(sh霉) | |||
|---|---|---|---|
| 鍝佺墝/寤犲 | 鍐堕煋 | 鍨嬭櫉 | STC4 |
| 鍔犲伐宸ヨ棟 | 鐔辫粙 | 鍘氬害 | 8mm-100mm |
| 瀵害 | 1250mm-1500mm | 闀峰害 | 6000mm-6500mm |
| 鎶楁媺寮�(qi谩ng)搴� | 700MPa~750MPa | 鍔犲伐鏈嶅嫏(w霉) | 鐒″姞宸� |
| 鍩�(zh铆)琛屾(bi膩o)婧�(zh菙n) | 鍐堕煋 | 璩�(zh矛)閲忕瓑绱� | A绱� |
| 鍔犲伐瀹氬埗 | 鍚� | 鏄惁閫�(j矛n)鍙� | 鏄� |
| 甯冩皬纭害 | 鐔辫粙 | C鍚噺 | 0.62%~0.90% |
| Mn鍚噺 | 0.50%~0.80% | Si鍚噺 | 0.17锝�0.37 |
| 鏂烽潰鏀剁府鐜囅�(%) | 鈮�10 | 浼搁暦鐜囄�5(%) | 14~21.5 |
| 灞堟湇寮�(qi谩ng)搴� | 430(MPa) | 鐢ㄩ€� | 鍙埗姘ｉ杸褰堢哀,褰堢哀鐠�(hu谩n),娓涙尟鍣ㄥ拰闆㈠悎鍣ㄧ哀鐗�,鍓庤粖绨х瓑 |
| 閲嶉噺 | 涓嶉檺 | 澶栧舰灏哄 | 鐔辫粙杌嬪湏閶�,鎵侀嫾,閶兼澘,閶煎付,鏂归嫾閶肩挡鍐锋媺鍦撻嫾 |
| 鐢�(ch菐n)鍦� | 灞辨澅 鍖椾含 涓婃捣 寤ｆ澅 娌冲寳 澶╂触 鍏朵粬 | ||
| 鐗岃櫉 | STC4褰堢哀閶�銆佸伐鍏烽嫾鍐疯粙閶煎付 | |||||||
| 灏嶆噳(y墨ng)妯�(bi膩o)婧�(zh菙n) | YB /T 5058-2005/ASTM/KS | |||||||
| 褰堢哀閶�銆佸伐鍏烽嫾鍐疯粙閶煎付 | ||||||||
| Cold-rolled spring and tool steel strips | ||||||||
| 姝搁 | 纰抽嫾 | |||||||
| STC4鍖栧(xu茅)鍏冪礌鎴愬垎鍚噺(%) | ||||||||
| 鎴愬垎 | C | Si | Mn | P | S | Cr | Ni | Cu |
| 鏈€灏忓€� | 0.95 | - | - | - | - | - | - | - |
| 鏈€澶у€� | 1.04 | 0.35 | 0.4 | 0.035 | 0.03 | 0.25 | 0.2 | 0.3 |
| * 姝ょ墝铏熷寲瀛�(xu茅)鎴愬垎鎳�(y墨ng)绗﹀悎GB/T 1298-1986 鐨勮(gu墨)瀹氥€� | ||||||||
| STC4姗�(j墨)姊版€ц兘 | ||||||||
| 鍘氬害 | 鎶楁媺寮�(qi谩ng)搴� | 鏂峰悗浼搁暦鐜囨垨寤朵几鐜� | ||||||
| t | 蟽b | 未 | ||||||
| mm | Mpa | % | ||||||
| 0.10~3.00锛岄€€鐏嫾甯� | 鈮�735 | 鈮�10 | ||||||
| 0.10~3.00锛屽喎纭嫾甯� | 735~1175 | |||||||
