ASTMA691993沉淀硬化不銹鋼和耐熱鋼厚板薄板和鋼帶

1、ASTMA693-1993M淀硬化不銹鋼和耐熱鋼厚板、薄板和鋼帶創(chuàng)建時(shí)間：2008-12-29ASTMA693-1993沉淀硬化不銹鋼和耐熱鋼厚板、薄板和鋼帶沉淀硬化不銹鋼和耐熱鋼厚板、薄板和鋼帶的力學(xué)性能是通過一般稱作“沉淀硬化”的適當(dāng)?shù)牡蜏責(zé)崽幚韥淼玫?。這些鋼用作要求耐腐蝕和在室溫或在達(dá)315c高溫具有高強(qiáng)度的零件。其中有些鋼特別適于在固溶熱處理狀態(tài)進(jìn)行中等的至嚴(yán)厲的拉拔和成形。其他一些鋼僅能進(jìn)行輕度成形。這些鋼適于在固溶退火狀態(tài)進(jìn)行機(jī)加工。在同溶退火后，這些鋼可以被硬化到標(biāo)準(zhǔn)規(guī)定的力學(xué)性能。而沒有破裂或變形的危險(xiǎn)。制造方法鋼應(yīng)按下列種方法冶煉：a）電爐（帶有獨(dú)立的脫氣和精煉裝置）；b）真

2、空爐；c）電爐或真空爐冶煉，隨后在真空中或惰性氣體中自耗重熔，或電渣重熔，或進(jìn)行電子束精煉；d）供需雙方協(xié)商同意的其他常用的冶煉方法。牌號(hào)和化學(xué)成分鋼的牌號(hào)和化學(xué)成分見表1。表1牌號(hào)和化學(xué)成分1）UNS代號(hào)1)牌號(hào)CMnPSSiCrS174006300.071.000.0400.0301.0015.O0-17.5OS1770O6310.091.000.0400.03'J1.0016.00-18.00S157OO6320.091.000.0400.031.0014.00-16.00S35000S330.07-0.110.50-1.250.0400.0300.5016.00-17.00S3

3、55006340.10-0.150.50-1.250.0400.0300.5015.00-16.OOS176OO6350.081.000.0400.031.0016.00-17.50S3620OXM-90.050.500.030O.O300.3O14.00-14.5OS155OOXM120.071.000.0400.0301.0014.00-15.5OS13800XM-130.050.200.0100.0080.1012.25-13.25S45500XM-160.050.500.0400.0300.5011.00-12.50S45OOOXM-250.051.000.0300.0301.0014

4、.00-16.00UNS代號(hào)1)NiAlMoTiCu其他元素S174003.00-5.00一一一3.00-5.004)S1770O6.507.750.75-1.50一一一S157OO6.50-7.750.75-1.502.00-3.00一一S350004.00-5.00一2.50-3.25一一5)S355004.00-5.002.50-3.25一6)S176OO6.00-7.500.40一0.40-1.20一一S3620O6.25-7.000.100.300.60-0.90一一S155OO3.50-5.50一一2.50-4.504)S138007.50-8.500.90-1.352.00-2.

5、50一一7)S455007.50-9.50一0.500.80-1.401.50-2.506)S45OOO5.00-7.00一0.50-1.00一1.25-1.758)1)除非對(duì)范圍另有說明或規(guī)定外，該成分界限為最大百分?jǐn)?shù)值。2）按ASTME52和SAEJ108昉法規(guī)定的新代號(hào)。3） Cb和Nb代表同一元素花。4） Nb+Ta為0.15%-0.45%。5）氮為0.07%-0.13%。6） Nb+Ta為0.10%-0.50%。7）氮為0.01%。8）Nb不小于8倍含碳量。產(chǎn)品熱處理除非需方在訂貨單中另有規(guī)定，產(chǎn)品應(yīng)按表2規(guī)定的固溶退火狀態(tài)供應(yīng)表2產(chǎn)品熱處理UNS（弋號(hào)牌號(hào)固溶處理沉淀硬化處理1）S

6、174006301050c±25C（按要求冷卻）482c±8C,1h,空冷496c±8C,4h,空冷552c±8C,4h,空冷579c±8C,4h,空冷593c±8C,4h,空冷621C±8C,4h,空冷760C±8C,2h,空冷-621C±8C,4h,空冷S177006311065c±15C（水淬）760C±8C,保10min,快冷到室溫，在24h內(nèi)冷卻到-73C±6C,保持不少于8h,在空氣中緩到室溫。加熱到510C±6C,保溫1h,空冷另一個(gè)可選擇的處理760

7、c±15C,保溫90min,在1h內(nèi)冷卻到15C±3C,保持不少于30h。加熱到566c±6C,保溫90h,空冷S15700632P1038c±15C（水淬）同牌號(hào)631S35000633930C±15c（水淬），在75c或更低保持不少于3h455c±8C,3h,空冷540c±8C,3h,空冷S355006342）1038c±15c（淬火）,在-73C或更低保持不少于954c±6C,不少于10min,但是不多于1h,水淬，冷到/、高3h于-73C,保持不少于3h,在538c±15C回火，保溫不少

8、于3hS176006351038c土15C（空冷）510C±8C,30min,空冷538c±8C,30min,空冷566c±8C,30min,空冷S36200XM-9843c±15C（空冷）482c±8C,8h,空冷S1550OXM-121038c±15c（按要求空冷）同牌號(hào)630S13800XM-13927c士15C（按要求冷到低于60C）510C±6C,4h,空冷538c±6C,4h,空冷S45500XM-16829c±15C（水淬）482c±6C,4h,空或510C±6C,4h,

9、空冷S45000XM-231038c±15C（快冷）482c±8C,4h,空或538c±8C,4h,空冷621C±8C,4h,空冷1）時(shí)間是指材料在該溫度的時(shí)間2）相等和較高的回火處理：774c±25C,保溫不少于3h。冷到室溫，加熱到579c±15C,保溫不少于3h0力學(xué)性能當(dāng)試樣按表2規(guī)定的沉淀硬化制度處理時(shí)，力學(xué)試樣所代表的材料應(yīng)符合表3規(guī)定的力學(xué)性能要求，并且能達(dá)到表4中的性能。表3固溶處理狀態(tài)的力學(xué)性能牌號(hào)厚度，mm抗拉強(qiáng)度MPa屈服強(qiáng)度MPa伸長率（標(biāo)距50mm）%5硬度0洛氏布氏6300.38-102125511053C

10、38363631P<O.25P1035450一一一>0.25-102103538020B92一6320.038-102103545025B1OO110.03-<0.038r13806208C30O.038-<O.0513806058C30一0.05-<0.1313805958C30一0.13-<0.25r13805858C30一>0.254138058512C30一6341）厚板一一C4O一635P<0.76r8255153C32一>O.76-1.528255154C32一>1.528255155C32一XM-9P>0.35P1

11、035860P4C28XM-120.038-101.6一一一C38363XM-130.038-101.6一一一C38363XM-1Gr>0.25r12051105P3C36331XM2弓）>0.25120510354C333111）僅為固溶處理，相等和較高回火的厚板。2）XM-25也提供下列性能（最低值）：抗拉強(qiáng)度895MPa屈服強(qiáng)度620MPa伸長率4%25RC256HB彎曲性能從固溶退火后的厚板、薄板或鋼帶上切取的試樣應(yīng)經(jīng)受表5規(guī)定的冷彎試驗(yàn)，在彎曲部位的外部不應(yīng)出現(xiàn)斷裂。表4沉淀硬化處理后的力學(xué)性能牌號(hào)沉淀硬化處理厚度，mm抗拉強(qiáng)度MPa>屈K強(qiáng)度MPa>伸長率（

12、標(biāo)距50mm）%>斷面收縮率1）%>硬度沖擊功（V型）J2）>洛氏布氏630和XM-Y2482<4.762131011705C1O/C48一一4.762-15.8813101170825C4O/C48388/47715.90-102131011701030C4O/C48388/477一496<4.762117010705一C38/C46一一15.90-10211701070825C38/C47375/477一15.90102117010701030C38/C47375/477一552<4.762107010005一C35/C43一一4.762-15.8810

13、701000830C33/C42321/4151415.90-102107100123C33/C4321/412000525579<4.76210008605C31/C40一一4.762-15.881000860930C29/C38293/3752015.88-10210008601335C29/C38293/37527393<4.7629657A5一C31/C40一一4.762-15.889657251030C29/C38293/3752015.88-1029655151435C29/C38293/37527621<4.7629307258一C28/C38一一4.762-1

14、5.889307251035C26/C36269/3523415.88-1029307251640C26/C36269/35241760+621<4.7627905159一C26/C36255/331一4.762-15.887905151140C24/C34248/3217515.88-1027905151845C26/C34248/32175631760+15+5660.038-0.124124010353一C38一一0.127-0.251124010354一C38一0.25-0.505124010355一C38一一0.51-4.760124010356一C38一4.762-15.88

15、1170965720C38352一954+73+5100.038-0.124145013101一C44一0.127-0.251145013102C44一一0.25-0.505145013103一C44一一0.51-4.760145013104C44一一4.762-15.8813801240620C43401冷軋0.038-1.27138012051C41冷軋+4820.038-1.27165515801C46一一632760+15+5660.038-0.124131011702一C40一一0.127-0.251131011703C40一一0.25-0.505131011704一C40一0.51

16、-4.760131011705一C40一4.762-15.8813101170420C40375一954+73+5100.038-0.124155013801一C46一一0.127-0.251155013802一C46一0.25-0.505155013803C46一一0.51-4.760155013804一C46一一4.762-15.8815501380420C46429一冷軋0.038-0C41一冷軋+4820.038-0C466334550.022-0.038127510352C42一一0.038-0.041127510354一C42一一

17、0.041-0.254127510356一C42一0.254-4.762127510358一C42一一5400.022-0.038114010002C36一一0.038-0.041114010004一C36一0.041-0.254114010006一C36一一0.254-4.762114010008C36一6344551310114010一一一5401170103512一C37一一510<0.76131011703C39一一0.76-1.52131011704C39一一>1.52131011705一C39一厚39363一540<0.761240110

18、53一C37一一0.76-1.52124011054一C37一一>1.52124011055一C37一一厚板12401105830C38352565<0.76117010353一C35一一0.76-1.52117010354一C35一一>1.52117010355一C35厚板11701035830C36331一XM-13510<0.51151514106一C45一一0.51-4.760151514108一C454.76-15.881515141010一C45一15.90-1021515141010一C45429538<0.51138013106一C43一一0.51-4.760138013108一C43一一4.76-15.881380131010C43一一15.90-1021380131010C434