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SA302GrB特種鋼板-鍋爐板/容器板系列
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切割，焊接，以及液壓設(shè)備等機(jī)械設(shè)備及其它結(jié)構(gòu)件。 [1]外文名適用領(lǐng)域石油、化工、電站、鍋爐等行業(yè)目錄1范圍2引用標(biāo)準(zhǔn)3訂貨信息4材料制造5熱處理6化學(xué)成分7抗拉性能8補(bǔ)充要求范圍播報(bào)編輯1.1本標(biāo)準(zhǔn)適用于焊接鍋爐和其它壓力容器用錳——鉬和錳——鉬——鎳合金鋼板。1.2本標(biāo)準(zhǔn)中的鋼板有下列四種不同的強(qiáng)度級(jí)別：級(jí)別抗拉強(qiáng)度，ksi(MPa)類別A79-95(515-655)Mn-MoB80-100(550-690)Mn-MoC80-100(550-690)Mn-Mo-NiD80-100(550-690)Mn-Mo-Ni1.3鋼板的最大厚度公受化學(xué)成分滿足規(guī)定力學(xué)性能要求的限制。鋼板的最小厚度限制到0.25in(6.5mm)。1.4用英寸一磅單位或用SI單位表示的數(shù)值都應(yīng)視為標(biāo)準(zhǔn)值。本標(biāo)準(zhǔn)文本中，SI單位用括號(hào)示出。每種單位制所表示的數(shù)值并非精確相等。因些，每種單位制必須單獨(dú)使用?；煊脙煞N單位制，會(huì)導(dǎo)致與本標(biāo)準(zhǔn)不一致。引用標(biāo)準(zhǔn)播報(bào)編輯2.1 ASTM標(biāo)準(zhǔn)A20/A20M 壓力容器用鋼板的一般要求訂貨信息播報(bào)編輯3.1按本標(biāo)準(zhǔn)供貨的材料應(yīng)符合A20/A20M標(biāo)準(zhǔn)的要求。這些要求包括試驗(yàn)和復(fù)驗(yàn)方法和程序、尺寸和重量的允許偏差、質(zhì)量和缺陷的修整、標(biāo)志、裝運(yùn)等。3.2 A20、A20M標(biāo)準(zhǔn)還規(guī)定了訂購(gòu)本標(biāo)準(zhǔn)的材料時(shí)應(yīng)遵守的訂貨規(guī)則。3.3除本標(biāo)準(zhǔn)的基本要求外，當(dāng)要求進(jìn)行附控制、試驗(yàn)或檢驗(yàn)以滿足最終使用要求時(shí)，可采用某些補(bǔ)充要求。3.4需方應(yīng)參考本標(biāo)準(zhǔn)所列補(bǔ)充要求和A20/A20M標(biāo)準(zhǔn)中的祥細(xì)要求。3.5卷產(chǎn)品（略）3.6若A20/A20M標(biāo)準(zhǔn)要求與本標(biāo)準(zhǔn)不一致，應(yīng)以本標(biāo)準(zhǔn)的要求為準(zhǔn)。材料制造播報(bào)編輯煉鋼工藝——鋼應(yīng)為鎮(zhèn)靜鋼，并應(yīng)符合A20/A20M標(biāo)準(zhǔn)中細(xì)晶料度要求。熱處理播報(bào)編輯厚度≤2in(50mm)鋼板通常以軋制狀態(tài)交貨。鋼板也可按正火或消除應(yīng)力，或正火加消除應(yīng)力訂貨。厚度>2in(50mm)鋼板應(yīng)正火。當(dāng)對(duì)厚度≥4in(100mm)的鋼板進(jìn)行正火時(shí)，可采用鼓風(fēng)或液體淬火的方法加速冷卻，以達(dá)到與對(duì)較小厚度鋼板正火所產(chǎn)生的相近的力學(xué)性能。如果需方同意，只要鋼板隨后在1100——1300（595℃—化學(xué)成分播報(bào)編輯品種CMnPSSiMo0.251.07-1.620.0350.0350.13-0.450.41-0.64抗拉性能播報(bào)編輯等級(jí)抗拉強(qiáng)度，ksi(MPa)屈服強(qiáng)度，最小，ksi(MPa)伸長(zhǎng)率，%80-100(550-690)50(345)18補(bǔ)充要求播報(bào)編輯除非訂單中規(guī)定，否則補(bǔ)充要求不適用。供需方選用的標(biāo)準(zhǔn)補(bǔ)充要求列于A20/A20M標(biāo)準(zhǔn)中。認(rèn)為適用于本標(biāo)準(zhǔn)的補(bǔ)充要求按標(biāo)題列于下面。新手上路成長(zhǎng)任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問(wèn)內(nèi)容質(zhì)疑在線客服官方貼吧意見(jiàn)反饋投訴建議舉報(bào)不良信息未通過(guò)詞條申訴投訴侵權(quán)信息封禁查詢與解封?2025?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺(tái)?|?京ICP證030173號(hào)?京公網(wǎng)安備11000002000001號(hào)window.PAGE_DATA= 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容器用鋼板由于所制造的容器都要承受不同的壓力與強(qiáng)度。一般常壓為31.4MPa或更高；工作溫度常于-20℃-450℃之間，也有低于- 20℃。根據(jù)容器的工作條件與加工工藝，要求容器用鋼板必須具有良好的冷彎和焊接性能；有良好的塑性和韌性；有高溫短時(shí)強(qiáng)度或長(zhǎng)期強(qiáng)度性能。為了使容器能承受更高的壓力，減輕結(jié)構(gòu)自身重量，容器用鋼板材質(zhì)除用優(yōu)質(zhì)碳素鋼材之外，目前大多采用低合金結(jié)構(gòu)鋼作材質(zhì)。容器板分為壓力容器用碳素鋼和低合金鋼板、多層壓力容器用低合金鋼板等。（1）主要用途壓力容器鋼板系專用板材，主要用于制造石油、化工、氣體分離和貯運(yùn)等的容器或其他類似設(shè)備，如各種塔式容器、熱交換器、貯罐和罐車等。（2）種類、材質(zhì)的人學(xué)成分與力學(xué)性能1）壓力容器用碳素鋼和低合金鋼厚鋼板的化學(xué)成分與力學(xué)性能規(guī)格尺寸與生產(chǎn)單位：鋼板厚度為6-100mm。壓力容器用鋼板由鞍鋼、武鋼、重慶鋼廠、舞陽(yáng)鋼鐵公司、太鋼、上鋼三廠、天津鋼廠和馬鋼等生產(chǎn)。2）多層壓力容器用低合金鋼板的化學(xué)成分與力學(xué)性能鋼板規(guī)格、尺寸及生產(chǎn)單位：厚度為6-8mm（級(jí)差1mm）；寬度和長(zhǎng)度為50mm倍尺的任何尺寸，但寬度最小為600mm，長(zhǎng)度最小為1200mm。主要生產(chǎn)單位是鞍鋼、武鋼、重慶鋼廠、太鋼等等。3）低溫壓力容器用低合金鋼板的化學(xué)成分與力學(xué)性能鋼板規(guī)格、尺寸：低溫壓力容器低合金鋼板厚度從6-50mm。生產(chǎn)單位主要有鞍鋼、武鋼、重慶鋼廠、舞陽(yáng)鋼鐵公司、太鋼、上鋼三廠、天津鋼廠和馬鋼等。12、焊接氣瓶用鋼板(GB6653-86)焊接氣瓶用鋼板的材質(zhì)采用優(yōu)質(zhì)碳素結(jié)構(gòu)鋼和低合金結(jié)構(gòu)鋼。由于焊接氣是在承受一定壓力下使用，所以對(duì)化學(xué)成分含量和力學(xué)性能控制也較嚴(yán)格。焊接氣瓶鋼的牌號(hào)在其后加上“HP”（焊瓶的漢語(yǔ)拼音縮寫）以示區(qū)別。（1）主要用途焊接氣瓶用鋼板主要用于生產(chǎn)氣壓較低的氣瓶，如石油氣瓶等。（2）材質(zhì)的牌號(hào)與化學(xué)成分（3）力學(xué)性能（4）鋼板規(guī)格尺寸焊接氣瓶用鋼板厚度從2.5-12mm。
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