Q235的含碳量是多少呢，和20号钢焊接可以吗 普通碳素钢和20号钢可以焊接吗
Q235\u7684\u542b\u78b3\u91cf\u662f\u591a\u5c11\u5462\uff0c\u548c20\u53f7\u94a2\u710a\u63a5\u53ef\u4ee5\u5417q235\u662f\u666e\u901a\u78b3\u7d20\u94a2\uff0c20\u94a2\u5e02\u4f18\u8d28\u78b3\u7d20\u94a2\uff0c\u4e24\u8005\u542b\u78b3\u91cf\u90fd\u5c0f\u4e8e0.4% \u56e0\u6b64\u710a\u63a5\u6027\u80fd\u826f\u597d\uff0c\u53ef\u4ee5\u710a\u63a5 \u9009\u7528J422 \u6216J507\u90fd\u53ef\u4ee5 \u4e0d\u9700\u8981\u91c7\u7528\u7279\u6b8a\u710a\u63a5\u5de5\u827a
\u53ef\u4ee5\uff0c\u5b83\u4eec\u90fd\u5c5e\u4e8e\u4f4e\u78b3\u94a2\uff0c\u5176\u710a\u63a5\u6027\u80fd\u4f18\u826f\uff0c\u9002\u7528\u5404\u79cd\u5e38\u7528\u7684\u710a\u63a5\u65b9\u6cd5\u3002
Q235就是一般的冷轧板，含碳量应该和20钢接近，它们一起的焊接性能应该是优良的Q235是低糖钢，20号是中碳钢，可以焊接，但效果焊接性不是很好
Q235含碳量为0.17%-0.22%， 可以和20#钢焊接。
0.2%，可以焊
绛旓細q235鏄櫘閫氱⒊绱犻挗锛20閽㈠競浼樿川纰崇礌閽紝涓よ呭惈纰抽噺閮藉皬浜0.4% 鍥犳鐒婃帴鎬ц兘鑹ソ锛屽彲浠ョ剨鎺 閫夌敤J422 鎴朖507閮藉彲浠 涓嶉渶瑕侀噰鐢ㄧ壒娈婄剨鎺ュ伐鑹
绛旓細1銆Q235A绾у惈 C 鈮0.22% Mn鈮1.4% Si 鈮0.35% S 鈮0.050 P 鈮0.045 2銆丵235B绾у惈 C鈮0.20% Mn鈮1.4% Si 鈮0.35% S 鈮0.045 P 鈮0.045锛堢粡闇鏂瑰悓鎰锛岀⒊鍚噺鍙笉澶т簬0.22%锛3銆丵235C绾у惈 C 鈮0.17% Mn鈮1.4% Si 鈮0.35% S 鈮0.040 P 鈮0.040 4銆丵235D...
绛旓細Q235涓嶆槸楂樼⒊閽Q235鐨勫惈纰抽噺鍦0.12%鑷0.22%涔嬮棿锛屽睘浜庝綆纰抽挗锛堜綆纰抽挗鐨凜%灏忎簬0.25%锛夈傛墿灞曢槄璇伙紝鎴戝浗閽㈠彿琛ㄧず鏂规硶鐨勫垎绫昏鏄:1锛庣⒊绱犵粨鏋勯挗 鈶犵敱Q+鏁板瓧+璐ㄩ噺绛夌骇绗﹀彿+鑴辨哀鏂规硶绗﹀彿缁勬垚銆傚畠鐨勯挗鍙峰啝浠モ淨鈥濓紝浠ｈ〃閽㈡潗鐨勫眻鏈嶇偣锛屽悗闈㈢殑鏁板瓧琛ㄧず灞堟湇鐐规暟鍊硷紝鍗曚綅鏄疢Pa渚嬪Q235琛ㄧず灞堟湇鐐癸紙蟽s锛...
绛旓細Q235灏辨槸涓鑸殑鍐疯涧鏉匡紝鍚⒊閲忓簲璇ュ拰20閽㈡帴杩锛屽畠浠竴璧风殑鐒婃帴鎬ц兘搴旇鏄紭鑹殑
绛旓細Q235B绾у惈 C鈮0.20% Mn鈮1.4% Si 鈮0.35% S 鈮0.045 P 鈮0.045锛堢粡闇鏂瑰悓鎰锛岀⒊鍚噺鍙笉澶т簬0.22%锛塓235C绾у惈 C 鈮0.17% Mn鈮1.4% Si 鈮0.35% S 鈮0.040 P 鈮0.040 Q235D绾у惈 C 鈮0.17% Mn鈮1.4% Si 鈮0.35% S 鈮0.035 P 鈮0.035 Q235閽㈡潗鍒ОA3鏉 ...
绛旓細鏄殑锛宷235鏄竴绉嶄綆纰抽挗銆備綆纰抽挗鏄寚鍚⒊閲忚緝浣庣殑閽㈡潗锛宷235鐨勫惈纰抽噺涓≤0.2%锛屾槸鍏稿瀷鐨勪綆纰抽挗銆傜敱浜庡叾鍚⒊閲忚緝浣庯紝鍏锋湁鑹ソ鐨勫鎬у拰闊фэ紝甯哥敤浜庡埗閫犲悇绉嶇粨鏋勯浂浠跺拰鐒婃帴浠躲俼235閽㈡潗骞挎硾搴旂敤浜庡缓绛戙佹満姊般佹苯杞︺侀犺埞銆佽埅绌鸿埅澶╃瓑棰嗗煙銆備笌q235绫讳技鐨勯挗鏉愯繕鏈塹345銆乹390绛夛紝瀹冧滑涔熸槸浣庣⒊閽傝繖浜...
绛旓細閾佷笌閽㈢殑鍖哄垎鏄細鍐呴儴缁勭粐涓⒊鐨勫惈閲忓皬浜2%鐨勪负閽紝鍏朵綑涓洪搧銆傞挗鐨勫鎬с侀煣鎬ц緝濂斤紱閾佸彂鑴嗭紝浣嗘槸鍚告尟濂姐Q235鐨勫惈纰抽噺绾︿负0.2%宸﹀彸锛屾槸纰崇礌缁撴瀯閽紝澶氱敤浜庢櫘閫氱殑閽㈢粨鏋勩
绛旓細涓銆佸眻鏈嶆瀬闄愪笉涓鏍凤細Q235鐨灞堟湇鏋侀檺涓235MPa锛決275鐨勫眻鏈嶆瀬闄愪负275MPa銆傞兘鏄櫘閫氱⒊绱犵粨鏋勯挗锛孮浠ｈ〃鐨勬槸杩欑鏉愯川鐨勫眻鏈嶆瀬闄愶紝鍚庨潰鐨勬暟瀛楋紝灏辨槸鎸囪繖绉嶆潗璐ㄧ殑灞堟湇鍊笺備簩銆佸惈纰抽噺鍜屾姉鎷夊己搴︿笉涓鏍凤細Q235鍚⒊閲0.14-0.22%锛屾姉鎷夊己搴375-500锛涖Q275鍚⒊閲忥紲0.37%锛屾姉鎷夊己搴410-560銆俀275鐨勫惈纰抽噺...
绛旓細Q235鍒咥銆丅銆丆銆丏鍥涚骇(GB700-88)Q235A绾у惈C0.14~0.22% Mn0.30~0.65Si鈮0.30S鈮0.050P鈮0.045 Q235B绾у惈C0.12~0.20% Mn0.30~0.670Si鈮0.30S鈮0.045P鈮0.045 Q235C绾у惈C鈮0.18% Mn0.35~0.80Si鈮0.30S鈮0.040P鈮0.040 Q235D绾у惈C鈮0.17% Mn0.35~0.80Si鈮0....
绛旓細q235 鏄綆纰抽挗鍚⒊閲忓皬浜0.25%锛屾煡琛Q235鍚⒊閲忎负0.17%鍒0.22% 鏄熸湡鍏鐨勪笉瀵瑰晩锛
