CuZn38Pb2铜合金有优良的铸造性能和较高的力学性能和耐磨性,可切削性能好,可以焊接,耐蚀性较好,有应力腐蚀开裂倾向。CuZn38Pb2铜合金用于一般结构件和耐蚀零件,如法兰,阀座,趾甲、
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铍铜又称铍青铜,是铜合金中的“弹性之王”,经固溶时效热处理后,可获得高强度、高导电性能的 产品。高强度铸造铍青铜合金,经热处理后不仅具有高强度,很高的硬度而且具有耐
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Fatal error: Uncaught GuzzleHttp\Exception\ConnectException: cURL error 7: (see http://curl.haxx.se/libcurl/c/libcurl-errors.html) in /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:185
Stack trace:
#0 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(149): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp\Handler\EasyHandle), Array)
#1 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(102): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#2 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(43): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#3 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php(28): GuzzleHttp\Handler\CurlHandler->__invoke(Object(GuzzleHttp\Psr7\Request), Array)
#4 /ww in /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php on line 185