HPb59-3铅黄铜材料名称:HPb59-3铅黄铜标准:(GB/T5231-2001)化学成分:Cu:57.5-59.5Ni:0.5Fe:0.5Pb:2.0-3.0Zn:余量杂质:1.2力学性能:抗拉强度:(σb/MPa)440-450伸长率:(δ10/%)5.5 【上海冶虎】销售热线
品牌:上海冶虎 规格:齐全 产地:上海冶虎 材质:HPb59-3铅黄铜
锡黄铜HSn90-1产品名称:锡黄铜产品牌号:HSn90-1执行标准:GB/T5231-2012一、主要性能HSn90-1锡黄铜(又称海军黄铜)力学性能和工艺性能及近似于H90普通黄铜,但有高的耐蚀性和减摩性,目前只
品牌:上海同铸 规格:铜板 铜棒 铜管 铜带 铜排 产地:上海 材质:锡黄铜
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