A193 B8CT12 外六角螺栓
A193 B16 HEX HEAD SCREWS
MATERIALS-STUDBOLTS ASTM A193 B16
ASTM A193 specification covers alloy steel and stainless steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.Several grades are covered, including ferritic steels and austenitic stainless steels designated B5, B8, and so forth. Selection will depend upon design, service conditions, mechanical properties, and high temperature characteristics.Material according to ASTM A193 B7 is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.Below is a summary of a few of the common grades.
ASTM A193, Grade B16- a heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service.
昆山东螺五金制品有限公司（原昆山中螺五金制品有限公司）是生产销售工业紧固件，机械零部件以及工业配电产品的企业。坐落于江苏省昆山市经济开发区。产品品种达三万多种，包括DIN，ANSI，BS，ISO，JIS，GB，UNI等标准、及非标产品：材质涉及：碳钢，合金钢，不锈钢，铜，尼龙等：产品种类包括各种螺钉，螺栓，螺母，华司，销类等。
公司拥有先进的生产设备：多工位冷镦机，一模二冲冷镦机，CNC加工中心及大吨位冲压设备，多年经验的设计生产人员，具有强大的新产品开发能力。
◆2005年开始营运。
◆公制紧固件和英制紧固件有大量库存，
◆我们的材质包括：碳钢，合金钢，不锈钢，黄铜和尼龙。
◆非标定做产品交货迅速。
◆享有盛誉的质量和可靠性。
◆不断增加产品范围
