ASTM A307是《碳钢外螺纹标准紧固件》标准. A307分3个等级 grade A grade B grade C.ASTM A307的A、B和C级机械性能和硬度要求如下：等级名称 A级 B级 C级 抗拉强度 412 N／mm2 412~699 N／mm2 399~551 N／mm2 伸长率 不低于18 % 不低于18 % 不低于23 硬度 布氏 121~241 121~212 无要...
ASTMA307是《碳钢外螺纹标准紧固件》标准. A307分3个等级 grade A grade B grade C. ASTMA307的A、B和C级机械性能和硬度要求如下: 等级名称 A级 B级 C级 抗拉强度 412 N/mm2 412~699 N/mm2 399~551 N/mm2 伸长率 不低于18 % 不低于18 % 不低于23 % ...
andGrade C Replaced by Specif i cationF1554 Gr.36A Threaded rod is not usually produced to Grade B, but can be when specif i ed bythe purchaser.1.2 This specif i cation does not cover requirements formachine screws, thread cutting/forming screws, mechanicalexpansion anchors...
*As of August 2007, ASTM A307 Grade C has been replaced by specificationF1554 Grade 36.We can still supply grade C, if required. Mechanical Properties GradeTensile, ksiYield, min, ksiElong %, min A60 min--18 B60 - 100--18 C*58 - 803623 ...
astm a307 下载积分: 900 内容提示: Designation: A 307 – 00Standard Specification forCarbon Steel Bolts and Studs, 60 000 PSI Tensile Strength1This standard is issued under the fixed designation A 307; the number immediately following the designation indicates the year oforiginal adoption or, in ...
6.5 Grade C nonheaded anchor bolts shall be tested using machined specimens and shall conform to the tensile properties speci?ed for bars in Speci?cation A 36. Properties are shown in Table 4 for information. In the event of con?ict Speci?cation A 36 shall control. TABLE 1 Chemical ...
There are three grades A, B, and C* which denote tensile strength, configuration, and application. Refer to the Mechanical Properties Chart for the subtle strength differences within each grade. A307 Grades A Headed bolts, threaded rods and bent bolts intended for general applications. B Heavy ...
Galvanized ASTM A307 Grade a Carriage Bolt (ANSI 18.5) A carriage bolt, coach bolt or round head square neck boltis a form of bolt. It is distinguished from other bolts by its head: the shank of the bolt is circular for most of its length, as usual, but the portion...
ASTM A307 Grade a Round Head Carriage Bolt, Find Details and Price about Screws Bolts from ASTM A307 Grade a Round Head Carriage Bolt - Haiyan Lewei Hardware & Tool Co., Ltd.
A307 Grade A 化学元素成分含量(%) 成分CMnPS 最小值--- 最大值0.291.20.040.15 碳当量计算 A307 Grade A 机械性能 抗拉强度 σb ksi断后伸长率或延伸率 δ %硬度 HBW d<3inch≥60Ln=2inch ≥18121~241 d≥3inch≥60≥18≤241 我要采购我能供货我要纠错...