归类 合金钢 A354 Grade BC 化学元素成分含量(%) 成分C Mn P S B d≤4 inch 最小值 0.3 0.6 - - - 最大值 0.53 - 0.035 0.04 0.003 碳当量计算 A354 Grade BC 机械性能 抗拉强度σb ksi 屈服点σs ksi 断后伸长率或延伸率δ % 断面收缩率ψ % 硬度 HBW ...
ASTM A354 Grade BB Bolts, Studs Alloy Steel, Quenched and Tempered 1/4 thru 2-1/2 2-3/4 thru 4 80,000 75,000 83,000 78,000 105,000 100,000 BC ASTM A354 GradeBC 105,000 95,000 109,000 99,000 125,000 115,000 SAE J429 Grade 7 Bolts, Screws, Medium Carbon Alloy Steel, ...
详细说明:美制ASTM A354六角头螺栓,依据美国材料协会规定使用的材质来生产并淬火。热处理也作了相应规范,对机械性能上有作明确的要求。美制ASTM A354六角头螺栓分为ASTM A354 Grade BC,ASTM A354 Grade BD这个两个等级,ASTM A354 Grade BD多见于压力容器等行业配件上,对硬度和抗拉强度有较为严格的要求。美制ASTM...
Material Grade A193 A320 A354 A2 A4 304 316L Length 2"~20" 20mm~500mm Surface Treatment Black Oxide/Blue/Clear Zinc/ HDG Zinc Grades of Bolt B7 B8 Bc Bd 8.8/9.8/10.9/12.9 Material Type Carbon Steel/Alloy Steel/Stainless Steel Surface Coating PTFE/Geomet/Da...
Medium End Studs (b1=1.5d)-ISO Metric Coarse Thread - Product Grade A 供應商(2) 87 [意大利] UNI 5909 - 1966 雙頭螺栓 bm=1d Double End Studs, bm=1d 供應商(1) 88 [意大利] UNI 5911 - 1966 雙頭螺柱 Medium End Studs -ISO Metric Coarse Thread - Product Grade A 供應商(2) ...
A354BC products are to be marked “BC” A354BD products are to be marked “BD” For grade BD bolts, marking may include 6 radial lines in addition to the other marking requirements. Dimensions Unless otherwise specified, headed bolts shall be hex with dimensions covered under ASME B18.2.1...
其中,SAE J429分为Gr.2、Gr.5、Gr.8等三个等级,而ASTM A354则分为Gr.BC和Gr.BD两个等级。不同等级的螺栓在标识方式上也有所不同。例如,SAE J429等级的螺栓通常通过带有“Grade”或“G”的标记进行区分,如Grade 2、Grade 5等;而ASTM A354等级的螺栓则一般通过将等级标识写在螺栓名称前面的方式进行区分...
A354 Grades BD Grade BD bolts are higher in strength than grade BC, and equal in strength to ASTM F3125 grade A490 bolts. Unlike A490 however, the A354 standard is unrestricted in its configuration. Also, since A490 bolts are for structural use and do not exceed 1-1/2” in diameter,...
46 p. IEC 62985-2019 计算机断层扫描尺寸比剂量估计(SSDE)的计算方法 78 p. IEC 62984-2-2020 高温二次电池.第2部分:安全要求和试验 118 p. IEC 62960-2020 生命周期中的可靠性评估 3 p. ASTM A560 A560M-2012(R2018) 铬镍合金铸件标准规范 关于...
1.3 螺母包含在规范 A563 中。除非另有规定,每个等级紧固件的螺母等级和型式应如下: 紧固件等级和表面光洁度螺母等级和型式 ABC,普通(或涂层厚度不足,需要攻丝螺母) C 、重型六角BC、镀锌(或具有需要攻丝螺母的涂层厚度)DH、重型六角BD、所有表面处理DH、重型六角AN具有指定保证载荷应力的其他等级和类型的螺母(规范...