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, ...
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...
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...
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...
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...
材质:35CrMo/30CrMo合金钢、AISI4140、AISI4145合金钢、AISI410/S41000不锈铁、美标Cr-Mo-V 合金钢、AISI1045碳钢、AISI304/S30400 AISI316/S31600 不锈钢;标准及等级:ASTM A193/A193M Gr.B7、B7M、B16、B8、B8A、B8M、B8MA、B6、B8-2、B8M-2,ASMESA-320/SA-320M Gr.L7、L7M、B8、B8A 、B8M、B8MA...
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,...