没有GB的。。对照国外标准
计量 实重计量 其他属性 原产地 Jiangsu, China 是否合金 非合金 标准 DIN EN ASTM SAE 生产工艺 erw 材质 St34-2 St37-2 St44-2 St52-3 发货期 46-60天 品牌 OEM 应用 流体管, 锅炉管, 液压管, 煤气管, 输油管 特殊管 壁厚管 厚度
杜邦PA6T材料 HTNFR52G30BL BK337加纤30% 真实性已核验 抗冲 美国杜邦品牌 苏州普纳德塑化有限公司 1年 江苏苏州 00:07 查看详情 ¥29.00元 ≥25公斤 VALOX PBT增强材料 SHF4910 距您较近 注射成型 本色,黑色 东莞市崀峰塑胶原料有限公司 1年 广东东莞 00:14 查看详情 ¥63.00元 ≥10千...
1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes...
Standard:DIN 2394/DIN 2394 /EN 10305-3/EN10305-4;Steel Grade:St34-2/St37-2/St44-2/St52-3/E235/E355;Delivery condition:BK BKW BKS GBK NBK;Material:Carbon Steel;Length:6M as per request;MOQ:1 Ton;Surface:BA/Black phosphated/Galvanizing;Shape:Round;Packing:
Standard:DIN 2394/DIN 2394 /EN 10305-3/EN10305-4;Steel Grade:St34-2/St37-2/St44-2/St52-3/E235/E355;Delivery condition:BK BKW BKS GBK NBK;Material:Carbon Steel;Length:6M as per request;MOQ:1 Ton;Surface:BA/Black phosphated/Galvanizing;Shape:Round;Packing:
Cold finished (hard) BK Tubes do not undergo heat treatment following the final cold forming and,thus, have a rather high resistance to deformation Cold finished (soft) BKW The final heat treatment is followed by cold drawing involving limit...
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry Section Shape Round Standard DIN 2393 Delivery Condition Bk (+C) Bkw (+LC) Bks (+Sr) Gbk (+a) Nbk (+N) Steel Grade St34-2/37-2/44-2/52-3 ...
①导电线芯:用高电导率材料(铜或铝)制保护覆盖层,用伍军官许林格将电报线路埋在地下,六根导线之间彼此用橡胶绝缘后同放的绝缘钢带、钢丝或铜带、铜丝等作为铠甲包绕在护套外(称铠装电缆),铠装层同时起电场屏蔽和防zui早在玻璃压R+W BK2/80/106 /H/42/22 Metallbalg 联轴器 W+S 617014 钻头 heidenhain ...