601 GB/T 9074.8-1988 十字槽小盘头螺钉和弹簧垫圈及平垫圈组合件 Cross recessed small pan head screw,single coil spring lock washer and plain washer assemblies 602 GB/T 9074.9-1988 十字槽沉头螺钉和锥形锁紧垫圈组合件 Cross recessed countersunk head screw and countersunk serrated external toothed lock washer assemblies 603 GB/T 9074.10-1988 十字槽半沉头螺钉和锥形锁紧垫圈组合件 Cross recessed raised countersunk head screw and countersunk external toothed lock washer assemblies 604 GB/T 9074.11-1988 十字槽凹穴六角头螺栓和平垫圈组合件 Cross recessed hexagon bolt with indentation and plain washer assemblies 605 GB/T 9074.12-1988 十字槽凹穴六角头螺栓和弹簧垫圈组合件 Cross recessed hexagon bolt with indentation and single coil spring lock washer assemblies 606 GB/T 9074.13-1988 十字槽凹穴六角头螺栓, 弹簧垫圈和平垫圈组合件 Cross recessed hexagon bolt with indentation, single coil lock washer and plain washer assemblies 607 GB/T 9074.14-1988 六角头螺栓和平垫圈组合件 Hexagon head bolt and plain washer assemblies 608 GB/T 9074.15-1988 六角头螺栓和弹簧垫圈组合件 Hexagon head bolt and single coil spring lock washer assemblies 609 GB/T 9074.16-1988 六角头螺栓和外锯齿锁紧垫圈组合件 Hexagon head bolt and serrated lock washer external teeth assemblies 610 GB/T 9074.17-1988 六角头螺栓, 弹簧垫圈和平垫圈组合件 Hexagon head bolt, single coil spring lock washer and plain washer assemblies 611 GB/T 9074.18-1988 十字槽盘头自攻螺钉和平垫圈组合件 Cross recessed pan head tapping screw and plain washer assemblies 612 GB/T 9074.19-1988 十字槽盘头自攻螺钉和大垫圈组合件 Cross recessed pan head tapping screw and large plain washer assemblies 613 GB/T 9074.20-1988 十字槽凹穴六角头自攻螺钉和平垫圈组合件 Cross recessed hexagon head tapping sorew with indentation and plain washer assemblies 614 GB/T 9074.21-1988 十字槽凹穴六角头自攻螺钉和大垫圈组合件 Cross recessed hexagon head tapping screw with indentation and large plain washer assemblies 615 GB/T 9074.22-1988 六角头自攻螺钉和平垫圈组合件 Hexagon head tapping screw and plain washer assemblies 616 GB/T 9074.23-1988 六角头自攻螺钉和大垫圈组合件 Hexagon head tapping screw and big washer assemblies 617 GB/T 9074.24-1988 组合件用平垫圈 Plain washer for assembly 618 GB/T 9074.25-1988 组合件用大垫圈 Big plain washer for assembly 619 GB/T 9074.26-1988 组合件用弹簧垫圈 Single coil spring lock washer for assembly 620 GB/T 9074.27-1988 组合件用外锯齿锁紧垫圈 Serrated lock washer external teeth for assembly 621 GB/T 9074.28-1988 组合件用锥形锁紧垫圈 Countersunk external toothed lock washer for assembly 622 GB/T 9074.29-1988 自攻螺钉组合件用平垫圈 Samll wasner for tapping screw assembly 623 GB/T 9074.30-1988 自攻螺钉组合件用大垫圈 Big washer for tapping screw assembly 624 GB/T 9112-1988 钢制管法兰类型 Types for steel pipe flanges 625 GB/T 9113.1-1988 PN1.6MPa(16bar) 平面整体钢制管法兰 Integral steel pipe flanges with flat face for PN1.6 MPa(16 bar) 626 GB/T 9113.2-1988 PN 2.0MPa(20bar)平面整体钢制管法兰 Integral steel pipe flanges with flat face for PN 2.0 MPa(20bar) 627 GB/T 9113.3-1988 PN 1.6MPa(16 bar)凸面整体钢制管法兰 Integral steel pipe flanges with raised face for PN1.6 MPa(16 bar) 628 GB/T 9113.4-1988 PN 2.5MPa(25 bar)凸面整体钢制管法兰 Integral steel pipe flanges with raised face for PN2.5 MPa(25 bar) 629 GB/T 9113.5-1988 PN 4.0MPa(40 bar)凸面整体钢制管法兰 Integral steel pipe flanges with raised face for PN4.0 MPa(40 bar) 630 GB/T 9113.6-1988 PN 2.0MPa(20 bar)凸面整体钢制管法兰 Integral steel pipe flanges with raised face for PN2.0 MPa (20 bar) 631 GB/T 9113.7-1988 PN 5.0MPa(50 bar) 凸面整体钢制管法兰 Integral steel pipe flanges with raised face for PN5.0 MPa (50 bar) 632 GB/T 9113.8-1988 PN 10.0MPa(100 bar) 凸面整体钢制管法兰 Integral steel pipe flanges with raised face for PN10.0MPa(100 bar) 633 GB/T 9113.9-1988 PN 1.6MPa(16 bar) 凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 1.6MPa (16 bar) 634 GB/T 9113.10-1988 PN 2.5MPa(25 bar) 凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 2.5MPa (25 bar) 635 GB/T 9113.11-1988 PN 4.0MPa(40 bar) 凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 4.0MPa (40 bar) 636 GB/T 9113.12-1988 PN 5.0MPa(50 bar) 凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 5.0MPa (50 bar) 637 GB/T 9113.13-1988 PN 10.0MPa(100 bar) 凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 10.0MPa (100 bar) 638 GB/T 9113.14-1988 PN 15.0MPa(150 bar)凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 15.0 MPa (150 bar) 639 GB/T 9113.15-1988 PN 25.0MPa(250 bar) 凹凸面整体钢制管法兰 Integral steel pipe flanges with male and female face for PN 25.0MPa (250 bar) 640 GB/T 9113.16-1988 PN 1.6MPa(16 bar) 榫槽面整体钢制管法兰 Integral steel pipe flanges with tongue and groove face for PN1.6MPa(16 bar) 641 GB/T 9113.17-1988 PN 2.5MPa(25 bar) 榫槽面整体钢制管法兰 Integral steel pipe flanges with tongue and groove face for PN 2.5 MPa (25 bar) 642 GB/T 9113.18-1988 PN 4.0MPa(40 bar) 榫槽面整体钢制管法兰 Integral steel pipe flanges with tongue and groove face for PN4.0MPa(40 bar) 643 GB/T 9113.19-1988 PN 5.0MPa(50 bar) 榫槽面整体钢制管法兰 Integral steel pipe flanges with tongue and groove face for PN 5.0 MPa (50 bar) 644 GB/T 9113.20-1988 PN 10.0MPa(100 bar) 榫槽面整体钢制管法兰 Integral steel pipe flanges with tongue and groove face for PN 10.0MPa (100 bar) 645 GB/T 9113.21-1988 PN 2.0MPa(20 bar) 环连接面< | |