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<