Steel

Manufacturing standards

Top-ranking pipe fitting and flange producer

SN STANDARD CODE STANDARD
1 GB/T12459-2017 STEEL BUTTWELDIND SEAMLESS FITTING
2 GB/T13401-2017 STEEL PLATE BUTTWELDING FITTING
3 GB/T14383-2008 FORGED STEEL SOCKET WELDING FITTING
5 GB/T9112-9131-2010 STEEL PIPE FLANGE AND GASKET
6 GB/T12465 PIPING SLEEVE EXPANSION JOINTS
7 GB/T12414 SLEEVING PIPE JOINTS
8 SH3406-2013 STEEL PIPE FLANGE AND GASKET
9 SH3408-2012 STEEL BUTTWELDING SEAMLESS FITTING
11 SH3410-2012 FORGED STEEL SOCKET WELDING FITTING
12 HGJ10-88 FORGED STEEL SOCKET WELDING FITTING
13 HGJ514-87 CARBON/LOW-ALLOY STEEL BUTTWELDING SEAMLESS PIPE
14 HGJ528-90 STEEL PLATE BUTTWELDING FITTING
15 HGJ529-90 FORGED STEEL SOCKET WELDING, THREADED & BUTTWELDING OUTLET
16 HG20592-20635-2009 STEEL PIPE FLANGE, GASKET & FASTENER
17 GD87-1101 TYPICAL DESIGN MANUAL OF PIPE PARTS FOR STEAM POWER PLANT
18 DL/T515-93 BEND FOR POWER PLANT
19 SY/T0510-10 STEEL BUTTWELDIND FITTING
20 SY/T5257-91 STEEL BEND
21 ASME B16.9 FACTORY-MADE WROUGHT BUTTWELDING FITTING
22 ASME B16.11 FORGED FITTING SOCKET WELDING & THREADED
23 ASME B16.28 WROUGHT STEEL BUTTWELDING SR & RETURNS ELBOW
24 ASME B16.47 LARGE DIAMETER STEEL FLANGES
25 ASME B16.48 STEEL LINE BLANKS
26 ASME B16.5 PIPE FLANGE AND FLANGED FITTING
27 MSS SP-43 WROUGHT STAINLESS STEEL BUTTWELDING FITTING
28 MSS SP-79 SOCKET WELDING REDUCER INSERT
29 MSS SP-83 SOCKET WELDING AND THREADED UNION
30 MSS SP-95 SWAGED NIPPLE AND BULL PLUG
31 MSS SP-97 INTEGRALLY REINFORCED FORGED BRANCH OUTLET FITTING
32 JIS B2311 UNIVERSAL STEEL BUTTWELDING FITTING
33 JIS B2312 STEEL BUTTWELDING FITTING
34 JIS B2313 STEEL PLATE BUTTWELDING FITTING
35 JIS B2316 STEEL SOCKET WELDING FITTING
36 DIN 2605 STEEL BUTTWELDING FITTING, ELBOW & BEND
37 DIN 2615 STEEL BUTTWELDING FITTING, TEE
38 DIN 2616 STEEL BUTTWELDING FITTING, REDUCER
39 DIN 2617 STEEL BUTTWELDING FITTING, CAP
40 IS03419-1981 NON-ALLOY & ALLOY STEEL BUTTWELDING FITTING
41 IS05251-1981 STAINLESS STEEL BUTTWELDING FITTING