| SN | STANDARD CODE | STANDARD |
|---|---|---|
| 1 | GB/T12459-2005 | STEEL BUTTWELDIND SEAMLESS FITTING |
| 2 | GB/T13401-2005 | STEEL PLATE BUTTWELDING FITTING |
| 3 | GB/T14383-93 | FORGED STEEL SOCKET WELDING FITTING |
| 4 | GB/T14626-93 | FORGED STEEL THREADED FITTING |
| 5 | GB/T9112-9131-2000 | STEEL PIPE FLANGE AND GASKET |
| 6 | GB/T12465 | PIPING SLEEVE EXPANSION JOINTS |
| 7 | GB/T12414 | SLEEVING PIPE JOINTS |
| 8 | SH3406-96 | STEEL PIPE FLANGE AND GASKET |
| 9 | SH3408-96 | STEEL BUTTWELDING SEAMLESS FITTING |
| 10 | SH3409-96 | STEEL PLATE BUTTWELDING FITTING |
| 11 | SH3410-96 | 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 | HG20592-20635-97 | 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/T0510-98 | 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 |
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