How much do you know about pipe fittings

Jun 16 08:49 2015 tracychan Print This Article

Detailed list all kinds of pipe fittings category, standards, materials and so on.

Pipe fittings standards and materials list1.Seamless steel pipe1.1 carbon steel pipe Common Standard: GB8163 87 GB3087 82 GB9948 88   Steel grade: 10 20  Corresponding ASTM material: A53-A A106-A A53-B A106-B  

1.2 low alloy steel pipe Common Standard: GB8163 87  Steel grade:16Mn  Corresponding ASTM material: A333-6  

1.3 alloy steel pipeCommon Standard: GB5310 85 GB9948 88  Steel grade: 15CrMo 12Cr1MoV 1Cr5Mo  Corresponding ASTM material: A335-P12 A335-P11 A335-P5  

1.4 stainless steel pipeCommon Standard: GB/T14976 94  Steel grade: 0Cr19Ni9 00Cr19Ni10 0Cr17Ni12Mo2 00Cr17Ni14Mo2  Corresponding ASTM material: A312-TP304 A312-TP304L A312-TP316 A312-TP316L  

2. Welded steel pipe 2.1 Carbon LSAW steel pipe Common Standard: GB/T3091-93 GB/T3092-93 GB/T13793-92 GB/T14980-94  Steel grade: Q235A/B  Corresponding ASTM material: API 5L B   

2.2 carbon SSAW steel pipeCommon Standard: SY/T5037 92 SY/T5038 92  Steel grade: Q235A/B  Corresponding ASTM material: API 5L B  

Common Standard: GB9711 88  Steel grade: S240 S290 S315 Corresponding ASTM material: API5L B API 5L X42 API 5L X46   2.3 stainless straight seam steel pipeCommon Standard: GB12771 91 HG20537.3/4 92  Steel grade: 0Cr19Ni9 00Cr19Ni10 0Cr17Ni12Mo2 00Cr17Ni14Mo2  Corresponding ASTM material: A312-TP304 A312-TP304L A312-TP316 A312-TP316L  

Size selection standardSeamless steel pipe and welded steel pipe: HG20553 93SH3405 96  Stainless steel pipe: ANSI B36.10 ANSI B36.19

3 Butt welding pipe fittings3.1 seamless butt welding pipe fittingsCommon Standard: GB12459 90 HGJ514 87 SH3408 96  Steel grade: 20 16Mn 15CrMo 12Cr1MoV 1Cr5Mo 0Cr19Ni9 00Cr19Ni10 0Cr17Ni12Mo2 00Cr17Ni14Mo2Corresponding American standard: ANSI B16.9 ANSI B16.28 MSS SP-43  Corresponding ASTM materials: A234-WPB A420-WPL6 A234-WP12 A234-WP11 A234-WP5 A403-WP304 A403-WP304L A403-WP316 A403-WP316L (including elbow,Guest Posting tee joint, cross, reducing pipe, pipe cap, and stub ends)          

3.2 seam butt welding pipe fittingsCommon Standard: GB/T13401 92 HGJ528 90 SH3409 96  Steel grade: Q235A 20g 16MnR 0Cr19Ni9 00Cr19Ni10 0Cr17Ni12Mo2 00Cr17Ni14Mo2  Corresponding American standard: ANSI B16.9 ANSI B16.28  Corresponding ASTM materials: A234-WPB A420-WPL6 A403-WP304 A403-WP304L A403-WP316 A403-WP316L  Including (elbow, tee, cross, reducing pipe and pipe cap) 

4 Forged fittings4.1 Socket-welded fittings (including elbow, tee, cross pipe joint, movable joint, weld o-let and pipe cap)Common Standard: GB/T14383 93 HGJ10 88 Steel grade: 20 16Mn Corresponding American standard: ANSI B16.11 MSS SP-83 Corresponding ASTM materials: A105 A350-LF2 

4.2  threaded fittings (including elbow, tee, cross pipe joint, movable joint, weld o-let, pipe cap, pipe plug and inlet and outlet connector)Common Standard: GB/T14626 93 HGJ529 90  20 16Mn 15CrMo Steel grade: 12Cr1MoV 1Cr5Mo 0Cr19Ni9 00Cr19Ni10 0Cr17Ni12Mo2 00Cr17Ni14Mo2  Corresponding American standard: ANSI B16.11 MSS SP-83 MSS SP-97  Corresponding ASTM materials: A105 A350-LF2 A182-F12  A182-F11 A182-F5 A182-F304 A182-F304L A182-F316 A182-F316L       5 Flange5.1 welding plat flangeCommon Standard: GB9119 88 Steel grade: HG20593-97 JB/T81-94  20 16Mn 15CrMo 12Cr1MoV 1Cr5Mo 0Cr19Ni9 00Cr19Ni10 Corresponding American standard: ANSI B16.5 ANSI B16.47 API605 MSS SP-44  Corresponding ASTM materials: A105 A350-LF2 A182-F12 A182-F11 A182-F5 A182-F304 A182-F304L 

5.2 Slip-on neck flangeCommon Standard: GB9116 88 Corresponding American standard: SH3406 96Corresponding ASTM materials: HG20594 97 HG20616 97  

5.3 Slip-on neck butt welding flangeCommon Standard: GB9115 88 Corresponding American standard: SH3406 96 Corresponding ASTM materials: HG20595 97 HG20617 97 JB/T82 94.

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