This standard specifies the product classification, technical requirements, inspection rules, marking, packaging, transportation and storage of carbon steel elbows, reducers and tees. This standard applies to the joints that are butt-welded to the pipeline in the ship piping system. GB/T 10752-1995 Marine steel pipe butt-welded joints GB/T10752-1995 standard download decompression password: www.bzxz.net

ICS 47.020.30
National Standard of the People's Republic of China
GB/T 10752-1995
Marine steel butt-welding fittings1995-11-20Promulgated
State Administration of Technical Supervision
1996-08-01Implementation
W.National Standard of the People's Republic of China
Marine steel butt-welding fittings
Marine steel buttweldhng fittings?This standard adopts ISO3419-1981 for butt-welding fittings of steel and alloy steel. 1 Main contents and scope of application
CB/T 10752--1995
C 1P
This standard specifies the product classification, technical requirements, inspection rules and marking, packaging, transportation and storage of carbon steel elbows, reducers and three-way joints (hereinafter referred to as pipe joints).
This standard is applicable to the joints that are connected to the pipeline in the corresponding pipe system. 2 Reference standards
GB5312 Non-reinforced steel pipe for ship use
CB＇3075 Temporary non-reinforced steel pipe series
3 Product classification
3.1 The types of pipe joints are specified as follows:
ES type - short bending radius elbow
EL type - long bending radius elbow
RC type - concentric reducer+
RE type - eccentric reducer;
TS type - intermediate diameter tee joint!
TR type—reducing tee joint.
3. 2 The basic parameters of pipe joints are shown in Table 1. Table 1
Nominal diameter PN
Jiaoquwei
50~300
90,180
15-300
45*.90*.180*
20×15-300×150
3.3 Basic types, specifications and dimensions of pipe joints 3.3.1 The basic types, specifications and dimensions of ES integral pipe joints are shown in Figure 1 and Table 2. The state approved TS on November 20, 1995 according to technical supervision. 15×15×15~
300X300X300
20X20×15~
300300150
1996-08-01 implementation
W. Nominal diameter
First wall original length
GB/T 10752—1995
Bending radius
Distance between two ends
3. 3. 2 The basic types, specifications and dimensions of EL type pipe joints shall be as shown in Figure 2 and Table 3. Commercial
W. Nominal diameter
Wall thickness
GB/T10752—1995
Bending radius
Distance between ends
W. Nominal diameter
Please specify
GE/T10752—1995
Continued Table 3
Distance between ends
3. 3. 3RC type, RE The type, specification and size of the replacement floor head shall be in accordance with Figure 3 and Table 4, RC
R>DL4D,
W.8
Nominal wine certificate
GB/T10752—1995
Pipe wall friction
Nominal commonwww.bzxz.net
GB/T10752—1995
Continued Table 4
Pipe wall thickness
WN
Nominal common diameter
GB/T10752—1995
Continued Table 4
General wall reduction
GB/T 10752—1995
3.3.4 The basic type, specification and dimensions of TS and TR pipe joints shall be in accordance with Figure 4 and Table 5. TS#
Nominal diameter
TS type
Zhi Wangxiang
W. Public Tongyan
TS type TR type
GB/T10752—1995
Continued Table 5
Pipe wall friction
Public diameter
TS type TRS
GB/T10752-1995
Continued Table 5
Warning wall thickness| |tt||W. Nominal diameter
3.3.5 Marking example
CB/T10752—1995
Continued Table 5
Ci Bi Mo
Nominal diameter is 65mm, outer diameter is 76rim, wall thickness is 4.5mm, 90* long bending radius elbow: pipe joint EL76×4.5×90°GB/T 10752-1995 Heavy
Eccentric reducer with nominal diameter of 125mm×100mm, outer diameter of 140mm×114mm, and wall thickness of 7mm: Pipe connector RE140×114×7GB/T10752-1995 Nominal diameter of 50mm×50mm×32mm, outer diameter of 60mm×60mm×42mm, and wall thickness of 6mm Internal tee reducer 11
W.
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