Available Specification for Steel Pipe and Pipes Development
American Petroleum Institute
5L Line Pipe
5CT Casing and Tubing
American Society for Testing Material
A53 Pipe, Steel, Black and Hot-Dipped, Zinc-Coated,
Welded and Seamless (Type E- Electric-resistance
welded, Grade A and B)
A252 Welded and Seamless Steel Pipe Piles
A500 Cold-Formed Welded and Seamless Carbon Steel
Structural Tubing in Rounds and Shapes
British Steel Corporation
1387-1967 Welded Steel Pipes for Low Pressure Use
Chinese National Standards
2056 G3030 Welded Steel Pipes for Low Pressure Use
4178 G3098 Welded Steel Pipes for High Pressure Use
4435 G3102 Carbon Steel Pipes for General Structures
4437 G3103 Carbon Steel Pipes for Machine Structures
4626 G3111 Carbon Steel Pipes for Pressure Service
7141 G3134 Carbon Steel Square Pipes for General Structures
2606 C4060 Rigid Steel Conduit
6445 G3127 Carbon Steel Pipes for Ordinary Piping
Japanese Industrial Standards
G3444 Carbon Steel Pipes for General Structures
G3466 Square Pipes for General Structures
G3452 Carbon Steel Pipes for Ordinary Piping
G3454 Carbon Steel Pipes for Pressure Service
1. Product Development
API 5CT oil casing (20 ") development
API 5L PSL2 X52 very low temperature resistant steel (8 ") development
2. Product improvements
Pipe (4 "to 10") end surface modified plastic sleeves to improve
Pipe 20 "diameter size accuracy improvement
3. Process improvement study
The 3rd pipe car double-rust coating technology to build
4. The device technology to build
The 2nd pipe welding car high frequency transistors (Coil induction) technology to build
The 2nd pipe vehicle driveline and shave LEF institutional strengthening update
A. Product Development
Cooperate with the international market demand, the development of export API PE coated steel (4 "/ 6" / 8 ") and the well casing API-5CTJ55 (4" / 5 "/ 8" / 10 ").
B. Process improvement study
Pipe # 2 and # 3 car saw table programmable device (DDS) update ─ saw pipe length precision, improve yield.
Pipe # 3 car leveling machine refurbishment and installation position adjustment ─ improve the flatness of the strip before welding, improve weld quality.
Rustproof steel process control equipment installation and adjustment ─ enhance the quality and appearance of rust-proof steel.
C. equipment technology to build
Steel crane big wheel bearings replaced, passive wheel design for the eccentric shaft ─ reduce maintenance time and crane walking more smoothly.
Pipe # 2 car scraper ring knife ─ improved to reduce the frequency of blade replacement and reduce heavy steel grinding.
A. Product Development
Development of API-5L - 4 "and 6" of PE-coated steel ─ develop export markets.
B. Process improvement study
UT equipment to improve steel pipe weld quality ─ enhance detection capabilities.
Pipe cutting machine winding shaft support arm improved ─ lifting steel cutting board edge quality.
Straightness 5CT steel pipe straightening straightening machine to build a new steel output 5CT ─ enhance yield.
Pipe # 2 car into the feeder ─ to increase production and improve yields.
C. equipment technology to build
Jan 10 tons crane owners day speed 6M / min up to 8M / min ─ The cargo ship to shorten time and improve efficiency.
Pipe # 3 car 12 "FP-T roller edge cracking regeneration ─ reduce the cost of newly purchased rollers.
EMT pipe (the pipe) 50 * 50 * 1.5t, 2.0t try to make complete.
In line with market demand, have developed strength structural tube, namely SM490YA 5 "~ 8", RU-490A 10 "~ 16".
R & D 10 "x 15.09mm thick high-strength structural tube.
Completion of high-speed rail with thick high-strength structural tube, namely ASTM 8 "x 12.7mm, JIS 10" and 12. "
Large structural tube: with the high-speed rail with a thick high-strength structural demand, has developed 16 "x 16mm large structural tube.
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Mar 06, 2015
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iron pipe,DN 400 Ductile iron pipes Delivery Detail :During 15-30 days after the signing of the contract.
stainless steel pipe,Used for low pressure liquid delivery such as water, gas, and oil.Material:304,304L,316,316L.
API seamless pipe for water,gas,fluid,ALL THE SEAMLESS TUBE ARE APPLIED TO API 5L ,ASTM A106 STANDARD,90%PRODUCTS ARE EXPORTED OVERSEAS SUCH AS USA ,RUSSIA ,INDIN ,ECT.
Available Specification for Steel Pipe Product and Steel Pipes Development.
Large diameter thick-walled straight seam steel pipe The main process of large-diameter thick-wall straight seam steel pipe is plate-milling-pre-bending forming-pre-welding-internal welding-external welding-ultrasonic inspection.The submerg.
Seamless steel pipe Standard:ASTM A106/ASTM A53/DIN/API 5L/API 5CT/X45/X52/X60.Seamless steel pipe Application:Natural gas, petroleum, chemical industry, electric power, metallurgy thermodynamic fields, water supply engineering, steam heatin.