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Boiler tubes, heat exchanger tubes

Welded pipes

L, LL, KLM finned tubes (finned tubes)

G embedded fin tubes (finned tubes)

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Studded Pipes

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Tube finning machine

Aluminum plates, strips,foils

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Aluminum tubes, profile

Economizer for Boiler

air-cooled heat exchanger (air cooler)

seamless fin tubes with two longitudinal opposite fins

material

standard & specification

 
 
ASTM A333 steel tubes

ASTM A333 / A333M - 11 Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service

This specification covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. The pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.

Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A671 Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures
A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe
E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
E165 Practice for Liquid Penetrant Examination for General Industry
E709 Guide for Magnetic Particle Testing

ASME Boiler and Pressure Vessel Code
ASTM A333 GR.6: Grade 1, Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11

standard material tensile(MPa) yield(MPa) E(%) temperature
| - ? ?
ASTM A333 Grade 1 =380 =205 =35 =25 -50 -45
Grade 3 =450 =240 =30 =20 -150 -100
Grade 4 =415 =240 =30 =16.5 -150 -100
Grade 6 =415 =240 =30 =16.5 -50 -45
Grade 7 =450 =240 =30 =22 -100 -75
Grade 8 =690 =515 =22   -320 -195
Grade 9 =435 =315 =28   -100 -75
Grade 10 =550 =450 =22   -75 -60
Grade 11 =450 =240 =18      

Chemical compositions of ASTM 333 steel grades (%)

standard material
CSiMnPSCrNi 
ASTM A333Grade 1=0.30 0.40-1.06=0.025=0.025   
Grade 3=0.190.18-0.370.31-0.64=0.025=0.025 3.18-3.82 
Grade 4=0.120.18-0.370.50-1.05=0.025=0.0250.44-1.010.47-0.98Cu0.40-0.75, Mo0.04-0.30
Grade 6=0.30=0.100.29-1.06=0.025=0.025   
Grade 7=0.190.13-0.32=0.90=0.025=0.025 2.03-2.57 
Grade 8=0.130.13-0.32=0.90=0.025=0.025 8.40-9.60 
Grade 9=0.20 0.40-1.06=0.025=0.025 1.60-2.24Cu0.75-1.25
Grade 10=0.200.10-0.351.15-1.50=0.03=0.015=0.15=0.25Cu=0.015, Mo=0.50, V=0.12, Al=0.06
Grade 11=0.10=0.35=0.6=0.025=0.025=0.5035.0-37.0Mo=0.50


 
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