άνευ ραφής σωλήνας χάλυβα

Cold Drawn Seamless Steel Tube 45MnMoB For Wire - Line Drill Rods Product information Applicatioan: for wire-line drill rods,core barel tubes,drill rods coupling casing Size range: OD 5-420mm, WT 0.5-50mm Length max12000mm Material: 45MnMoB,10#,20#,45#,4130,4140,16Mn,etc. Chemical composition of 45MnMoB C: 0.41-0.49,Si: 0.17-0.37,Mn: 0.9-1.2,S: 0.04max,P: 0.04max,Mo: 0.2-0.3,B: 0.001-0.005 Tolerance of Outer Diameter and Wall Thickness Standard Production Method Tube Size

SAE J524 Seamless Low-Carbon Steel Tubing Annealed for Bending and Flaring 1. SCOPE This SAE Standard covers cold drawn and annealed seamless low-carbon steel pressure tu bingintended for use ashydraulic lines and in other applications requiring tubing of a quality suitable for flaring and bending. 2. MANUFACTURE The tubing shall be cold drawn to size and after forming shall be annealed in such a manner as to produce a finishedproduct which will meet all requirements of this

Products Description TORICH ASTM A192 Seamless Carbon Steel Boiler Tubes For High Pressure Boilers Standard ASTM A192 Matrial 10# 20# etc Carbon Steel Size OD: 12.7-177.8mm WT: 1-25.4mm Length: according to customer requirement Application For Boilers,Superheaters, Heat-Exchangers, High-pressure Boilers Production Tubes are manufactured by seamless process and both hot finished and cold finished are applicable Heat treatment Hot finished tubes need not be heat treated. Cold

Products Description TORICH GB/T3093 High Pressure Seamless Steel Tubes for Diesel Engine Standard GB/T3093 Material 10A(U20103), 20A(U20203), Q345A(L03451) Size OD: 4-60mm WT: 0.5-8 Length: 1.5-6m Delivery Condition Heat Treatment Test Tensile Test, Hydraulic Test, Eddy Current Test, Cold Heading Test Application Diesel Engine Chemical Requirements Grade C Si Mn P S Cr Ni Cu max 10A 0.07-0.13 0.17-0.37 0.35-0.65 0.030 0.030 0.15 0.30 0.20 20A 0.17-0.23 0.17-0.37 0.35-0.65 0

Products Description TORICH GB/T18248 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder Standard GB/T18248 Material 37Mn, 34Mn2V, 30CrMo, 35CrMo, 34CrMo4, 30CrMnSiA Size OD: 15-800mm WT: 1.6-50 Length: 4-12m Techinique Hot Rolled or Cold Drawn Delivery Condition Hot Rolled Steel Tube: Hot Rolled Cold Drawn Steel Tube: Cold Drawn, Annealed or Normalizing Test Tensile Test, Impact Test, Hydraulic Test, Eddy Current Test, Ultrasonic Testing etc Application Low and Medium Pressure

ASTM A519 AISI4130 AISI4140 Seamless Alloy Steel Tubes Size range: O.D.: 6-350mm W.T.:1-50mm L: according to customer requirement Steel Grade and Chemical Compositions: Steel Grade and Chemical Compositions C Si Mn P≤ S≤ Cr Mo 4130 0.28-0.33 0.15-0.35 0.40-0.60 0.040 0.040 0.80-1.10 0.15-0.25 4140 0.38-0.43 0.15-0.35 0.75-1.00 0.040 0.040 0.80-1.10 0.15-0.25 Mechanical Properties: Mechanical Properties Grade condition Ultimat Yield Elongation Rockwell Strength Strength

Products Description TORICH GB/T3087 Seamless Steel Tube for Low and Medium Pressure Boiler Standard GB/T3087 Material 10#, 20# Size OD: 6-127mm WT: 0.5-12 Length: 4-12.5m Techinique Hot Rolled and Cold Drawn Delivery Condition Hot Rolled or Normalizing Test Flare Test, Bend Test, Hydraulic Test, Macroscopic Test, Nondestructive Test etc Application Low and Medium Pressure Boiler Tensile Requirements Grade Tensile Strength, MPa Yeild Strength, MPa min Elongation, % min Wall

Details of Seamless Alloy Steel Pipe : Material: Alloy Steel Steel Grade: STBA 12 STBA 13 STBA 20 STBA 22 STBA23 STBA 24 STBA 25 STBA 26 Etc Produce Method: Electric Resistant Welding And Seamless Heat Treatment: Annealing, Isothermal Annealing, Full Annealing Etc Standard: JIS G3462 Application: For Boiler And Heat Exchanger Relevant Standard: KS D 3572 ASTM A 161 A209 A213 A199 DIN 17175 BS 3059 JIS G 3462 STBA 12 STBA 13 STBA 20 STBA 22 STBA23 STBA 24 STBA 25 STBA 26 Alloy

ASTM A311 Cold-drawn Mechanical Property Stress-relieved Carbon Steel Bars This specification covers two classes. nine grades. andfour conditions of stress-relieved cold-drawn carbon steel barsproduced to mech anical property requirements. One class.B. iscold drawn with higher than normal (heavy) drafts to providehigher strength levels, and four grades provide improvedmachinability. Materials and Manufacture 1.Melting Practice -The steel shall be made by one ormore of the