MECHANICAL TUBE - JFEスチール株式会社

1 MECHANICAL TUBE1 !"# $ %& ' ( " ' & !" #$%%&' ( )!" #$%%*' +++ (, +++ (,)!" #$%-&' )!" #$%./' )!" #$%.$' ) &*0 &*$2356791113151721252627282932353741435 16364 Contents2 !" # " $ !" % !" & !" !" & !" & Enhancing Product Potential for both Motor Vehicles and Machinery in the 21st Products manufactured under strict quality control1 Pleasing surface finish2 ! High dimensional accuracy34 Stable MECHANICAL properties4 Wide product and size availability5 PPLICATIONSA5 Applications of Automotive TubesSuspensionmemberStabilizerShockabso rberSeatframeSteeringhangerbeamSteerings haftPowersteeringStabilizerSuspensionmem berDriveshaftDoorimpactbeamPropellershaf tRearaxlehousingShockabsorberPowersteeri nglowerarmPowersteering6 Steel pipes for structural usePistonpinsCylindersPinsandbushesHydra uliccylinderScubadivingtanks78 !

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4 " #$%&'( )$ * ' )+) , #+ $* ' + (( ) $ ' )- * #(. , )- +++ 5 / #0 1 2 1 Cold Drawing Mill ! " # $ % 3/ # 4 % 1 & '( ) % & '( ) " * 19 Mandrel millPlug mill20 Drawing BenchElectric Induction Welderuality AssuranceQ21 List of JFE Devices and Comparison of Capabilities !" # $ % &' & ( ) # $# $ ( & ( ) # $( * + % ,'- ('.'(/'01% , # 2 / % ! 33 " 3 1&&+ 33 . 4 )15 & & & & & & & ( +( + 1 & ) !6 +0 4 ) ) 1 & ) !0 4 & + " 0 7+& % 8 "".

5 * 4 9 4 ' 8 ! 22a. Stationary type (Pulse echo Method) b. Rotary probe type, pulse echo method ! " # $ % $ Ultrasonic Inspection 23 Eddy Current Inspection Magnetic Particle Inspection ! " # $ $ % "& ' 24 Spectro-Chemical Analysis Electromagnetic Inspection ! " Sonoscope Magnetic CircuitAmalog Magnetic Circuit # $ ! % &' ( ) ( ) " ( anufacturing Range by Process and DimensionsM2526 Electric Welded PipeHot Finished Seamless Tube ! " # ! $# % & # 27 Cold Finished Tube roduct Availability SpecificationP28 !" #$! %&'$ # " % (# $ # " # $ ( ) % $* # " # $ ( + (%!#$+ (# * ,-($. %/(*%. %/(*%. % , *% % - - - / 0 1 / 12 0 1 1 2 1 0 0-2 0- / 02 03 0 02 4 0 0 02 0 02 0 2 02 / 02/ 0 02 0 * $ * !& "( - 5 + ! /'* % **(' $ * !))))))))))

6 & "( # +! ( / &( $ * !& "( # $ !#$! *+! ( * $ * !& "( 6 ** 5 * #$ # $ # 7 *% %/ &( $ * !& "( !$( (& * $ !#$! *+! ( / &( $ * !& "( /'* % 3 * * #$ # $ # , *% %/ &( % **(' $ * # # * !& 5 * / &( % **(' $ * # # * !& 5/ &( $ * - 5 5 $ * **(' $ * pecification (Excerpts)S2930 Table 1. Chemical Composition and MECHANICAL Properties1. Carbon Steel tubes for Machine Structural Purposes !" # # $!# %$& ' ( # ) $!# %$& !*! + $!# ' , % $.)))))))))))))))))))

7 $# $* #/# % $0) $# $ * #/#$! 1#! &# / / * $ - # # # $ 2 $ /# #$3## + $$# % * $# 45 42 6 0$ )# ) #$#! + +0 # 7 $$# % # $22222222222222 ! " ! / $ & # 0 #) $ $&# ) /!#$ + 0+ /$0!#! $ $&# # $# $ + - &# 1 0# + # % $ & $ # ** #) $ $&# $0 # #! 0$ )# ) #$#! 5 3#1#!. $ # %!##) 0* $&# *0!/& #! ) $&# 0+ /$0!#!. 3&# # *#/ !#80 !#) &# # ) %$# $ & # ** #)$ $&#$0 # !0 )#! 0$ )#) #$#! #0 ++ $$# %$# $3&# # *#/ *#/ + #) $&#*0!/& #! 9# !: 6 # ) # $ # ) % #; )# ! ) 0 42 0$ )# ) #$#! + $&# $0 # 2 2 2 2 2 2 2 2 2 2 2 2 2 2 31 Table 2. Outside Diameter Tolerance !

8 " # $ $ $ ! % ! $ ! ! & '! ( ( " ( " ! !$ ! ) # * + $ ,! - Table 3. Wall Thickness and Length Tolerance + $ . % # / ( 0 0 0 0 0 0 0 32 Table 1. Chemical Composition2. Alloy Steel tubes for Machine Purposes ! ! ! " # $ %&' ' ( ) * +,) -*& +,) -*&.+,) -* +,) -* +,) -* +,) -** +, &./ & / &. &0/ & &./ ./ / ../ * & / & / & / & / & / & / & / 0 / . 0 / . 0 / . 0 / . 0 / . 0 / . 0 / . 1 /& 1 /& 1 /& 1 /& 1 /& 1 /& 1 /& & / & / & / & / & / & / - ) 2 - ) 33 Table 2. Outside Diameter Tolerance ! ! ! ! " # $ % %& ' % ( ) * * *+ ) ) % ) , ) ! + - ) % ) , ) ! . / 0 34 Table 3. Wall Thickness and Length Tolerance ! " ! " # ! # ! ! " $ % $% ! $%#%& ! " ' ( ) ! ! $ ! $ 3536 Table1. Chemical Composition and MECHANICAL Properties3. Seamless Steel tubes for Drilling , :1)2)Whentolerancesotherthanthatspecifie dinTABLE2-3arerequired, :1)ClassApplicationScopeChemicalComposit ion,%PmaxSmaxYieldStrengthorProofStressm inN/mm2 (50mm) (50mm) Outside Diameter Tolerance (for Drill Rods)Table3.

9 Wall Thickness Tolerance (for Drill Rods)( ) (40mm) (40mm)andover( )Classification20ft.(6m)orlessinlengthMo rethan20ft.(6m) Length Tolerance(10mm)(0) Drift (43-83mm) ( )12in.(300mm) (15mm)(0)Thisstandardspecifiesseamlessst eeltubesusedforcasingtube, ,coretubecoretubedrillrodElongation, ,12testpiecelongitudinalmin% , Chemical Composition and MECHANICAL Properties4. Electric Resistance Welded Carbon Steel tubes for Automobile ! " # ! # " # " # $ $ " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ! " ! " " $%$%$%$%$%$%$%$%$%$%$%$!"$!"$ " " " " "" "" $ & " " " $& $&$'$ $ "($ ($ ($ ($ $"($ $"($ $"($ $"($ $ ($ $ ($ "( ' ' ) ) ) )$ )$ ) ) )$ )$ * + $% , - .. , / -/ , - / $"0 Structural Purposes 1 * 2( - .. / - %1 $$3$ 4 , -. 5 06 . / # , 4 039 Table 2. Outside Diameter Tolerance !)))

10 ! ! " ! # $ % % % ! & ' ( ! ) * Table 3. Wall Thickness Tolerance& ' + % ! , , - - , , ( ! . " , / , 0+ 0 0 0 , 40 Table 4. Length Tolerance ! "# $ # % # # # Table 5. Tolerance on the height of inside bead & & ' # % & % # # ( ) * & +& ,& & - . , . , . 41425. Carbon Steel tubes for Cylinder Barrels Table 1. Chemical Composition and MECHANICAL Properties ! ! !" # ! " $ Table 2. Outside Diameter Tolerance% &'( ) &'( ) ' & ' ) ! ' & ' ) * % &'( ) &'( ) * ( ( ( ( &( ' )&( ' )( + ( ' , - & ( )Table 3. Inside Diameter Tolerance &'( ) ,* &'( ) . &+( ) ,* . &+( ) / + & ( ) ,* / + & ( ) 0 / & 0( ) ,* 0 / & 0( ) 1 & +( ) ,* 1 & +( ) + & (( ) ( ((/ ( ((/ ( ((/ ( ((/ ( ((/ ( ((/ 2 - &( ( )&( ( )&( ( )&( ( )&( ( )&( ( )( ( ( ( 0 ( ( ( ( ( / ( (. ( (.0 &( .( )&( /( )&( '( )&( 0( )&( +( )&( 3( )Table 4.)))))))))))))))))))))))))))))))))))))) )))))))))))