ASTM A148

ASTM A148/A148M GRADE 550-270(80-40) DATA TABLE FOR:CARBON STEEL:ASTM A148/A148M GRADE 550270(80-40) Steel Ste el g g!"e !"e t#$ t#$e e C! C!%&' %&' te teel: el: St!'"!" &"*+t,&' $e+,,+!t,&'

Steel plate,Sheet, Coil,Flat bar,Round bar, Strip steel, wire, All kinds of forgings.  Turning Milling Grinding Deep hole drilling: length a! ".# eters.

M+.,','g

Round bar steel: $ to %&&& S'uare(shape steel: $& to $&&& steel )late*sheet:&.&# to #&& R!'ge & & 

+idth: $& to $&& -enth: +e an suppl/ an/ lenth based on the ustoer0s re'uireent. Forging: Shafts with flanks*pipes*tubes*slugs*donuts*ubes*other shapes  Tubings: 1D: 1D: 23(3$& , with wall thikness ranging ranging fro fro $(4 .

e!t te!te't

5orali6ing,Annealing,Tepering,7uenhing,8ardening and tepering,Seasoning,Surfae hardening,Carburi6ing

ASTM A148/A148M GRADE 550-270(80-40) CEM3CAL COMOS3T3ON AND MECAN3CAL ROERT3ES C

S,

M'



S

≤

≤

≤

≤

≤

005

00

M&

Al

C*

N%

T,

N

C&

%

B

Ot.e

C

N,

6

Ce

Me+.!',+!l &$et,e C&'",t,&'

&$et,e De',t# (1000 g/)

 T 9C; <.<(#.&4

%

Treatent

&,&'9 R!t,& El!t,+ M&"*l* (G!)

&.%<(&.4&

%

$"&(%$&

%

Te',le Ste'gt. (M$!)

$$#

 ,el" Ste'gt. (M$!)

$&43

El&'g!t,&' (;)

$

Re"*+t,&' ,' Ae! (;)

4

!"'e (B)

44

%

oil 'uenhed, fine grained, tepered at 3%C

%

oil 'uenhed, fine grained, tepered at 3%C

TERMAL ROERT3ES C&'",t,&'

&$et,e

 T 9C;

T.e!l C&'"*+t,<,t# (=/->)

3%.<

$&&

S$e+,,+ e!t (?/g->)

3<<

&($&&

Treatent

S3CAL ROERT3ES @*!'t,t#

6!l*e

',t

T.e!l e$!',&'

$= ( $<

e(=*>

T.e!l +&'"*+t,<,t#

$= ( $=

+*.>

&& ( &&

?*kg.>  

Melt,'g te$e!t*e

$4<& ( $3&&

C

Se<,+e te$e!t*e

& ( &&

C

#&&& ( #&&&

kg*4

&.< ( &.<

1h.%*

S$e+,,+ .e!t

De',t# Re,t,<,t#