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ThyssenKrupp Steel Europe

Wear-resistantspecial structuralsteel

Heavy plate

Steel gradeMaterial No.

Material Specification

703

June 2014

TKS!S"ort na#e N!S"ort na#e

XAR®

 400 - 1.8714

Material Specification 703$ June 2014$ %age 1 of 3 

Scope

T"i& Material Specification applie& to 3 to 100 ## '0.11( to 3.)37 in.* t"ic+ plate& of t"e ,ear!re&i&tant &pecial

&tructural &teel -/

 400.

Application

T"e &teel #ay e u&ed at t"e di&cretion of t"e purc"a&er for ,ear!epo&ed &tructure&$ e.g. ecavating$ #ining andeart"!#oving #ac"inery$ truc+ du#p odie&$ conveying$ cru&"ing and pulveriing euip#ent$ &crap pre&&e&$

paving #ould& and in &,itc" #anufacturing.

T"e proce&&ing and application tec"niue& a& a ,"ole are of funda#ental i#portance for t"e &ucce&&ful u&e of t"eproduct& faricated of t"i& &teel. T"e proce&&or5faricator #u&t a&&ure "i#&elf$ t"at "i& de&ign and ,or+ #et"od&are appropriate for t"e #aterial$ are &tate!of!t"e!art and are &uitale for t"e envi&aged purpo&e.

T"e &election of t"e #aterial i& left up to t"e purc"a&er.

Chemical composition '"eat analy&i&$ #a&&.!6* 

Si Mn % S r Mo 8

≤ 0.20 ≤ 0.(0 ≤ 1.90 ≤ 0.020 ≤ 0.007 ≤ 1.00 ≤ 0.90 ≤ 0.009

T"e &teel "a& a fine!grained #icro&tructure. Nitrogen i& a&ored to for# nitride& y #ean& of l and$ ,"ereapplicale$ N or Ti.

Deliver con!ition" uenc"ed or uenc"ed and te#pered '&ee paragrap" :Heat treat#ent;*.

#echanical properties

$ar!ness at room temperature in t"e delivery condition?N N ?S@ A90A. T"e "ardne&& &"all e #ea&uredroug"ly 1 ## '0.03) in.* elo, t"e &urface of t"e plate.

%late t"ic+ne&&e& up to 39 ## '1.37( in.* ,ill al&o feature a core "ardne&& B )0 6 of t"e #ini#u# "ardne&&.

%pical car&on e'uivalent an! stren(th values) tpical o* 1+ mm ,0.+1 in. plate thic/ness 

aron euivalent T in 6 CT D E 'Mn E Mo* 5 10 E 'r E u* 5 20 E Ni 5 40F < 0.32

aron euivalent in 6 C D E Mn 5 A E 'r E Mo E G* 5 9 E 'Ni E u* 5 19F < 0.91

ield &trengt" in M%a '+&i* I*  < 1000 '149.0*  

Ten&ile &trengt" in M%a '+&i* I*  < 1290 '1(1.3* 

longation at fracture in 6 < 10

I* 1 M%a D 1 N5## '1 +&i D 103 lf5in*

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 T"y&&enKrupp Steel urope Material Specification& 

Material Specification 703$ June 2014$ %age 2 of 3

mpact ener( for plate& up to 39 ## '1.37( in.* t"ic+ne&& at ! 20 '! 4 L* in t"e &tate of delivery condition<#in. 27J '20 ft∙lf* 'tran&ver&e*

T"e te&ting i& perfor#ed according to ?S@ 14(!1.T"e value& &tated for t"e i#pact energy are #ini#u# value&otained a& t"e average of 3 &peci#en&$ no &ingle value eing le&& t"an 70 6 of t"e #ini#u# value.

T"e &peci#en& are ta+en near t"e &urface. Lor t"ic+ne&&e& 10 ## ' 0.3)4 in.* t"e i#pact energy value i&reduced proportionally to t"e &peci#en ,idt" 'product t"ic+ne&&*. Lor no#inal t"ic+ne&&e& A ## '0.23A in.* t"ei#pact energy ,ill al&o e te&tified.

?n ca&e of need of plate t"ic+ne&&e& aove 39 ## ,it" #ini#u# core "ardne&& and5or #ini#u# i#pact energy$,e optionally offer our -/ 400 %/M?M 'Material &pecification 713*.

um&er o* tests

nle&& ot"er,i&e agreed upon in t"e order$ t"e te&t& li&ted elo, ,ill e perfor#ed during t"e acceptancein&pection<

2p to 3+ mm ,1.378 in. thic/ness"

1 notc"ed!ar i#pact te&t '1 &et D 3 &peci#en&*1 deter#ination 8rinell "ardne&&

per 40 t per "eat

ver 3+ mm ,1.378 in. thic/ness"

1 deter#ination 8rinell "ardne&& per "eat

5eneral processin( in*ormation

Lor t"o&e ,"o proce&& t"e&e &teel& for t"e fir&t ti#e$ it i& reco##ended to con&ult t"e &teel &upplier to ta+eadvantage of t"e eperience& gat"ered &o far.

T"e general infor#ation &tated elo, can only cover a fe, of t"e i#portant point&. T"e reco##endation& given inSTHO!?SN!=er+&tofflatt 0(( '=eldale fine!grained &tructural &teel&$ guideline& for proce&&ing$ in particularfor ,elding* corre&pondingly apply to t"i& &teel a& ,ell.

/eco##endation& for ,elding are al&o given in N 1011 part 1 and part 2 ! =elding$ /eco##endation for,elding of #etallic #aterial& !.

?t i& left to t"e di&cretion of t"e proce&&or5faricator to decide ,"ic" of t"e fa#iliar precaution& #u&t e adopted toavoid crac+ing during t"er#al cutting and ,elding under t"e prevailing con&truction and farication condition&.

Col! *ormin(

T"e product& #ade of t"i& &teel are &uitale for cold ending provided$ t"at con&ideration i& given to t"e "ig""ardne&&. T"e for#aility of &teel decrea&e& ,it" increa&ing "ardne&&. T"i& "a& to e +ept in #ind ,"en for#ing.T"e for#ing #u&t ta+e place at a &lo, and &teady rate$ t"e cut edge& #u&t e deurred and t"e plate& "eated$ ifnece&&ary$ prior to t"e for#ing. final &tre&&!relieving i& not con&idered for t"i& &teel.

#achina&ilit?n &pite of it& "ig" ,ear re&i&tance$ t"e &teel e"iit& good #ac"inaility if &ufficiently "eavy #ac"ine!tool& and&"arp caride!tipped tool& are u&ed. T"e feed rate and cutting &peed "ave to e adPu&ted to t"e "ig" "ardne&& oft"e #aterial.

$eat treatment

%late& of t"e -/

 400 grade receive t"e reuired propertie& a& a re&ult of au&tenitiing and follo,!on uenc"ing

in &pecial facilitie& and$ ,"ere applicale$ te#pering elo, c1. >irect uenc"ing after "ot!rolling i& con&ideredeuivalent to conventional uenc"ing. T"e "eat treat#ent depend& on t"e c"e#ical co#po&ition and t"e productt"ic+ne&&. To avoid "ardne&& lo&&e&$ t"e &teel #u&t not e "eated aove 290 '4(2 L*.

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 T"y&&enKrupp Steel urope Material Specification& 

Material Specification 703$ June 2014$ %age 3 of 3

%hermal cuttin(

%referaly t"e fla#e!cutting proce&& i& u&ed. Lor all product t"ic+ne&&e&$ "o,ever$ t"e plaa cutting proce&&i& u&ed in t"e intere&t of #ini#u# di&tortion.

%re"eating i& not nor#ally nece&&ary ,"en fla#e!cutting t"ic+ne&&e& up to around 30 ## '1.1(1 in.*. Ho,ever$ ift"e ,or+piece te#perature i& elo, E 9 'E 41 L*$ or t"e cut edge& are to e cold!for#ed in t"e cour&e offurt"er proce&&ing$ pre"eating to aout 190 '302 L* &"ould e con&idered in t"e intere&t of cold crac+ingre&i&tance.

Wel!in(

?f due con&ideration i& given to t"e general rule& for ,elding$ t"i& &teel i& ,eldale ot" #anually andauto#atically. To prevent cold crac+ing in t"e ,elded Point& only ,elding con&u#ale& giving ,eld& of very lo,"ydrogen content &"ould e u&ed.

%re"eating i& not generally nece&&ary for ,elding ,it" au&tenitic filler #etal&.

Lor "ig"ly &tre&&ed ,eld &ea#&$ ,elded ,it" ferritic filler #etal&$ pre"eating &"ould in general e u&ed fort"ic+ne&&e& &tated in STHO!?SN!=er+&tofflatt 0((. T"e pre"eat te#perature level for ,elding depend& on t"eplate t"ic+ne&& and t"e re&idual &tre&& &tate of t"e &tructure. T"e ,or+ing te#perature &"ould not go eyond290 '4(2 L*.

T"e ,ear re&i&tance of co#ponent& faricated of -/

 400 #ay e increa&ed ,it" t"e aid of ,ear re&i&tant layer&depo&ited y #ean& of ,elding or #etal &praying.

5eneral in*ormation

nle&& ot"er,i&e agreed upon in t"e order$ t"e delivery ,ill e governed y t"e condition& outlined in N 10021.

T"e ad#i&&ile tolerance& are a&ed on N 10091 for plate& cut fro# "ot &trip and N 1002) for four!"ig" #illplate&$ unle&& ot"er ter#& "ave een agreed upon.

T"e plate& ,ill e &upplied ,it" a #ai#u# flatne&& tolerance according to N 1002)$ tale 4$ &teel type H.S#aller flatne&& tolerance& can e agreed upon at t"e ti#e of ordering.

Lor &urface uality reuire#ent& N 101A3 i& applicale.

& per &pecial agree#ent it i& po&&ile to &upply plate& de&caled or de&caled and pri#ed.

6u&lishers a!!resses

N!$ ?S@ Standard& 8eut" Gerlag Q#H$ %o&tfac"$ >!10772 8erlin

STHO!?SN!=er+&tofflRtter Gerlag Sta"lei&en Q#H$ %o&tfac" 10 91 A4$ >!40042 >&&eldorf

T"y&&enKrupp Steel urope roc"ure& T"y&&enKrupp Steel urope Q$ >!471A1 >ui&urg

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 ,ear!re&i&tant &teel& !

%roce&&ing reco##endation&:

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 ,ear!re&i&tant &teel& !Solution to your ,ear prole#&: