武鋼 DB590 良好的抗疲勞性能 力學(xué)性能，屈服強度

           我公司是一家以經(jīng)營《鋼材》為主，集倉儲、開平、分條等剪切配送為一體的綜合性公司。位于上海北部距離***競爭力的鋼鐵企業(yè)寶鋼集團(tuán)僅2公里，借靠寶鋼集團(tuán)生產(chǎn)高技術(shù)含量、高附加值鋼鐵精品。 主營寶武鋼鐵：寶鋼股份，武鋼，梅鋼，湛江，馬鋼 （熱軋板卷）各種牌號（期貨）資源。 主要：汽車鋼，高強鋼（工程機械用鋼，熱處理回火調(diào)質(zhì)鋼板）防彈鋼，雙相鋼，高擴(kuò)孔鋼，耐候鋼，耐酸鋼，橋殼鋼，中高碳鋼，攪拌車筒，合金鋼（精沖壓延用鋼），耐磨鋼，管線鋼等。 目前與國內(nèi)多家大型企業(yè)長期合作，我司擁有雄厚的資金實力，能為貴我雙方提供更好的合作關(guān)系、合作橋梁，共創(chuàng)輝煌！                           聯(lián)系人：孫銳  聯(lián)系電話：021-36071066兼?zhèn)髡? 24小時服務(wù)電話： 18019288886（兼微信）  郵箱：329826143@qq.com QQ:329826143 網(wǎng)址： 地址：上海市寶山區(qū)春和路1088號 工程機械用鋼Construction Machinery Steel 本系列產(chǎn)品強度高、塑性好，性能穩(wěn)定；尺寸精度高,板形好，表面光潔。 This series of products has high strength, perfect plasticity, stable performance, high dimensional accuracy, good shape and smooth surface. 可供牌號、供貨標(biāo)準(zhǔn)及用途Available Steel Brand, Delivery Standard & Function

按用途分類By function	牌? Brand	供貨標(biāo)準(zhǔn) Delivery standard	特點及推薦用途Features & function
低碳貝氏體鋼Low-carbon bainitic steel	DB590	WJX( RZ )212	高強度、高韌性、優(yōu)良的焊接性能和冷成型性能,用于 制作高強度工程機械焊接結(jié)構(gòu)件，如起重機吊臂、支 腿、車架等。 With high strength, high toughness, excellent welding per- formance and cold forming properties, it is used for manufacturing high strength construction machinery welding parts, such as crane boom, landing leg, frame and so on.
	DB685	WJX(RZ)170
低合金焊接結(jié)構(gòu)鋼 Low-alloy welded structural steel	HJ58C HJ58D HJ58E	WJX(RZ)15	具有優(yōu)良的綜合性能，廣泛用于工程機械構(gòu)件和煤礦 液壓支架等。 It has excellent comprehensive properties and is widely used in construction machinery components and coal mine hydraulic support.
高強度焊接結(jié)構(gòu)鋼High-strength welded structural steel	HG70C HG70D HG70E	WJX(RZ)158	高強度、高韌性、低的韌脆轉(zhuǎn)變溫度、良好的抗疲勞性 能、冷成型性能和焊接性能。用于各類起重吊車、重型 汽車、石油井架、高溫風(fēng)機、大型電鏟、自卸車及煤礦液 壓支架等。 With high strength, high toughness, low ductile brittle transition temperature, good fatigue resistance, cold forming performance and welding performance, it is used for all kinds of cranes, hey trucks, oil derrick, high temperature fans, large electric shovels, dump trucks and coal mine hydraulic supports.
	HG785D HG785E	WJX(RZ)159
卡特彼勒專用鋼Caterpillar special steel	1E1247JE0170 1E0650JE0860 1E1006	WJX( RZ )338	綜合性能優(yōu)良的挖掘機專用鋼，已大量應(yīng)用于挖掘機 挖斗、吊臂、斗桿、轉(zhuǎn)臺支架和駕駛室。 The special steel for excator with high performance has been widely used in excator bucket, boom, dipper, turntable support and cab.

注:根據(jù)用戶的需求，經(jīng)供需雙方協(xié)商,可提供其他標(biāo)準(zhǔn)的工程機械用鋼。 Remarks: Other standard and steel grade can be supplied per users' requirements after agreed by both supplier and users. 產(chǎn)品尺寸Product Size

牌號 Brand

鋼板 Steel plate, mm

原卷Original coil, mm

精整卷 Skin-pass coil, mm

DB590、DB685	3.0 ~ 20.0 x 900 ~ 2000 x 2000?12000	3.0 ~ 20.0 x 900 ~ 2000 x C	3.0 ~ 12.7 x 900 ~ 2000 x C
HJ58C、HJ58D、 HJ58E	3.0 ~ 20.0 x 900?2000 x 2000 ~ 12000	3.0 ~ 20.0 x 900 ~ 2000 x C	3.0 ~ 12.7 x 900 ~ 2000 x C
HG70C、HG70D、HG70E	3.0?20.0 x 900 ~ 2000x 2000 ~ 12000	3.0 ~ 20.0 x 900?2000 x C	3.0 12.7 x 900 ~ 2000 x C
HG785D.HG785E	3.0 ~ 16.0 x 900 ~ 2000 x 2000 ~ 12000	3.0 ~ 16.0 x 900 ~ 2000 x C	3.0 ~ 12.7 x 900 ~ 2000 x C
1E1247	3.0 ~ 20.0 x 900 ~ 2100 x 2000 ~ 12000	3.0 ~ 20.0 x 900?2100 x C	3.0 ~ 12.7 x 900 ~ 2100 x C
1E0170JE0650s 1E0860	2.0 ~ 25.0 x 900 ~ 2100 x 2000?12000	2.0 ~ 25.0 x 900 ~ 2100 x C	2.0 ~ 12.7 x 900 ~ 2100 x C
1E1006	3.0 ~ 20.0 x 900 ~ 2100 x 2000?12000	3.0 ~ 20.0 x 900 ~ 2100 x C	3.0?20.0 x 900 2100 x C

尺寸及外形允許偏差Size&Appearance Tolerance 執(zhí)行GB/T709標(biāo)準(zhǔn)。根據(jù)供需雙方協(xié)議，可提供其他尺寸公差的產(chǎn)品。 It is as per GB/T709. Products with other dimension tolerance can be provided as per agreements between both supplier and users. 化學(xué)成分(一)(wt%)Chemical Composition 1

牌號 Brand	C	Si	Mn	P	S	Cu	Nb	B	Mo	Ni
DB590	W0.18	W0.55	W1.70	W 0.025	W0.015	W0.35	W0.08	蕓0.003	W0.30	—
DB685	W0.08	W0.50	W1.80	W 0.025	W0.015	W0.70	W0.10	W0.003	W0.40	W0.50
如果C含量比規(guī)定值每降低0.01%,允許Mn含量比規(guī)定值提高0.05%,但Mn含量不超過2.00%。 If the C content is 0.01% lower than the max. value provided, the Mn content is allowed to be 0.05% higher than the max. value provided, but the max. Mn content should not exceed 2.0%.

化學(xué)成分(二)(wt%)Chemical Composition 2

牌號Brand	C	Si	Mn	P	S	Mo	Cr	Nb+V+T	Ni	B	Pcm
HJ58	W0.18	W0.55	W1.80	W 0.020	W 0.020	W0.30	—	W0.15	—	—	—
HG70	W0.12	W0.40	W1.80	w 0.025	W0.015	W0.40	W0.60	0.03 ~ 0.25	W0.60	W0.005	W0.25
HG785	W0.15	W0.40	W1.80	W 0.025	W0.015	W0.60	W0.60	0.03 ~ 0.25	<0.60	<0.005	W0.25
Pcm = C+Si/30+(Mn+Cu+Cr)/20+Mo/15+Ni/60+V/10+5B 如果C含量比規(guī)定值每降低0.01%,允許Mn含量比規(guī)定值提高0.05%,但Mn含量不超過2.00%。 If the C content is 0.01% lower than the max. value provided, the Mn content is allowed to be 0.05% higher than the max. value provided, but the max. Mn content should not exceed 2.0%.

化學(xué)成分(三)(wt%)Chemical Composition3

牌號Brand	C	Si	Mn	P	S	Als
1E1247	W0.16	<0.40	W1.65	W 0.025	wo.oio	N0.020
1E0170	=$0.22	W0.15	=$1.50	W 0.025	W 0.020	5=0.020
1E0650	=$0.22	W0.15	=$1.50	W 0.025	W 0.020	5=0.020
1E0860	W0.25	W0.50	W1.60	W 0.025	W0.015	N 0.020
1E1006	W0.20	W0.55	W1.60	W 0.025	W 0.035	N 0.020

力學(xué)性能Mechanical Property

牌號Brand	屈服強度 Yield strength ReL, MPa	抗拉強度 Tensile strength Rm, MPa	伸長率 Elongation %	沖擊試驗(縱向)Impact test(Longitudinal)				180°冷彎試驗 (]=彎心直徑3=試樣厚度180°Cold bend test d=Bend diameter a=Sample thickness
				KV2, J
				o°c	-20°C	-30°C	-40°C
DB590	N450	570 ~ 720	N20				N47	d=2a
DB685	N590	N685	N16				N47	d=2a
HJ58C	^460	570 ~ 720	，17	，47				d=3a
HJ58D	^460	570 ~ 720	，17		、47			d=3a
HJ58E	2460	570 ~ 720	N17				N47	d=3a
HG70C	2590	2685	N17	247				d=2a
HG70D	2590	N685	N17		40			d=2a
HG70E	2590	N685	N17				N27	d=2a
HG785D	2685	N785	N15		240			d=3a
HG785E	2685	N785	N15				N27	d=3a
1E1247	N550	m620	N21					d=1.7***
1E0170	N290	m435	N20
1E0650	N290	N435	N20				N11
1E0860	N290	N435	N22			N22
1E1006	N450	>560	N17