Jiangsu Hongbao Group Co., Ltd.
                                                                                                           
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Military Field Automotive Steel Tubing 50mm Outside Diameter With Smooth Surface

Price Negotiable
Price: Negotiable
MOQ: 1 ton
Delivery Time: 30-45 Days
Brand: Hongbao
Product Description

 Welded Cold Drawn EN10305-2 50mm Automotive Steel Tubing Cold Drawn Steel Pipe
 

Application:

for Auto industry

for machinery use

Oil Cylinder Tube

Motorcyle shock absorber
Auto shock absorber innder cylinder

Telescopic Cylinders

 

Size range

OD:6-80mm

WT:0.5-10mm

L:As requirements.

 

Supplying Steel Grade:

E155, E195, E235 E275, E355

 

 

Steel Number Quality Level Thickness/mm Deoxidize Method C(%)≤ Si(%)≤ Mn(%)≤ P(%)≤ S(%)≤
E185(Fe310) 0 - - - - - - -
E235(Fe360)

A

B

 

 

 

C

D

≤16

>16-25

≤40

>40

 

 

 

N

-

-

E

NE

NE

GF

0.22

0.17

0.20

0.17

0.20

0.17

0.17

-

0.40

0.40

0.40

0.40

0.40

0.40

-

1.40

1.40

1.40

1.40

1.40

1.40

0.050

0.045

0.045

0.045

0.045

0.040

0.035

0.050

0.045

0.045

0.045

0.045

0.040

0.035

E275(Fe430)

A

B

C

D

≤40

>40

-

E

NE

NE

GF

0.24

0.21

0.22

0.20

0.20

-

0.40

0.40

0.40

0.40

-

1.50

1.50

1.50

1.50

0.050

0.045

0.045

0.040

0.035

0.050

0.045

0.045

0.040

0.035

E355(Fe510)

C

D

≤30

>30

≤30

>30

NE

NE

GF

GF

0.20

0.22

0.20

0.22

0.55

0.55

0.55

0.55

1.60

1.60

1.60

1.60

0.040

0.040

0.035

0.035

0.040

0.040

0.035

0.035

  

 

Steel Number Yield Strengh/MPa 
≤16 >16-40 >40-63 >63-80 >80-100 >100-150 >150-200
E185(Fe310) - 185 175 - - - - -
E235(Fe360)

A

B

BNF

C

D

235

235

235

235

235

225

225

225

225

225

215

-

215

215

215

215

-

215

215

215

215

-

215

215

215

195

-

195

195

195

185

-

185

185

185

E275(Fe430)

A

B

C

D

275

275

275

275

265

265

265

265

255

255

255

255

245

245

245

245

235

235

235

235

225

225

225

225

215

215

215

215

E355(Fe510)

C

D

355

355

345

345

335

335

325

325

315

315

295

295

285

285

 

Delivery Condition:

+C, +Lc, + SR, +A, +N

 

Production Method:

DOM, ERW+ Cold Drawn

ID Honing + Roller Burnish+ Skiving

 

Appearance:

The internal and external surface finish of the tubes is smooth, while the Weld Seam is somehow not visible or tangible.

The ID surface with roughness Ra≤4μm, the best ID smoothness we could reach Ra≤0.8μm

The inner surface can be measured and reported if this is requested by the purchaser before PO.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Jiangsu Hongbao Group Co., Ltd.
Location DAXIN TOWN,ZHANGJIAGANG,JIANGSU P.R.CHINA
Contact Person Angela

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