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General Engineering Seamless Boiler Tube Structural Circular Type Heat Treatment

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General Engineering Seamless Boiler Tube Structural Circular Type Heat Treatment

Country/Region	china
Categories	Metal Casting Machinery

Product Details

Product Name: EN10297-1 General Engineering Purposes Seamless Structural Circular Steel Tubes
Application: For seamless circular tubes made of non-alloy and alloy steels for mechanical and general engineering purposes
Size(mm): O. D.: 8-256 W. T.: 1-30 L: Max 12000mm

Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.

100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.

Product Name	En10297-1 Seamless Cold Drawn Circular Boiler Tube
Material	E235 E275 E355 E470
Delivery Condition	Heat Treatment
Standard	En10297-1
Application	Heat Exchanger, Condensers and similar heat transfer apparatus
Certificate	ISO 9001
HS code	7304319000
Delivery Time	45 days
Packing	Bundles or Wooden Boxes

Steel grade		C	Si	Mn	P	S	Cr	Mo	Ni	Other elements
Steel name	Steel number	C	Si	Mn	P	S	Cr	Mo	Ni	Other elements
E235	1.0308	≤ 0.17	≤ 0.35	≤ 1.20	≤ 0.030	≤ 0.035
E275	1.0225	≤ 0.21	≤ 0.35	≤ 1.40	≤ 0.030	≤ 0.035				Al ≥ 0.010
E315	1.0236	≤ 0.21	≤ 0.30	≤ 1.50	≤ 0.030	≤ 0.035				N≤ 0.020
E355B	1.0580	≤ 0.22	≤ 0.55	≤ 1.60	≤ 0.030	≤ 0.035				Nb≤ 0.07
E470	1.0536	0.16--0.22	0.10— 0.50	1.30— 1.70	≤ 0.030	≤ 0.035				V 0.08/0.15

Steel Grade

Condition

Minimum tensileproperties

Steel name

Steel number

Delivery condition

Yield strength(REH)Mpa b

Tensile strength(RM)Mpa

Elongation A

For T in mm

≤ 16

more than 16

more than 40

more than 65

more than 80

≤ 16

more than 16

more than 40

more than 65

≤ 40

≤ 65

≤ 80

≤ 100

≤ 40

≤ 65

≤ 100

E235

1.0308

+AR or +N

235

225

215

205

195

360

`340

E275

1.0225

+AR or +N

275

265

255

245

235

410

380

E315

1.0236

+AR or +N

315

305

295

280

270

450

420

E355

1.0580

+AR or +N

355

345

335

315

295

490

470

E470

1.0536

+AR

470

430

650

600

FAQ:

1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality.
You need to in charge of Express costs.

2. How about your production capacity?
3000 tons/Month.

3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.

4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.

5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade
3). Tube Size and Size Tolerance
4). Tube length
5). Quantity
6). If any special requirements

6. How about the minimum order quantity?
Normally for one size above 1 ton.

Welcome to contact us! Thanks.