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Seamless Steel Tubes
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DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage

Brand Name: WUXI SYLAITH
Model Number: DIN 2391/C DIN1630
MOQ: 1 Ton
Price: Negotiable
Payment Terms: TT / LC
Supply Ability: 10000 TONS PER MONTH
Detail Information
Place of Origin:
CHINA
Certification:
SGS ISO ROHS
Type:
Seamless Or ERW
Ends:
Plain Ends Or Bevel Ends
Section Shape:
Round Or Bended For Hydraulic Steel Pipe
Application:
Hydraulic Tube / Hydraulic Steel Pipe
Grade:
DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4
Techniuque:
Cold Drawn
Special Pipe:
Hydraulic Line Tube
Hydraulic Line Tube:
Cutting
Packaging Details:
Standard Waterproof Package
Supply Ability:
10000 TONS PER MONTH
Highlight:

round steel tubes

,

Seamless Steel Tubing

Product Description

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage

 

Detailed introduction to hydraulic tube:

 

Main Application: to be used in hydraulic systems, automobile and in the occasion where the high precision, brightness cleanness and mechanical properties of the tube are required.

Product DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage
OD 3.75-70MM
Wall Thickness 05-10mm
DELIVERY CONDITIONS NBK (+N) Normalized. After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
SURFACE TREATMENTS

1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface 0.2Ra Maximum for special requirement

2. Surface Coating

A. Silver galvanized

B. Yellow galvanized

C. Olive green coated

Layer thickness: 8-20um, Salty Spray Test: 48-240 hours

3. Black phosphate

APPLICATIONS

A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension

B. Hydraulic cylinders (HPZ)

 

 Standard & Grade

 

Standards TDR Standards Steel Grades
ASTM A822 - A450 A822
DIN 2391-1 2445-2
1630
ST 37.4
ST 44.4
ST 52.4
EN 10305-4 E235+N
E355+N

 

OD mm

WT mm

WORKING RESSURE Bar Burst Pressure Bar KG/M
4 1 522 2850 0,074
5 1 431 2120 0,099
6 1,5 825 2250 0,166
6 1 509 1385 0,123
8 2 825 2250 0,296
8 1,5 583 1589 0,240
8 1 367 1000 0,173
10 2 630 1714 0,395
10 1,5 450 1229 0,314
10 1 287 783 0,222
12 2,5 660 1800 0,586
12 2 508 1385 0,493
12 1,5 367 1000 0,388
12 1 235 760 0,271
14 3 684 1865 0,814
14 2,5 434 1760 0,709
14 2 426 1161 0,592
14 1,5 302 940 0,462
15 2 394 1075 0,641
15 1,5 287 783 0,499
15 1 188 590 0,345
16 2,5 471 1286 0,832
16 2 367 1000 0,691
16 1,5 264 820 0,536
18 2,5 392 1320 0,956
18 2 322 878 0,789
18 1,5 236 643 0,610
18 1 157 510 0,419
20 3 451 1229 1,260
20 2,5 367 1000 1,080
20 2 282 920 0,888
20 1,5 212 570 0,684
22 2,5 320 1040 1,202
22 2 259 706 0,986
22 1,5 192 590 0,758
25 4 484 1321 2,070
25 3 338 1050 1,628
25 2,5 287 783 1,390
25 2 226 670 1,134
28 2,5 252 770 1,572
28 2 200 545 1,282
28 1,5 151 450 0,980
30 4 400 1075 2,560
30 3 287 783 2,000
30 2,5 235 770 1,695
35 4 322 960 3,058
35 3 243 663 2,370
35 2 161 470 1,628
38 6 390 - 4,735
38 5 388 1059 4,070
38 4 297 970 3,354
38 3 223 660 2,589
38 2,5 186 550 2,189
42 3 200 545 2,890
42 2 134 390 1,973

 

Factory test and other terms

 

1.Hydrostatic or Nondestructive Electric Test

2.Heat Treatment: according to Standard
3.Surface Condition:According to Standard.
4.Grain Size:According to standard
5.Sampling:flattening,flaring,grain size,Marking

6.we provide bevel end,plastic cap, varnish coating, oiled or black painted to prevent rustand other packing

service.

 

Product Photo

 

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage 0

 

Factroy Picture

 

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage 1

 

Steel Pipe & Tube Application

 

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage 2

Package & Delivery

 

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage 3

Main Certificates

 

DIN 2391/C DIN1630 ST37.4 ST44.4 ST52.4 Precision Seamless Steel Tube For Hydraulic Usage 4

 

FAQ


Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Sylaith Special Steel Co.,Ltd is a manufacturer of steel pipe and tube since 2010. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.

 

Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded pipes can also be available

 

Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.

 

Q4. CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings that will be most satisfy you.

 

Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every day 5 flight around noon time).