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DIN1630 ST37.4 Precision Black Phosphated Hydraulic Tube , OD 15mm 20mm 25mm

DIN1630 ST37.4 Precision Black Phosphated Hydraulic Tube , OD 15mm 20mm 25mm photo-1
Negotiable MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Brand Name:
SHENGDINGYUAN
Place of Origin:
China
Model Number:
TS 16949 ISO 9000
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
Brand Name SHENGDINGYUAN
Place of Origin China
Model Number TS 16949 ISO 9000
Delivery Time:30 DAYS

DIN1630 ST37.4 Precision Black Phosphated Hydraulic Tube , OD 15mm 20mm 25mm

Quick Detail:

Precision hydraulic steel tube DIN1630-ST37.4 NBK OD10xTH1.5

Description:

The steel grades of raw material used in our company are mainly ST35, ST37.4(10#), ST45 (20#), ST55 (35#), Ck45 (45#), ST52.4 (16Mn) etc. produced by Shanghai Baosteel Group.

Synopsis of Process Routing: Cold drawn and bright NBK seamless steel tube is used as the tube to be phosphated. The phosphated is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means of the micro pore on the film to prevent from the rust. The caps are covered at two ends of tube to prevent from the dust.

Main Features: color of steel tube: bright black. Color is homogeneously distributed on the tube surface. The tube has good property of antirust.

Applications:

Used in hydraulic system,including automotive Hydraulic power steering system, the clutch system, braking system, engine high pressure oil pipe, excavator hydraulic oil pipe,nested card connector (pipe joints) with matching,shippment industry.

Specifications:

Size:OD4mm-60mm,TH0.5mm-7mm

Standard:DIN1630

Material: ST37.4,ST44.4,ST52.4

Delivery State:NBK+Black phosphate.

Chemical composition(cast analysis)a

Steel grade

% by mass

Steel name

Steel number

C

Si

Mn

P

S

max.

max.

max.

max.

    ST37.4

1.0255

0.17

0.35

≥0.35

0.025

0.025

 ST44.4

1.0257

0.21

0.35

≥0.40

0.025

0.025

 ST52.4

1.0581

0.22

0.35

≤1.60

0.025

      0.025 

Mechanical properties at room temperature

Steel grade

Minimum values for the delivery condition

Steel name

Steel number

Rm(Mpa)

     Re(Mpa)

A(%)

 ST37.4

1.0255

235

350-480

25

ST44.4

1.0257

275

420-550

21

ST52.4

1.0581

355

500-650

21

Competitive Advantage:

Certificate: TS 16949 certificate

Our customer: Contitech,Benteler

We have to cooperate with Volkswagen

We also were reviewed by BMW.

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Business Type
Trading Company
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
Location
Weifang, Shandong, China