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DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm

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DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm

DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm
DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm

Large Image :  DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm

Product Details:
Place of Origin: JIANGSU, CHINA
Brand Name: CHANGZHOU RUIYUAN
Certification: ISO9001, ISO14001, PED, OHSAS 18001
Payment & Shipping Terms:
Minimum Order Quantity: 0.3 MT
Packaging Details: Ends caps, Hexagonal Bundles with steel strips and plastic bags wrapping outside/Wooden box/Steel frame/Or as per client’s requirement.
Delivery Time: 20~30 days after order
Payment Terms: T/T, L/C, D/P, CASH, D/A, Western Union
Supply Ability: 6000MT/Month
Detailed Product Description
STANDARD: DIN SHAPE: ROUND
CERTIFICATE: PED, ISO9001, ISO14001, OHSAS 18001 PLACE OF ORIGIN: JIANGSU, CHINA
SECONDARY OR NOT: BRAND NEW PROCESSING: SEAMLESS
SURFACE: BARE, OIL, VARNISH, BLACK
High Light:

mild steel pipes

,

seamless mild steel tube

Cold Drawn Seamless Mild Steel Tube DIN 1630 With OD16mm - 90mm WT 1.5-12mm

 

 

DIN1630 HIGH PERFORMANCE SEAMLESS COLD DRAWN STEEL TUBE

 

 

Specifications:

 

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: PE, ends caps

Marking: as per requirement

Delivery Condition: Annealed/Normalized/Tempered

Size:(mm)
         OD: 16~90mm       WT: 1.5-12      

   or as per customer’s requirement
   Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length

Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement

 

 

CHEMICAL COMPOSITION (%):

 

CHEMICAL COMPOSITION (CAST ANALYSIS) IN%

Grade

C≤

Si≤

Mn

P≤

S≤

ST 37.4

1.0255

0.17

0.35

≥ 0.35

0.040

0.040

ST 44.4

1.0257

0.20

0.35

≥ 0.40

0.040

0.040

ST 52.4

1.0581

0.22

0.55

≤ 1.60

0.040

0.035

 

 

MECHNICAL PROPERTIES:

 

STEEL GRADE

Tensile Strength

σb(Mpa)

N/mm2

Yield Strength σs(Mpa)

(WT in mm)

Elongation      δ(%)

(L=5do)

IMPACT

(DVM—TEST SAMPLE)

≤16

>16≤40

>40≤65

L

T

L

T

(MIN) N/mm2

% (MIN)

δ (MIN)

ST 37.4

1.0255

350-480

235

225

215

25

23

43

27

ST 44.4

1.0257

420-550

275

265

255

21

19

43

27

ST 52.4

1.0581

500-650

355

345

335

21

19

43

27

 

 

DIMENSION TOLERANCE:

 

OD (mm)

Permissible daviation in OD

Tube Barrel and tube ends

At tube ends, subject to particular agreement 1)

≤ 100

±1% (value up to ±0.5mm are permitted)

± 0.4 mm

100 − 200

±1%

± 0.5% 

> 200

±1%

± 0.6%

Length Tolerance (mm)

≤6000

0 - +10

6000<L≤12000

0 - +15

>12000

By Agreement

 

 

INSPECTION AND TEST:

 

CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening,impact, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.

 

 

Description:

 

DIN1630 is the standard for high performance seamless steel pipe, steel grades containes ST37.4, ST44.4, ST52.4. It applies to seamless circular tubes and pipes made of unalloyed steels. These pipes are pradominantly used in the construction of chemical plant, vessels, pipework and for general mechanical engineering purposes. They are designed to meet high performance requirements. Normally, there are no limiting values for the maximum permissible working pressure of these tubes. The permissible working temperature shall not exceed 300℃.

Top quality products

 

 

Applications:

 

Mainly used in the construction of chemical plant, vessels, pipework and for general mechanical engineering purposes. And designed to meet high performance requirements, etc. 

 

 

Competitive Advantage:

 

Serious quality control on billet and finished products. Advanced equipment, serious attitude on quality, good technology make us can maitain the good and stable product's quality.Always put customers' benefits before ours make customers set up very good long-term relationships with us.

 

DIN1630 Cold Drawn Seamless Mild Steel Tube With OD16-90mm WT 1.5-12mm 0

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