Gold Member Since 2013
Audited Supplier
Chengdu Derbo Steel Co., Ltd.

Precision Steel Tube, Cold Rolled Steel Tube, Cold Drawn Steel Tube manufacturer / supplier in China, offering Cold Rolled/Cold Drawn Seamless Precision Steel Tube, DIN17175 W1.0305 30mm * 3mm Thickness with Flat Ends Pipes, Sch. 40 Black Seamless End Beveled 4 Inch Carbon Steel Pipe and so on.

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Supplier Homepage Product Seamless precision tube Cold Rolled/Cold Drawn Seamless Precision Steel Tube

Cold Rolled/Cold Drawn Seamless Precision Steel Tube

FOB Price: US $900 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $900/ Ton
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Production Capacity: 100000 Ton/Month
Transport Package: in Bundles
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Precision Steel Tube
  • Technique: Cold Drawn
  • Section Shape: Round
  • Specification: CE
  • HS Code: 74000000
  • Type: Seamless
  • Usage: Pipeline Transport
  • Trademark: DERBOSTEEL
  • Origin: China
Product Description
Product: Cold Rolled/Cold Drawn Seamless Precision Steel Tube

1. Commodity: Cold rolled seamless precision steel tube
2. Standard&material: ASTM A519 SAE1010, SAE1020, SAE1035, SAE1045, SAE4130, SAE4140, DIN2391-2 ST35, ST45, ST52, EN10305-1 E215, E235, E355, C35E, C45E, 42CrMo4, etc.
3. Size range: 40mm*30mm-120mm*110mm
4. Manufacture process: Cold rolled/Cold Drawn
5. Delivery condition: Stated below.
6. Marking, surface anti-rust protection, end-protection methods to be confirmed.
7. Packing: To be confirmed. Our standard packing will be hexagonal bundle packing tied with steel strips.
8. Port of loading: Shanghai Port, China.
9. Other equivalent international standard&material can be negotiated for production⊃ply.
10. Tubes with specif requirements about sizes&size tolerance, mechanical properties, surface roughness can be negotiated for production⊃ply...

+C +LC +SR +A +N
BK BKW BKS GBK NBK
Cold-drawn/hardCold drawn/softStress relievingannealedNormalized.
Chemical composition
Item Grade Chemical composition.%
C max Si max Mn  Pmax S max
St35/E35 1.0308 0.17 0.35 ≥0.40 0.025 0.025
St45 1.0408 0.21 0.35 ≥0.40 0.025 0.025
St52/E355 1.0508 0.22 0.55 ≤1.60 0.025 0.025
The following alloying may be added:Nb≤0.03%,Ti≤0.03%,V≤0.05%,Nb+TI+v≤0.05%
Mechanical properties
Category Delivery state minimum value
 
item grade Gold finished (hard)(BK) Gold finished (SOFT)(BKW) Gold finished and stress-relieved(BKS) annealed(GBK) normalized(NBK)
Rm Mpa A% Rm Mpa A% Rm Mpa ReH Mpa A% Rm Mpa A% Rm Mpa ReH A%
1 St35/E235 480 6 420 10 420 315 14 315 25 340~470 235 25
2 St45 580 5 520 8 520 375 12 390 21 440~570 255 21
3 St52/E355 640 4 580 7 580 450f 10 450 22 490~630 355 22
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