Specifications

1.precision pipe ID30-250mm Wt 2-30mm
2.Top quality
3.Golden supplier
4.OEM Acceptable
5.MOQ:20MT

Product Name:precision pipe ID30-250mm Wt 2-30mm 

1.ID:30mm-250mm

2.WT:2mm-30mm

3.Good supplier,perfect steel

4. High quality,high precision, favorable price, good after-sale service

 

Precision Steel Tube Specifications

 1. Commodity: Cold drawn precision seamless steel tube
2. Standard&material: DIN2391-2 ST35, ST45, ST52, EN10305-1 E215, E235, E355, C35E, C45E, 25CrMo4, 42CrMo4, ASTM A519 SAE1010, SAE1020, SAE1035, SAE1045, SAE4130, SAE4140, etc.
3. Size range: OD:30-250mm   WT:2-30mm

4. Manufacture process: Cold drawn
5. Delivery condition: Cold drawn/hard, cold drawn/soft, stress relieving, annealing, normalizing.
6. Packing: In bundles tied with steel strips.
7. Surface treatment: Oil coating, varnish, end plastic caps, marking to be confirmed.
8. End finish: Plain end with square cuts or bevelled end.

 

Suitable for hydraulic cylinder tubes,honing or skiving and roller burnishing cylinder tubes

 

Dimensions tolerance

Grade	OD(mm)	ID (mm)	Tolerance
			OD (mm)	ID (mm)	Wall thickness deviation (mm)	Ovality (mm)	Curvature(mm/m)
astm a 106 gr b	40-74	30-65	±.01	-0.3,-0.5	≤0.5	≤0.1	0.3
	74-98	65-85	±.01	-0.4,-0.6	≤0.5	≤0.15	0.3
	100-116	85-100	±.02	-0.4,-0.6	≤0.6	≤0.15	0.3
	124-134	110-115	±.02	-0.6,-0.8	≤0.6	≤0.20	0.3
	140-158	120-135	±.02	-0.7,-0.9	≤0.8	≤0.20	0.3
	165-176	140-150	±.02	-0.7,-0.9	≤0.8	≤0.20	0.3
	188-203	160-180	±.02	-0.7,-0.9 Honed	≤0.8	≤0.20	0.3

 

 

Mechanical properties

• Tensile strength:≥520Mpa
• Yield strength :≥375Mpa
• Elongation :>15%
• Hardness :HRB>85
• Supply condition:BKS(+SR)

Delivey conditions:

• Standard packing with plastic caps and strapped bundes.,standard weight approx 1500kg
• Commercial length 2000~10500mm,custom lengths upon request
• Surface protection

 

Production Process:

• Pretreatment : Pickling­—Phosphating—Saponification

 

• Cold drawn/cold rolled

• Annealing furnace——+SR

• Straightener—— Straightening

•  Straightness inspecting

• Dimension inspecting

  

• Sawing

 

• Lathe

• Polishing

• Products inspecting

• Finished Products

 

 

 

About our service:

 

1.cargo track service during transporting and feedback service after cargo is loaded on board

 

2.flexible terms of payment by T/T Or L/C

 

3.big discount for repeat customers

 

4.smooth delivering procedure

 

 

RFQ: 

 

Q1.What do you want to purchase ?

 

What we can offer are cold drawn seamless tubes,cold drawn welded tubes (DOM tubes)

 

 

Q2.Do you have the target price ?

 

Generally ,we have the target price when we buy something ,which is good for both supplier and

 

customer ,at the same time ,the target price should be objective ,reflecting the market.

 

 

Q3.What factors have an effect on the price ?

 

1 The market. our price rise and fall accompany with the market

 

2 The material and the grade .Different materials sometimes mean hundreds dollars.

 

3 The sizes. generally ,the thinner is more expensive because of the manufacture difficulty

Any Futher Question, please feel free to contact us!