ASTM A106 Cold Drawn Carbon Seamless Schedule 80 Steel Pipe

Production

Standard

ASTM ,DIN, EN, GB, JIS, AISI ,etc.

Out Diameter

30mm-250mm

Wall Thickness

2mm-30mm

Material

10#-45#,16Mn ,st35-st52,q345,etc.

 Length

1-12m or as customers required

Surface treatment

Black painting, black varnish, transparent oil, epoxy coating, etc,  or according to the customer’s acquirement  

 Technique

Seamless ,DOM

 Usage

 1.hydraulic cylinder

 2.  automobile

 3.  oil drilling

 4.   textile machinery

 5. printing machinery

 6.  engineering machinery

 Package

 1.  Bundle packing.

 2.  Beveled end or plain end or vanished as buyer's required.

 3.  Marking: as per customer's requests.

 4.  Painting varnish coating on the pipe.

 5.  Plastic caps at ends.

 Supply

 1.  Seamless steel pipe

 2.  cold drawn seamless steel tube

 3.  cold rolled seamless steel tube

 4.  hot-rolled steel pipe

5.hydraulic cylinder steel tube

6.DOM tube

Min Order Quantity

According to customer's requirement

Payment terms

L/C, T/T, 

OD

GB/T3639(GB8713)

DIN2391(EN10305)

Our Tolerence

Best Quality

4-30mm

±0.10mm

±0.08mm

±0.05mm

±0.02mm

31-40mm

±0.15mm

±0.15mm

±0.05mm

±0.03mm

41-50mm

±0.20mm

±0.20mm

±0.05mm

±0.03mm

51-60mm

±0.25mm

±0.25mm

±0.08mm

±0.03mm

61-70mm

±0.30mm

±0.30mm

±0.10mm

±0.05mm

71-160mm

±0.30mm

±0.30mm

±0.10mm

±0.05mm

Tolerance in WT

±0.12mm

±0.10mm

±0.05mm

±0.03mm

Process

Diameter

Length

Precision

Inner Hole Roughness

Cold Rolled

30-100mm

≤12 m

H8-H10

0.4-1.6

Cold Draw

30-250mm

≤12 m

H8-H10

0.8-1.6

Honing

40-500mm

≤12 m

H8-H9

0.4-0.8

Rolling

40-400mm

≤7 m

H8

0.4

Inner Diameter

H8

H9

H10

30mm

±0.033

±0.052

±0.084

5-30mm

30-50mm

±0.039

±0.062

±0.100

±0.080

50-80mm

±0.046

±0.074

±0.120

80-120mm

±0.054

±0.087

±0.140

120-180mm

±0.063

±0.100

±0.160

180-250mm

±0.072

±0.115

±0.185

250-315mm

±0.081

±0.130

±0.210

315-400mm

±0.089

±0.140

±0.230

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