AISI4140 best quality precision seamless steel pipe used for drill rod

Product Name

Standard:

DIN 2391 ,ASTM A519 ,ASTM A106,EN 10305

Production according to customer requirements

Outer Diameter:

30mm-250mm

Wall Thickness:

2mm-30mm

Length:

according to clients’ requirement

Tolerance:

H8-H10

Surface:

According to the customer’s acquirement

Outside Coating:

oil, as per required by customer

Test/Inspection:

Ultrasonic test ; Hydrostatic test ,eddy current ,mechanical property test

Payment terms:

T/T,L/C

Price terms:

FOB,CIF

Package:

Standard export seaworthy package or as required.

Delivery time:

25days

Place of origin :

China

Port :

Yantai/qingdao

Market:

South America, Asia, Africa, Mid East,

Productive technology:

cold rolled, cold-drawing, hot piercing

Min Order Quantity:

Normally 5 Ton or according to customer's requirement.

Production Capacity:

500tons /month

Ends:

plain end or beveled end with cap or steel rings,thread with couplings or sockets,plastic bags, wooden boxes if required

Certificate:

ISO9001-2008

Steel Grade:

10#-45#,st35-st52,q345,25Mn

Qualification:

Independent import and export qualifications

Others:

1.Special design available according to requirement;

2.Anti-corrosion and high-temperature resistant with black painting;

3.All the production process are made under the ISO9001:2008 strictly.

4.We have professional pipe fittings and steel pipes production equipment in China, all of products are produced by ourself, so we can give you BEST price with BEST quality, hope we will co-operate with each other based on mutual benefits.

5. best Raw material

6.Abundant stock and prompt delivery

7.Rich supply and export experience, sincere service

8.Reliable forwarder, 2-hour away from port.

40*50

90*110

140*170

190*215

40*55

95*110

145*170

190*220

50*60

95*115

150*170

190*225

50*65

100*110

150*175

200*220

55*70

100*114

150*180

200*225

60*70

100*115

155*180

200*230

60*75

100*120

160*175

200*245

60*78

100*125

160*180

200*250

63*73

105*125

160*185

220*250

63*75

110*125

160*190

220*270

63*76

110*130

160*195

225*250

63*78

115*130

165*190

240*273

65*80

115*135

165*205

250*290

70*80

120*140

170*200

250*300

70*82

125*140

180*200

260*300

70*85

125*145

180*205

280*323

70*90

125*150

180*210

280*355

75*90

130*150

180*215

300*350

80*92

130*155

180*220

200*213

80*95

130*160

185*205

200*216

80*100

135*160

185*215

250*266

85*100

140*160

185*220

90*105

140*165

190*210

ID size

ID deviation (mm)

H7

H8

H9

H10

30

+0.021

0

+0.033

0

+0.052

0

+0.084

0

>30~50

+0.025

0

+0.039

0

+0.062

0

+0.100

0

>50~80

+0.030

0

+0.046

0

+0.074

0

+0.120

0

>80~120

+0.035

0

+0.054

0

+0.087

0

+0.140

0

>120~180

+0.040

0

+0.063

0

+0.100

0

+0.160

0

>180~250

+0.046

0

+0.072

0

+0.115

0

+0.185

0

>250~315

+0.052

0

+0.081

0

+0.130

0

+0.210

0

>315~400

+0.0527

0

+0.089

0

+0.140

0

+0.230

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination 

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT) 

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test  (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.