high precision small diameter sch40 seamless steel pipe

Product Item

Outer Diameter

30mm~250mm

Wall Thickness

2mm~30mm

Material Grade

10#-45#, 16Mn, Q195-Q345, ST35-ST52, STB35-STB42, 20#, 45#, 16Mn, Q345, ST35, St45, St52, St52.4, STB42, 16Mn,St52,10#-45#,ST35-ST52

Standard

ASTM, DIN, ASTM A1020-2002, DIN 2391

Application

Hydraulic Pipe, Hydraulic cylinder, automobile, oil drilling, textile machinery

Certificate

ISO9001:2008

Process Method

Cold Drawn/ Cold Rolled

Surface Finish

Annealed, Pickled

Package

According to the customer’s requirement

Delivery Time

10days more or according to the customer’s requirement

Price Item

FOB CIF EXW

Payment

T/T(30% in advance, 70% against the BL Copy) and L/C at sight or as negotiation

ID tolerance

H8,H9b H10 or as customized

Surface roughness

Ra0.2~0.8µm

Finally supply condition

BK BKS BKW NBK GBK

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

30

+0.021

0

+0.033

0

+0.052

0

>30~50

+0.025

0

+0.039

0

+0.062

0

>50~80

+0.030

0

+0.046

0

+0.074

0

>80~120

+0.035

0

+0.054

0

+0.087

0

>120~180

+0.040

0

+0.063

0

+0.100

0

>180~250

+0.046

0

+0.072

0

+0.115

0

>250~315

+0.052

0

+0.081

0

+0.130

0

>315~400

+0.0527

0

+0.089

0

+0.140

0

GB/T 8162-2008 Seamless Steel Tubes For Structural Purposes

GB/T 8163-2008 Seamless Steel Tubes For Liquid Service

ASTM A53  It is used for conveying water,petrolem,gas and other common fluids.

ASTM A106 For the purpose of the pipeline project of boiler,water&petroleum.

API SPCE 5L For the purpose of transportation of gas,water,oill in oil&gas industry.

API SPEC 5CT Tubing is used in extracting petroleum & natural gas. casing pipe serves as wall of well.

ASTM A519 Seamless carbon and alloy steel mechanical tubing

A 179/A179M cold drawn low carbon steel heat exchanger and condenser tubes

ASTM A192/A192M for manufacturer wall panel,economizer,reheater,super heater,and the steam pipeline of boilers

DIN 1629 applies to seamless circulal tubes and pipes made of unalloyed steels

DIN17175 Cold Drawn Seamless Tube For Boiler And Heat Exchanger

DIN2391 Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure