PRODUCT LIST-------- PROCESSING

NUMBER
PRODUCT NAME
PRODUCT SIZE(MM)
STEEL GRADE
STANDARD
OUTER DIAMETER X WALL THICKNESS(MM)
1
Seamless steel tubes for low and medium pressure
10-219 X 1.5-40.0
10、20
GB 3087-1999
2
Seamless steel tubes and pipes for high pressure boiler
10-219 X 2.0-40.0
20G、15CrMoG 12Cr1MoVG
GB 5310-1995
3
Seamless steel tubes for structural purpose
10-219 X 1.0-40.0
10、20、35、45、40Cr、Q345、35CrMo、27SiMn
GB/T 8162-1999
4
Seamless steel tubes for liquid service
10-219 X 1.0-40.0
10、20、Q295、Q345
GB/T 8163-1999
5
Seamless steel tubes for pertroleam cracking
10-219 X 1.0-16.0
10、20G、15CrMo、12CrMo
GB/T9948-88
6
Seamless steel tubes for hydraulic pillar service
68-219 X 6.0-32.0
27SiMn、30MnNbRe
GB/T 17396-1998
7
Seamless steel tubes for high-pressure for chemical fertlilzer equipment
14-219 X 1.0-40.0
10、20G、16Mn、15MnV、12CrMo、15CrMo
GB 6479-2000
8
Seamless steel tubes and pipes for tubing
48.26-114.3 X 4.83-12.70
J55、K55、N80-1、N80-Q、 L80-1、L80-13Cr、P110
API Spec 5CT
9
Seamless steel tubes and pipes for coupling stock of tubing
57-142 X 8.5 - 16
J55、K55、N80-1、N80-Q、L80-1、P110
API Spec 5CT
10
Seamless steel pipes for casing
114.30-219.08 X 5.21-22.22
J55、K55、N80-1、N80-Q、L80-1、P110
API Spec 5CT
11
Seamless steel pipes for coupling stock of casing
127-194 X 12.5-16
J55、K55、N80-1、N80-Q、L80-1、P110
API Spec 5CT
12
Seamless steel tubes for automotive axle housing
76-121 X 7.0-15.0
320、360、410、460、490
YB/T 5035-1996
13
Carbon and carbon-manganese steel seamless steel tubes and pipes for ship
10-219 X 1.5-20.0
320、360、410、460、490
GB/T 5312-1999
14
Seamless steel tubes for perforating gun oil and gas well
73-127 X 5.51-12.70
J55、N80
API Spec 5CT
15
Seamless steel tubes for hollow sucker rod
28-51 X 4.0-6.50
20CrMo、35CrMo
Q/YB 3122-95
16
Seamless steel tubes for gas cylinder
60-219 X 3.5-7.0
37Mn、34Mn2V、30CrMo、 35CrMo
GB18248-2000
17
Seamless steel tubes for perforating gun oil and gas well
88.9-127 X 6.45-12.70
N80、P110
API SPEC 5CT
18
Seamless steel tubes for petroleum drill pipe
60.3-139.7 X 7.11-12.70
E、X、G、S

API SPEC 5D
19
Seamless steel pipes for coupling stock of line pipe
10.3-219.1 X 1.7-20.6
A25、A、B、X42、X46、X52、X56

API SPEC 5L
20
Seamless steel pipes for line pipe
14.3 187.7 X 2-16
A25、A、B、X42、X46、X52、X56

API SPEC 5L
21
Seamless steel pipe for bearing
89-219 X 6-35
GCr15

GB8162-1999
22
vEHICLE-BRIDGE
16-219 X 3-25
45Mh2

ASTM A106
23
Titanium pipe
130-260
Ti

ASTM B336　 　GB/T 3625-2007
24
Precisely drawn seamless steel pipes for submersible motor
30.6 X 10
40Cr

Q/12YB3095-2003
25
Carbon-steel seamless tubes and pipes for high temperature operation
10-219 X 1.5-40
20

ASTM A106
26
Ferrite and Austenite alloy steel seamless steel pipes for boiler, superheater and heat exchanger
10-217 X 1.5-12.7
T2、T12、T22

ASTM A213/A213M

27
Carbon-steel and alloy steel seamless steel tubes and pipes for mechanical engineering
10-219 X 1.5-40
1010、1020、1035、1045

ASTM A519

28
Carbon-steel seamless steel tubes and pipes for high pressure boiler
12.7 - 177.8 X 2.2 - 25.4
12CrMoVG、20G、15CrMoG

ASTM A192/A192M

 

SIZE FOR API 5CT CASING PIPE

SIZES(IN)
QUTSIDE DIAMETER(MM)
WALL THICKNESS(MM)
COUPLING OD(MM)
LENGTH FOR COUPLING(MM)
ROUND THREAD、BUTTRESS THREAD STD COUPLING
SPECIAL CLEARANCE FOR BUTTRESS THREAD
SHORT ROUND THREAD COUPLING S
LONG ROUND THREAD COUPLING L
BUTTRESS THREAD COUPLING B
4-1/2
114.30
5.69、6.35、7.37、8.65
127.00
123.82
158.75
177.80
225.42
5
127.00
5.59、6.43、7.52、9.19 11.10、12.14、12.7
141.30
136.52
165.10
196.85
231.78
5-1/2
139.70
6.20、6.9、 7.72、9.17、10.54
153.67
149.22
171.45
203.20
234.95
6-5/8
168.28
7.32、8.94、10.59、12.06
187.71
177.80
184.15
222.25
244.48
7
177.80
6.91、8.05、9.19、10.36 11.51、12.65、13.72
194.46
187.32
184.15
228.60
254.00
7-5/8
193.68
8.33、9.52、10.92、12.70 14.27、15.11、15.88
215.90
206.38
190.50
234.95
263.52
8-5/8
219.08
6.71、7.72、8.9、10.16 11.43、12.70、14.15
244.48
231.78
196.85
254.00
269.88
9-5/8
244.48
7.92、8.94、10.03、11.05 11.99、13.84、15.11
269.88
257.18
196.85
266.70
269.88
10-3/4
273.05
8.89、10.16、11.43 12.57、13.84、15.11
298.45
285.75
203.20
---
269.88
11-3/4
298.45
9.53、11.05、12.42
323.85
---
203.20
---
269.88
13-3/8
339.72
9.65、10.92、12.19、13.06
365.12
---
203.20
---
269.88

 

SIZE FOR STAINLESS STEEL PIPE

PRODUCT NAME
PRODUCT SIZE(MM)
STEEL GRADE
STANDARD
OUTER DIAMETER X WALL THICKNESS(MM)
STAINLESS STEEL PIPE
16-219 X 3 - 25
13Cr、20、304、316、319、321

 

 
MECHANICAL PROPERTY

GRADES AND MECHANICAL PROPERT FOR TUBING & CASING

GRADE
YIELD STRENGTH MPa
TENSILE STRENGTH MPa
HARDNESS MAX
MIN
MAX
HRC
HBW/HBS
J55
379
552
517
---
---
N80-1
552
758
689
---
---
N80Q
L80-1
552
655
655
23
241
L80-9Cr
L80-13Cr
C90-1
621
724
689
25.4
255
C90-2
C95
655
758
724
---
---
T95-1
655
758
724
25.4
255
T95-2
P110
758
965
862
---
---

 

CARBON ANDCARBON-MANGANESE STEEL SEAMLESS STEEL TUBES AND PIPES FOR SHIP

GRADE
TENSILE STRENGTH(MPa)
YIELD POINT(MPa)
ELONGATION(%)
−
320
320-440
195
25
360
360-480
215
24
410
410-530
235
22
460
460-580
265
21
490
490-610
285
21

 

THE MECHANICAL PROPERY OF HOT-ROLLED SEAMLESS STEEL PIPE USED IN HYDRAULIC PROPPING SUPPORTING

TRADEMARK
SPECIMEN HEAT TREATMENT SYSTEM
TENSILE STRENGTH(MPa)
YIELD STRENGTH (MPa)
ELONGATION(%)
SECTIONAL SHRINKAGE RATIO(%)
ABSORBED ENERGY(J)
STATUS OF STEEL PIPE ANNEALING SUPPLY BRINELL HARDNESS HB IS NO MORE THAN
−
20
----
400
245
20
----
----
----
35
510
305
17
45
590
335
14
27SiMn
Water-quenching temper cooling agent oil or water
980
835
12
40
39
217
30MnNbRe
Water-quenching temper cooling agent air cooling
850
720
13
45
48
----

 

THE MECHANICAL PROPERTY OF THE HIGH-PRESSURE BOILER USED IN HYDRAULIC PROPPING

NUMBER
TYPE OF STEEL
TRADEMARK
TENSILE STRENGTH (MPa)
LONGITUDINAL MECHANICAL PROPERTY
TRANSVERSE MECHANICAL PROPERTY
YIELD POINT(Mpa)
ELONGATION(%)
ABSORBED ENERGY (J)
TENSILE STRENGTH(MPa)
YIELD POINT(MPa)
ELONGATION(%)
ABSORBED ENERGY (J)
−
−
1
Quality carbon structural steels
20G
410-550
245
24
35
400
215
22
27
2
20MnG
−415
240
22
35
---
---
---
27
3
25MnG
−485
275
20
35
---
---
---
27
4
Alloy structure steels
15MoG
450-600
270
22
35
---
---
20
27
5
20MoG
−415
220
22
35
---
---
---
27
6
12CrMoG
410-560
205
21
35
---
---
---
27
7
15CrMoG
440-640
235
21
35
440
225
20
27
8
12Cr1MoVG
470-640
255
21
35
440
255
19
27

 

LONGITUDINAL MECHANICAL PROPERTY OF THE LOW-/MEDIUM-PRESSURE BOILER SEAMLESS TUBES

TRADEMARK
WALLTHICKNESS(MM)
TENSILE STRENGTH(MPa)
YIELD POINT(MPa)
ELONGATION(%)
−
10
All
335-475
195
24
200
<15
410-550
245
20
−15
225

 

LONGITUDINAL MECHANICAL PROPERTY OF THE SEAMLESS STEEL TUBES USED IN LIQUID TRANSPORT

MUMBER
TRADEMARK
TENSILE STRENGTH(MPa)
YIELD POINT(MPa)
ELONGATION AFTER BREAKING(%)
S＋16
S>16
−
1
10
335-475
205
195
24
2
20
410-550
245
235
20
3
Q295
430-610
295
285
22
4
Q345
490-665
325
315
21

 

MECHANICAL PROPERTY OF STRUCTURAL SEAMLESS TUBES WITH ALLOY

NUMBER
TRADEMARK
HEAT TREATMENT
MECHANICAL PROPERTY
STATUS OF STEEL PIPE ANNEALING SUPPLY OR HIGH TEMPERATURE TEMPER SUPPLY BRINELL HARDNESS HB
QUENCHING
TEMPERING
TENSILE STRENGTH(MPa)
YIELD POINT(MPa)
ELONGATION AFTER BREAKING(%)
≧
COOLANT
≧
COOLANT
TEH FIRST TIME QUENCHING
THE SECOND TIME QUENCHING
−
＋
1
45Mn2
840
---
water or oil
550
water or oil
885
735
10
217
2
27SiMn
920
---
water
450
water or oil
980
835
12
217
3
40Cr
850
---
oil
520
water or oil
980
785
9
207
4
15CrMo
900
---
air
650
air
440
295
22
179
5
35CrMo
850
---
oil
550
water or oil
980
835
12
229
6
12Cr1MoV
970
---
air
750
air
490
245
22
179

 

LONGITUDINAL MECHANICAL PROPERTY OF THE STRUCTURAL SEAMLESS STEEL TUBES WITH QUALITY CARBON STRUCTURAL STEELS

NUMBER
TRADEMARK
TENSILE STRENGTH
YIELD POINT(MPa)
ELONGATION AFTER BREAKING(%)
FLATENING TEST OF PLATE H(MM)
STEEL PIPE WALL THICKNESS
＋16MM
>16-30MM
>30MM
−
1
10
335
205
195
185
24
2/3D
2
20
390
245
235
225
20
2/3D
3
35
510
305
295
285
17
---
4
45
590
335
325
315
14
---

 

 

 
SEAMLESS PIPE/COMPANY PROFILE.jpg