| PRODUCT PARAMETERS |
| material |
Carbon steel :10#, 20#,35#,45#,S45C, 55#,Q235B, Q235C, Q345D, CF53,A105 |
| Alloy steel: 16 mn (Q345B), 20 cr, 40 cr, 15 crmo, 20 crmo, 28 crmo, 30 crmo, 35 crmo, 42 crmo, 4130414, 20 CrMnTi, 40 mnmov, 20 mn2, 37 mn5, ZF6, 16 mncr5, 20 newsun focus r5,36Mn2V,38Mn2V, 20Mn2,65Mn,15Mo3,St52 |
| Other: Special materials can be customized |
| Production range |
Outer diameter: 10-120mm
Wall thickness: 1.2-20mm
Length: Optional variable size, fixed size, double size, full size |
| Steel pipe testing equipment |
Tensile testing machine, Rockwell hardness machine, Eddy current testing, chemical composition testing instrument, magnetic powder flaw detection instrument, full phase analysis instrument, surface roughness measuring instrument, outer diameter micrometer, wall thickness micrometer, inner diameter dial indicator, vernier caliper |
chemical component
| brand |
Chemical composition (mass fraction) (%) |
| C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
V |
| 16Mn |
0.12-0.20 |
0.20-0.60 |
1.20-1.60 |
0.03 |
0.03 |
- |
- |
- |
| brand |
Tensile strength MPa |
Yield point MPa |
Elongation (%) |
| 16Mn |
490-670 |
320 |
21 |
Tolerance range
| Outer diameter tolerance of steel pipe: |
| Type of steel pipe |
Outer diameter tolerance,mm |
| Hot rolled (expanded) steel pipe |
±1%D or ±0.5, which is larger |
| Cold drawn (expanded) steel pipe |
±0.75%D or ±0.3, which is larger |
| Wall thickness tolerance of hot rolled (expanded) steel pipe: |
| Type of steel pipe |
Outer diameter of steel pipe D |
S/D |
Wall thickness tolerance, mm |
| Hot rolled steel pipe |
≤102 |
- |
±12.5%S or ±0.4, larger |
| >102 |
≤0.05 |
±15%S or ±0.4, larger |
| >0.05-0.10 |
±12.5%S or ±0.4, larger |
| >0.10 |
+12.5%S |
| -10%S |
| Hot expanded steel pipe |
- |
+17.5%S |
| -12.5%S |
| Wall thickness tolerance of cold-drawn (rolled) steel pipe: |
| Steel pipe wall thickness S |
Wall thickness tolerance, mm |
| ≤3 |
+15%S,-10%S or ±0.15, which is larger |
| >3-10 |
+12.5%S ,-10%S |
| >10 |
±10%S |
specification
| Theoretical weight scale |
| Outside diameter (mm) |
Wall thickness (mm) |
| 16mm |
17mm |
18mm |
19mm |
20mm |
22mm |
24mm |
25mm |
26mm |
28mm |
| Theoretical weight (kg/m) |
| 102mm |
33.93 |
35.64 |
37.29 |
38.89 |
40.44 |
43.4 |
46.17 |
47.47 |
48.72 |
51.09 |
| 108mm |
36.3 |
38.15 |
39.95 |
41.7 |
43.4 |
46.66 |
49.72 |
51.17 |
52.58 |
55.24 |
| 114mm |
38.67 |
40.67 |
42.62 |
44.51 |
46.36 |
49.91 |
53.27 |
54.87 |
56.43 |
59.38 |
| 121mm |
41.43 |
43.6 |
45.72 |
47.79 |
49.82 |
53.71 |
57.41 |
59.19 |
60.91 |
64.22 |
| 127mm |
43.8 |
46.12 |
48.39 |
50.61 |
52.78 |
56.97 |
60.96 |
62.89 |
64.76 |
68.36 |
| 133mm |
46.17 |
48.63 |
51.05 |
53.42 |
55.73 |
60.22 |
64.51 |
66.59 |
68.61 |
72.5 |
| 140mm |
48.93 |
51.57 |
54.16 |
56.7 |
59.19 |
64.02 |
68.66 |
70.9 |
73.1 |
77.34 |
| 146mm |
51.3 |
54.08 |
56.82 |
59.51 |
62.15 |
67.27 |
72.21 |
74.6 |
76.94 |
81.48 |
| 152mm |
53.66 |
56.6 |
59.48 |
62.32 |
65.11 |
70.59 |
75.76 |
78.3 |
80.79 |
85.62 |
| 159mm |
56.43 |
59.53 |
62.59 |
65.6 |
68.56 |
74.33 |
79.9 |
82.62 |
85.28 |
90.46 |
| 168mm |
59.98 |
63.31 |
66.59 |
69.82 |
73 |
79.21 |
85.23 |
88.16 |
91.05 |
96.67 |
| 180mm |
64.71 |
68.34 |
71.91 |
75.44 |
78.92 |
85.72 |
92.33 |
95.56 |
98.74 |
104.96 |
| 194mm |
70.24 |
74.21 |
78.13 |
82 |
85.28 |
93.32 |
100.62 |
104.19 |
107.72 |
114.63 |
| 203mm |
73.78 |
77.97 |
82.12 |
86.21 |
90.26 |
98.2 |
105.94 |
109.74 |
113.49 |
120.83 |
| 219mm |
80.1 |
84.69 |
89.23 |
93.71 |
98.15 |
106.88 |
115.42 |
119.61 |
123.75 |
131.89 |
| 245mm |
90.36 |
95.59 |
100.77 |
105.9 |
110.98 |
120.99 |
130.8 |
135.64 |
140.42 |
149.84 |
| 273mm |
101.41 |
107.33 |
113.2 |
119.02 |
124.79 |
136.18 |
147.38 |
152.9 |
158.38 |
169.18 |
Detailed Photos
Company Profile
Shandong Chuangxian New Materials Co., Ltd. is an import and export group company integrating production and sales. The company and its subsidiaries are equipped with a number of international advanced production lines. More than 10 years of experience in the steel industry. At the same time, the company's annual reserve of more than 100, 000 tons, to ensure short-term delivery.
Chuangxian brand is a Shandong trademark. The company and the group produce seamless steel pipe, cast iron pipe, steel bar, I steel, galvanized coil, corrugated board, stainless steel plate and other products. Production, inspection, service and management system with ISO9001: 2008 and ISO14001: 2004 dual certification guarantees. It is not only popular in the domestic market, but also exported to overseas markets. Products are exported to North America, South America, Africa, Southeast Asia, Europe, Oceania and other parts of the world.
We sincerely welcome customers at home and abroad to visit us, seek common development and create brilliant future together!
Customer visits and payments
Customer feedback
FAQ
1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be the most suitable supplier for you.
2. Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
3. Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also available.
4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earlist vessel and professional service.
5. Q: How long is your delivery time?
A: Generally it is 7days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for delivery.
6. Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.
7. Q: What is your after-sale service?
A: We provide after-sale service and offer 100% guarantee on our products.
8. Q: What is your MOQ?
A: 2 Ton
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