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25Mn mild carbon steel annealing tubes
- Qingdao or Chinese main port
- T/T
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Product Details
| Thickness | 2, 30 | Section Shape | Round | |
| Outer Diameter | 25 - 300 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Hydraulic Pipe | |
| Technique | Cold Rolled | Certification | Other, ISO9001:2000 | |
| Surface Treatment | Other, honed/smooth, According to the request of the client | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
Commodity name | Cold finished seamless steel pipe | |
Dimension | OD:30-250mm,WT:2-30mm | |
Standard: GB/T8713, GB/T3639, DIN2391, EN10305, ASTMA519, ASTMA106-2006, API 5L,etc
|
1.DIN Standard |
10#(ST37-2,ST35-8), 20#(ST42,ST45-4/8), 45#(DIN CK45), 16mn(ST52.4) etc.
|
2.JIS standard: | 10#(STPG38,STS38,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C), 45#(JIS S45C), 16mn(STS49,STPT49) etc. | |
3.ASTM/AISI standard | 10#(ASTM a106/53 Gr.B,A192,A179-C), 20#(ASTM A106/53 Gr.B, A178-C,A210-A-1, A315-B,AISI1020), 45#(AISI1045), 16mn(ASTM A210-C) etc. | |
Technique | Cold drawing, cold rolling, hot rolling or hot expanding | |
Usage | Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building, liquid service , petroleum cracking, chemical fertilizer equipment ,drawing-oil-equipment and structure purposes. | |
Package | steel strip bundles, black paint coating, beveled ends or plain | |
Payment terms | L/C or T/T(30% deposit and 70% balance against B/L copy) | |
Delivery | FOB, CIF, CFR, etc | |
Shipment | 15 working days after getting payment | |
Delivery condition:
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
2. GBK(+A)
after cold forming, annealing in non oxidizing medium protective gas
3. BK(+C)
the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee
4. BKW(+LC)
after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)
5. BKS(+SR)
have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again
ID Tolerance:
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 0 |
FAQ(Frequently Asked Questions) |
| ||||
1.Where is your factory? Our factory is located in APEC Science &Technology Industrial park, Zhifu District,Yantai,Shandong,China
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Contact Us
- Yantai Xinpeng Steel Pipe Co., Ltd.
- Contact nameJudy Gao Chat Now
- Phone0086-535-6835398
- Address2th,Binglun Road,APEC Technology Industrial Park,Zhifu District,Yantai City, Yantai, Shandong
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