China wholesale Alloy Pipe P11 - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe
China wholesale Alloy Pipe P11 - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe Detail:
Overview
Application
Seamless steel pipe for coal mine is mainly used to manufacture seamless pipe for hydraulic prop in coal mine.
Main Grade
Grade of high-quality carbon structural steel: 20#、35#
Chemical Component
| C | Si | Mn | Nb | RE | Cr | Ni | Cu | Mo | P | S | |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 一 | 一 | <0. 25 | <0. 25 | <0. 20 | 一 | <0. 035 | <0. 035 |
| 35 | 0.32-0.39 | 0.17—0. 37 | 0. 50一0.8 | 一 | 一 | <0. 25 | <0. 25 | <0. 20 | 一 | <0. 035 | <0. 035 |
| 45 | 0.42-0.50 | 0.17 一0. 37 | 0.50 一0.8 | 一 | 一 | <0. 25 | WO. 25 | WO. 20 | 一 | <0. 035 | <0. 035 |
| 27SiMn | 0.24-0.32 | 1.10 一1.4 | 1.10 一1.4 | 一 | 一 | W0. 30 | <0.30 | <0. 20 | <0.15 | <0. 035 | <0. 035 |
| 30MnNbREa | 0.27-0.36 | 0. 20一0. 60 | 1.20 一1. 60 | 0.020一0. 050 | 0. 02一0. 04 | <0.30 | <0.30 | <0. 20 | <0.15 | <0. 035 | <0. 035 |
| a The content of re is calculated as 0.02% ~ 0.04% added to the molten steel. | |||||||||||
Mechanical Property
| Mechanical Property | |||||||
| Grade | Tensile strength | Yield | Elong after fracture | Reduction of area | Shork absorption energy （KV2）/J | ||
| Rm/MPa | MPa | A/% | Z/% | ||||
| Steel tube wall thickness/mm | |||||||
| <16 | >16 〜30 | >30 | |||||
| no more less | |||||||
| 20 | 410 | 245 | 235 | 225 | 20 | — | |
| 35 | 510 | 305 | 295 | 285 | 17 | — | — |
| 45 | 590 | 335 | 325 | 315 | 14 | — | — |
| 27SiMn | 980 | 835 | 12 | 40 | 39 | ||
| 30MnNbRE | 850 | 720 | 13 | 45 | 48 | ||
Test Requirement
In addition to ensuring the chemical composition and mechanical properties, the steel pipe directly rolled with ingot shall be subject to low power inspection.
Supply Ability
Supply Ability: 2000 Tons Per Month Per Grade of Seamless steel tubes for coal mining.
Packaging
In Bundles And In Strong Wooden Box
Delivery
7-14 days if in stock, 30-45 days to produce
Payment
30% depsoit, 70% L/C or B/L copy or 100% L/C at sight
Product Detail
mechanical/Chemical&Fertilizer Pipes
GB/T8162-2008
ASTM_A519-2006
BS EN 10210-1-2006
ASTM A53A53M-2012
GB9948-2006
GB6479-2013
GB/T 17396-2009
Product detail pictures:
Related Product Guide:
Our rewards are lower costs,dynamic profits team,specialised QC,potent factories,high-quality services for China wholesale Alloy Pipe P11 - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe , The product will supply to all over the world, such as: Oman, Bangladesh, Senegal, If you need to have any of our merchandise, or have other items to be produced, make sure you send us your inquiries, samples or in depth drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.
By Eileen from Cannes - 2017.09.30 16:36
Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
By Edward from Belgium - 2017.01.28 19:59
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