Factory Cheap Hot Thick Wall Seamless - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe
Factory Cheap Hot Thick Wall Seamless - 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 advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for Factory Cheap Hot Thick Wall Seamless - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe , The product will supply to all over the world, such as: Croatia, Poland, Tanzania, Ought to any of these products be of curiosity to you, remember to allow us to know. We are going to be satisfied to give you a quotation on receipt of one's in depth specs. We've our private experienced R&D enginners to meet any of one's requriements, We appear forward to receiving your enquires soon'and hope to have the opportunity to work together with you in the future. Welcome to check out our company.
By Novia from Bahrain - 2017.01.28 19:59
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
By Donna from UAE - 2017.03.28 12:22
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