• GBT 17396 seamless carbon steel pipe for hydraulic pillar pipe

IMRI had been committed to develop hydraulic pillar pipe for coal mine system and 27SiMn product as basis for various series of pipes,which can meet domestic and international standards and meet different customer needs.We supply high quality hydraulic pillar pipes of all sizes with low price.

Specifications

Standard GB/T 17396
Steel Grade/Material 20  35  45  27SiMn  30MnNbRE
OEM service Provide
Outer Diameter(OD) 1 1/2”-28”(38mm-720mm)
Wall Thickness(WT) 2.6mm-60mm
Length 5.8-16m or OEM
Packing PE,Plastic cap or bundling
Surface Treatmengt Bare
Section Shape Round
Technique Seamless hot rolled
Application For hydraulic pillar pipe
Sour service No
Place of Origin China
MOQ 25 ton
Transportation 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port
→America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea,
Australia…(shipping)

2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”)
Khorgos port(Пограничный пункт “Хоргос”)
→East Asia, Uzbekistan,Kazakhstan,Kyrgyzstan…(Train)
Erlianhot port→Mongolia(Train and Truck)
Manchuria port→Russia(Train and Truck)

Grade Chemical Composition(%)
C Si Mn Nb RE Cr Ni Cu Mo P S
20 0.17-0.23 0.17-0.37 0.35-0.65 ≤0.25 ≤0.25 ≤0.20 ≤0.035 ≤0.035
35 0.32-0.39 0.17-0.37 0.50-0.80 ≤0.25 ≤0.25 ≤0.20 ≤0.035 ≤0.035
45 0.42-0.50 0.17-0.37 0.50-0.80 ≤0.25 ≤0.25 ≤0.20 ≤0.035 ≤0.035
27SiMn 0.24-0.32 1.10-1.40 1.10-1.40 ≤0.30 ≤0.30 ≤0.20 ≤0.15 ≤0.035 ≤0.035
30MnNbRE 0.27-0.36 0.20-0.60 1.20-1.60 0.02-0.05 0.02-0.04 ≤0.30 ≤0.30 ≤0.20 ≤0.15 ≤0.035 ≤0.035
Test methods, sampling methods and sampling quantity of steel tubes
Number Inspection items Test method Sampling method Sampling number
1 Chemical composition GB/T 223  GB/T 4336  Gb/T 20123 GB/T 20066 Take one sample per furnace
2 Tensile test GB/T 228 GB/T 2975 Take one sample from each of the two steel tubes in each batch
3 Hardness test GB/T 231.1 GB/T 2975 Take one sample from each of the two steel tubes in each batch
4 Impact test GB/T 229 GB/T 2975 Take a set of three samples from two steel tubes for each batch
5 Low tissue defect GB/T 226  GB/T 1979 GB/T 226 Each batch shall take one sample from each end of the two steel tubes corresponding to the ingot cap mouth
6 Nonmetallic inclusion GB/T 10561 GB/T 10561 Take one sample from each of the two steel tubes in each batch

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