GOST 8731-74, GOST 8732-78 St 10, 20, 09g2s Steel Pipe
China GOST 8731-74, GOST 8732-78 St 10, 20, 09g2s Steel Pipe, Find details about China GOST 8731-74 Seamless Pipe, GOST 8732-78 Seamless Pipe from GOST 8731-74, GOST 8732-78 St 10, 20, 09g2s Steel Pipe
Basic Info.
Model NO.
KM-244
Grade
10#,20#,45#,30hgsa
Secondary or Not
Non-Secondary
Special Pipe
Boiler Pipe
Alloy or Not
Not
Application
Industrial Lubricant, Oil Product
Certification
ISO BV Ce
Delivery Time
7-10 Days
Payment Term
T/T L/C
Trademark
kingmetal
Transport Package
in Bundles /Wooden Boxes or Customers′ Request
Specification
thickness: 2.77 - 52 mm
Origin
China (Mainland)
Model NO.
KM-244
Grade
10#,20#,45#,30hgsa
Secondary or Not
Non-Secondary
Special Pipe
Boiler Pipe
Alloy or Not
Not
Application
Industrial Lubricant, Oil Product
Certification
ISO BV Ce
Delivery Time
7-10 Days
Payment Term
T/T L/C
Trademark
kingmetal
Transport Package
in Bundles /Wooden Boxes or Customers′ Request
Specification
thickness: 2.77 - 52 mm
Origin
China (Mainland)
Product Desciption
GOST 10704-91 Steel Pipe Chemical Compositions
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | S | P | Cu | N |
| 08 | 0,05-0,12 | 0,17-0,37 | 0,35-0,65 | 0,15 | 0,30 | - | 0,04 | 0,035 | 0,3 | - |
| 08ps | 0,05-0,11 | 0,05-0,17 | 0,35-0,65 | 0,10 | - | 0,04 | 0,035 | - | - | 0,006 |
| 08kp | 0,05-0,12 | 0,03 | 0,25-0,50 | 0,10 | - | 0,04 | 0,035 | - | - | 0,006 |
| 10 | 0,07-0,14 | 0,17-0,37 | 0,35-0,65 | 0,15 | 0,3 | - | - | - | - | - |
| 10ps | 0,07-0,14 | 0,05-0,17 | 0,35-0,65 | 0,15 | 0,3 | - | 0,04 | 0,035 | 0,3 | - |
| 10kp | 0,07-0,14 | 0,07 | 0,35-0,65 | 0,15 | 0,3 | - | 0,04 | 0,035 | 0,3 | - |
| 15 | 0,12-0,19 | 0,17-0,37 | 0,35-0,65 | 0,25 | - | - | 0,04 | 0,035 | - | - |
| 15ps | 0,12-0,19 | 0,05-0,17 | 0,35-0,65 | 0,25 | - | - | 0,04 | 0,035 | - | 0,006 |
| 15kp | 0,12-0,19 | 0,07 | 0,25-0,50 | 0,25 | - | - | 0,04 | 0,035 | - | 0,006 |
| 20 | 0,17-0,24 | 0,17-0,37 | 0,35-0,65 | 0,25 | 0,25 | - | 0,03 | 0,025 | 0,3 | - |
| 20kp | 0,17-0,24 | 0,07 | 0,25-0,50 | 0,25 | - | - | 0,04 | 0,035 | - | - |
| 20ps | 0,17-0,24 | 0,05-0,17 | 0,35-0,65 | 0,25 | - | - | 0,04 | 0,035 | - | - |
| St3sp | 0,14-0,22 | 0,15-0,30 | 0,40-0,65 | 0,30 | - | - | 0,05 | 0,04 | - | 0,01 |
| St3ps | 0,14-0,22 | 0,05-0,15 | 0,40-0,65 | 0,30 | - | - | 0,05 | 0,04 | - | 0,01 |
| St3kp | 0,14-0,22 | 0,05 | 0,30-0,60 | 0,30 | - | - | 0,05 | 0,04 | - | 0,01 |
GOST 10704-91 Seamless Steel Pipe Mechanical Properties
| Steel Grade | Tensile Strength, N/mm2 (min) | Yield Strength, N/mm2 (min) | Elongation, % (min) |
| 08kp | 294 | 174 | 27 |
| 08, 08ps, 10kp | 314 | 196 | 25 |
| 10, 10ps, 15kp | 333 | 206 | 24 |
| St2sp, St2ps, St2kp | 333 | 206 | 24 |
| 15, 15ps, 20kp | 372 | 225 | 22 |
| St3sp, St3ps, St3kp | 372 | 225 | 22 |
| 20, 20ps | 412 | 245 | 21 |
GOST 10704 Seamless Steel Pipe Tolerance
Outside Diameter:D 12 - 30 mm: ± 0,3 mm
D 32 - 51 mm: ± 0,4 mm
D 57 - 108 mm: ± 0,8 mm
Wall Thickness:
S 0,9 - 5 mm: ± 10%
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