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GB-T14976 Stainless Steel Pipe
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Steel Pipe
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GB-T14976 0Cr18Ni9 Stainless Steel Seamless Pipe
Standard:GB-T14976
GB-T14976 0Cr18Ni9 steel pipe applies to stainless steel seamless pipe for fluid transportation
GB-T14976 0Cr18Ni9 Stainless Steel Seamless Pipe Quick Details
Product Name：Stainless Seamless Steel Pipe
Company Name: beite steel pipe( China)
Outside Diameter：21mm——219mm
Wall thickness：3mm——15mm
Length：Hot rolled steel pipe: 2 000 mm~12 000 mm;Cold drawn steel pipe: 1 000 mm to 10 500 mm.
Port of Shipment：Tianjin,China
Payment：L/C or T/T
Delivery: 7-15 days after payment
FOB Price: US $1521-3600 / Ton | 1 Ton/Tons (Min. Order)
Package：Standard export package,suit for all kinds of transport, or as required
Manufacture
Steel pipes are divided into two categories according to product processing methods.
The categories and codes are: hot rolled steel pipes (WH) and cold drawn steel pipes (WC).
Chemical composition of GB-T14976 0Cr18Ni9
| Standard |
Grade |
Chemical composition |
||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
||
|
≤ |
||||||||
|
GB/T14976 |
0Cr18Ni9 |
0.07 |
1.00 |
2.00 |
0.035 |
0.30 |
8.00～11.00 |
17.00～19.00 |
Mechanical properties of GB-T14976 0Cr18Ni9
| Standard | Grade |
Tensile strength(MPa) |
Yield Strength(MPa) |
Elongation(%) |
|
≥ |
||||
|
GB/T14976 |
0Cr18Ni9 |
520 |
205 |
35 |
Dimension tolerance
Outer diameter and wall thickness tolerance of GB-T14976 0Cr18Ni9 Stainless Steel Seamless Pipe
| Hot rolled steel pipe | Cold drawn steel pipe | ||||||
| Size/mm | Tolerance /mm | Size /mm | Tolerance /mm | ||||
| PA | PC | PA | PC | ||||
| OD | 68 ≤ OD ≤ 159 | ± 1.25 | ± 1 | OD | 6 ≤ OD < 10 | ± 0.20 | ± 0.15 |
| 10 ≤ OD ≤ 30 | ± 0.30 | ± 0.20 | |||||
| 159<OD ≤ 426 | ± 1.5 | 30<OD ≤ 50 | ± 0.40 | ± 0.30 | |||
| OD>5 | ± 0.9% | 0.8% | |||||
| ±WT | <15 | +15 -12.5 |
± 12.5 |
WT | ≤ 3 | ± 14% |
+12% -10% |
| ≥ 15 | +20 -15 |
>3 | +12% -10% |
± 10% | |||
Tip shape
The end faces of the steel pipe should be perpendicular to the axis of the steel pipe and the burrs are removed.
Items of Testing
Hydraulic test:
The steel pipe shall be hydraulically tested one by one.
Flattening test:
Steel tubes with a wall thickness of not more than 10 mm shall be subjected to a flattening test
Flaring test:
A steel pipe having a wall thickness of less than or equal to 10 mm can be subjected to a flare test.
Intergranular corrosion test:
Austenitic and austenitic-ferritic steel tubes can be tested for intergranular corrosion.
Use:
Used in mechanical structures, fluid pipes, boiler superheaters, heat exchangers, condensers, catalytic tubes, etc.
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