Top quality Stainless steel seamless stainless steel pipes(round/square/rectangular/hex/oval pipe tubes)
Stainless steel pipe,stainless steel tube,also called stainless steel hollow bars.stainless steel pipe contains seamless stainless steel pipe,welded stainless steel pipe tube,centrifugal casting stainless steel pipe,coiled stainless steel pipe.
Stainless steel pipe SEAMLESS OR WELDED PIPE detailed:
| Size | Seamless pipe | OD6-813MM, |
| Wall thickness:1-150mm | ||
| Weld Pipe | OD6-2500MM, | |
| Wall thickness:1-50mm | ||
| Standard | ASTM213/312/269/376/511/789/790, GB, JIS, DIN, EN, AISI,GOST | |
| Material Grade | TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S,TP904L | |
| TP410 TP410S TP403,TP446,TP420 | ||
| S31803/S32205 S32750 S32760 | ||
| Ni-alloy N08800,08811,N08020,08825,N06625 | ||
| Titanium alloy | ||
| Process | cold drawning, cold rolling | |
| Thickness | Seamless Pipe: 1mm - 50mm | |
| Length | 5-6 m or as customers' request,Max 25 Meters Or coiled tube | |
| Tolerance | According to the Standard. | |
| Surface | Pickling, sand blast,polished | |
| Test | UT, ET, HT, RT, and others according to the standard,or as the requests of the customers | |
| Package | in seaworthy wooden cases or in bundles | |
| Certificate | ISO9001,ASME, PED,PMI,MTC supplied | |
| Delivery Time | 7-30Days, Depends on quantity | |
| Min order quantity: | 1 ton each size | |
| Stock | 304,316L,310S grade usually have stock | |
General Require of ASTMA213/M
| standard Items | ASTM A213/A213M | |||
Steel grade | TP301 TP304L TP316 TP316L TP317 TP310L TP347 TP310S TP347H△ TP310H * TP309H* TP321H△ | |||
| Rp0.2(Mpa) | ≥170 ; ≥205 | |||
| Rm(Mpa) | ≥485 ; ≥515 | |||
| A(%) | ≥35 | |||
| Flatten experiment(mm) | H=1.09t/(0.09+t/D) | |||
| flaring test | Inside diameter 21-68% | |||
| Grain size | "*"," △ "ASTM E112/ "△ "7#or above7#"*"6#or above6# | |||
hydrostatic test (Mpa) | D | Pmax | P=220.6t/D | |
| <25.4 | 7 | |||
| 25.4-<38.1 | 10 | |||
| 38.1-<50.8 | 14 | |||
| 50.8-<76.2 | 17 | |||
| 76.2-<127 | 24 | |||
| ≥127 | 31 | |||
| Crystal corrosion test | ASTM A262 | |||
| nondestructive inspection | ASTM E213 E309 E426 | |||
| Heat treatment (solid solution) | required | |||
Out-diameter tolerance(mm) | OD | TOLERANCE | ||
| <25.4 | ±0.10 | |||
| 25.4-≤38.1 | ±0.15 | |||
| >38.1-<50.8 | ±0.20 | |||
| 50.8-<63.5 | ±0.25 | |||
| 63.5-<76.2 | ±0.30 | |||
| 76.2-≤101.6 | ±0.38 | |||
| >101.6-≤190.5 | ±0.38/-0.64 | |||
| >190.5-≤228.6 | ±0.38/-1.14 | |||
Thickness tolerance(mm) | OD | TOLERANCE | ||
| ≤38.1 | +20%-0 | |||
| >38.1 | +22%-0 | |||
| straightness(mm/m) | REASONABLE | |||
| HARDNESS | HRB<90 | |||
Parts of workshop:
Features of stainless steel tubes:
1)characters such as Safety, health, environmental protection
2)economy applicable, good surface
3)the resistant to corrosion
4)less weight than bars, thickness and out diameter so variously
5)easy cutting, huge deformation
6)tensile strengthen and good be flexible etc.
Applications & Usage of seamless stainless pipe:
as Line pipe, boiler pipe, mechanical structure, hydraulic prop pipe, gas pipe, geological pipe, chemical pipe(high pressure chemical fertilizer pipe, oil cracking pipe) and tube for ships, etc
decoration,building,construction,water pipe,petroleum, chemical industry, chemical fiber, smelt, medical machinery,
paper making,Heat preservation and refrigeration, mechanical equipment, food, electricity, water conservancy,
architecture, aerospace, navigation shipbuilding, environmental protection and boiler heat exchanger
Quality Assure:
1),Basic guarantee:
Raw material guarantee,we use the Tsingshan Brand raw material,the quality is good,adding we use the spectrum direct-reading test,our professional workers &equipments,we could guarantee the tubes is right of the clients' needs.
2),Process control:
follow the process chart adding our workers' care
3),Inspection& Test
Direct-reading Spectrum Instrument analytic for chemical composition, Yield Strength, Tensile Strength, Elongation, Hardness Test, Flattening Test, Flaring Test,
Eddy Current Test, Ultrasonic Test, Hydrostatic Test, Corrosion Test, etc
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