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Alloy Steel Tube, Boiler Steel Pipe, Seamless Boiler Tube, Heat Exchange Pipe STBA22

SHANGHAI UNITE STEEL TRADING CO., LTD

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-35316960

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Alloy Steel Tube, Boiler Steel Pipe, Seamless Boiler Tube, Heat Exchange Pipe STBA22

Brand Name : UST
Model Number : OD: 25-1100mm; WT: 2-150mm
Certification : ISO 9001
Place of Origin : China
MOQ : MOQ: 5 ton
Price : USD 700- 1300/ton
Supply Ability : 1000 ton/month
Delivery Time : Within 5-35 days
Packaging Details : Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Surface : Black, smooth or bright
Length : Fixed or random length as required
Heat treatment : +A, +N, +Q, +T, Q+T
MTC : Provided
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Alloy Steel Tube, Boiler Steel Pipe, Seamless Boiler Tube, Heat Exchange Pipe STBA22


Chemical composition(%)

GradeCSiMnPSCrMo
STBA220.15 max0.50 max0.30-0.600.035 max0.035 max0.80-1.250.45-0.65

Mechanical properties

GradeTensile strength MPaYield strength MPaElongation (%)
OD: ~10OD:10~20OD: 20~
sample1sample2sample3
STBA22410 min205 min22 min25 min30 min

Material and application

The STBA22 is used to transfer high temperature outside and inside the boiler. Chrome-molybdenum steel for the material. A steel pipe at a factory or the like that requires the use of steam is necessary, but not carbon steel, but the use of such alloy steel is limited when high temperature strength is required.


Heat Treatment

In the specifications, low-temperature baking, isothermal burning, complete baking, baking after the fire, but the electric resistance welded steel pipe (welded steel pipe) is not low-temperature baking.


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