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JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger

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JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger

Brand Name : TORICH

Model Number : JIS G3461

Certification : ISO9001

Place of Origin : Zhejiang, China

MOQ : 5 ton

Price : Negotiation

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 30000 Ton/Year

Delivery Time : 20 days

Packaging Details : Packing in wooden, hexagonal box or other seaworthy ways

Produce name : TORICH JIS G 3461 Seamless Carbon Steel U Bend Tube For Boiler / Heat Exchanger

Color : Black

Material : Carbon Steel Tube

Technique : Cold Drawing

Shape : Round

OD : 10mm-120mm

WT : 0.5-50mm

length : 1-12m

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JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger


JIS G 3461 Seamless carbon Steel tubes for boiler and heat exchanger
Size range:OD 5-420mm*WT0.5-50mm
Length: 12000m below, or upon customer's requests.
Application:for boiler and heat exchanger

CHEMICAL COMPOSITION % max
Steel gradeCSiMnPS
STB 3400.180.350.30-0.600.350.35
STB 4100.320.350.30-0.800.350.35
STB 5100.250.351.00-1.500.350.35
Remark:
1. When the purchaser requires product analysis,the permissible deviation for the values given above shall be as specified in the Table in JIS G 032 for the seamless steel tube and likewise in Table 1 (as JIS G 3461)for the electric resistance welded steel tube.
2.Where required by the purchaser,Si may be designated as 0.1-0.35%

MECHANICAL PROPERTIES min
Steel gradeTensile strength MpaYeild point or proof stress MpaElongation %
STB 34034017535
STB 41041025525
STB 51051029525

Hardness
Steel gradeRockwell hardness HRB(Mean value of three points)
STB 34077max
STB 41079max
STB 51092max

Heat Treatment (Applicable till the end of 1990)
Steel GradeHeat Treatment
Hot finished seamless steel tubeCold finished seamless steel tubeElectric resistance welded steel tube other than hot finished or cold finished steel tubeFinished electric resistance welded steel tubeFold finished electric resistance welded steel tube
STB 340As manufactured, as required, low temperature annealing or normalizing may be performedlow temperature annealing, normalizing or full annealingnormalizingAs manufactured, However, as required ,low temperature annealing or normalizing may be performednormalizing
STB 410As manufactured, However, as required, low temperature annealing or normalizing may be performedlow temperature annealing, normalizing or full annealingnormalizinglow temperature annealing
STB 510normalizing


Please specify the delivery condition and heat treatment requirement when sending the enquiry.
JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat ExchangerJIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger

QUALITY CONTROL

1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

























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