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SHANGHAI UNITE STEEL

City:shanghai

Province/State:shanghai

Country/Region:china

Contact Person:MrEric

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Diameter 0.50mm - 500mm Forged Steel Round Bars / Structural Steel Bars For Ship Vehicle

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Brand Name :UST

Model Number :10-1000

Certification :ISO 9001 2008

Place of Origin :CHINA

MOQ :5 TONS

Payment Terms :L/C, T/T

Supply Ability :1000 Metric Tons per Month

Delivery Time :4-6 work days

Packaging Details :In standard export packing and seaworthy material with rectangular shape bundle, covered with tarpaulin, in ontainers or in bulk, or upon request

Application :Structural Steel Bar,mold steel,Die Steel Bar

Technique :Hot Rolled,Forged,Cold Drawn,seamless,Cold Drawn Hot Rolled Forged

Standard :AISI,ASTM,GB,DIN,JIS

Delivery condition :Annealed,Hot Forged +Rough Machined (black Surface,Finish Machining,forged +Rough machined (black surface after Q/T)+ Turned (optional),Hot Forged +A/N/QT

Tolerance :+_0.1MM,H9 or K11,0/+1mm,0/+2mm for size

Shape :Round Section,flat,square,column shape,round bar

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GOST-(14X2H3MA) Steel Bar, Diameter: 0-1 & 1-2 inch

TECHNICAL SPECIFICATION: TOCT 4543 - 1971
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: alloy structural steel Cr - Ni - Mo type
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.12 ~ 0.17
Si (％): 0.17 ~ 0.37
Mn (％): 0.30 ~ 0.60
P (％) ≤: 0.025
S (％) ≤: 0.025
Cr (％): 1.50 ~ 1.75
Ni (％): 2.75 ~ 3.15
Mo (％): 0.20 ~ 0.30

Cu (%): ≤ 0.30

MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Hot working temperarture: 1150 ~ 850 Deg.

Heat treatment: Quenching 880 Deg. oil cooling

Tempering 180 air cooling
Tensile strength,σb/≥ MPa: 980
Yield strength, σ0.2/≥ MPa: 883
Elongation, δ ≥(％): 10.0
Reduction of area, ф ≥ (％): 45.0

Impact, AK (J/cm2): 78
Annealed hardness | HBW: 269

TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rods
Mechanical parts - connecting rods, bolts and nuts
Multidiameter shafts
OFFERING FORMS AND SHAPES
Round bar (Diameter): 0.50mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.

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