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Help Center4140 Seamless Alloy Steel Mechanical Tubing
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Specification Details:
1) 4140 Chemical Component Analysis(%):
C: 0.38-0.43; Mn: 0.75-1.00; Si: 0.15-0.35; S:
2) Monthly Capacity: 5000 tons.
3) SR Condition's Mechanical Properties:
Ultimate Strength: > 855Mpa; Yield Strength: > 689Mpa; Elongation: > 10%; Rockwell Hardness B Scale: > 100;
3) Delivery Condition: Annealed(A), Bright Annealing, Normalized(N), Stress Relief Or Finish Anneal(SR), Quenched and Tempered(Q+T), etc;
4) Surface treatment: ASTM A519-Temporary Coating, Special Coating, Galvanized, immersion oil, lacquer, passivation, phosphating,etc; Or Oil-dip paint black with two plastic caps on each end
5) Inspection: Strictly according to the standard requirements and offer the original MTC (EN10204.3.1/3.1B)
6) Relevant Test: ASTM 519-Chemical Component Analysis,Mechanical Properties(Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Flaring Test,Bending Test,Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive electric Test,Hydrostatic Test, magnetic particle testing;
4) Marking: All tubes are eddy current tested and are marked with size, cast number and specification. Or as per customer's requirement;
6) Packing: Hexagonal bundles with several steel strips, Wrapped in waterproof paper, PVC sleeve,and sackcloth with several steel strips or packed in heavy tri-wall boxes, wooden boxes, wooden slats as requires;
7) Packing Type: Round , Square, Rectangle, Hexagon. Streamline, etc;
9) Applications: Automobile and Bearing Industry, Mechanical and Structral Purpose, Hydraulic and Petrochemical Purpose, etc.
8) Place of orgin: China
Mobile: +86 138 128 775 59 -->Terry(Chief Business Executive Officer)
Email: tubesolution@sina.com
Commercial Information:
1) Delicery time: (45-60) days ready at mil also according to the actual weightl ;
2) Minium order : 3 ton : 5 Ton; ( some specification are excepted)
4) Term of payment : T/T or Irrepealable L/C at sight;
5) Delivery Port : Shanghai Port ;
6) Offer Validity : 5-7 Days ;
7) Container : 20GP or 40GP or Bulk ;
8) Manufacture methods : Cold Finished method or hot finished Method.
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