4130 Seamless Alloy Steel Mechanical Tubing

Product Description

Specification Details:

1) 4130 Chemical Component Analysis(%):
C: 0.28-0.33; Mn: 0.40-0.60; Si: 0.15-0.35; S: < 0.040; P: < 0.040; Cr: 0.80 -1.10; Mo: 0.15-0.25;

2) Monthly Capacity: 5000 tons.

3) SR Condition's Mechanical Properties:

Ultimate Strength: > 724Mpa; Yield Strength: > 586Mpa; Elongation: > 10%; Rockwell Hardness B Scale: > 95;

4) Delivery Condition: Annealed(A), Bright Annealing, Normalized(N), Stress Relief Or Finish Anneal(SR), Quenched and Tempered(Q+T), etc;

5) 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

6) Inspection: Strictly according to the standard requirements and offer the original MTC (EN10204.3.1/3.1B)

7) 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;

8) Marking: All tubes are eddy current tested and are marked with size, cast number and specification. Or as per customer's requirement;

9) 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;

10) Packing Type: Round, Square, Rectangle, Hexagon. Streamline, etc;

12) Applications: Automobile and Bearing Industry, Mechanical and Structral Purpose, Hydraulic and Petrochemical Purpose, etc.

13) Place of orgin: China

Commercial Information:
1) Delicery time: (45-60) days ready at mil also according to the actual weightl;
2) Minium order: 5 Ton; ( some specification are excepted)
3) Term of payment: 30% T/T within 3 days after signing the contract, balance 70% before shipment. Or 30%T/T +70% irrepealable L/C;
4) Delivery Port: Shanghai Port;
5) Offer Validity: 5-7 Days;
6) Container: 20GP or 40GP or Bulk;
7) Manufacture methods: Cold Finished method or hot finished Method.

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