alloy structural steel 30Mn2 1330 SM433 28Mn6 30T2

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alloy structural steel 30Mn2 1330 SM433 28Mn6 30T2
Posting date : Feb 18, 2013
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72-
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1.chemical composition   C:0.27~0.34   Si:0.17~0.37   Mn:1.40~1.80 2.Cold deformation and plastic medium, cutting and welding can be, but need to be preheated before welding parts to above 200 ℃.Drawing and cold forging and heat treatment process of good performance, high hardenability, In the critical quenching oil through the diameter of 6.5 ~ 18mm, the quenching deformation is small, but the existence of sensitivity and temper brittleness, decarbonization overheat.The quenched and tempered steel with strength, toughness and high wear resistance, and And the static strength and fatigue strength are also good. 3. Delivery Time : 7-15days after receiving advanced payment 4. Packaging Detail: under requirement 5.Supplying Ability:800TON/Month 6. Place of Origin:china 7. Minimum Order Quantity:20tons easy for container loading 8. Payment Type: T/T L/C

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