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Alloy Engineering Cold Drawn Steel Tube +A Condition 42CrMo4 with Black Surface

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SHANGHAI UNITE STEEL TRADING CO., LTD
City: Shanghai
Province/State: Shanghai
Country/Region: China

Alloy Engineering Cold Drawn Steel Tube +A Condition 42CrMo4 with Black Surface

Brand Name : UST
Model Number : OD: 10-450mm; WT: 2-40mm.
Certification : ISO 9001
Place of Origin : China
MOQ : 5 tons
Price : USD 800-1800 / ton
Payment Terms : L/C, T/T
Supply Ability : 1000 ton/month
Delivery Time : Within 5-35 days after confirmation
Packaging Details : Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Process : Cold drawn, hot rolled + cold drawn
Delivery condition : BK, BKS, GBK, NBK
Surface : Smooth, black, oiled, painted...
Material : Alloy steel
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Alloy Engineering Cold Drawn Steel Tube +A Condition 42CrMo4 with Black Surface


Character

42CrMo4 steel pipe is ultra-high strength steel, with high strength and toughness, hardenability is also good, no obvious temper brittleness, quenched and tempered after a higher fatigue limit and anti-impact ability, low temperature impact toughness is good.
The steel is suitable for manufacturing large and medium-sized plastic molds requiring a certain strength and toughness.


Steel GradeChemical composition (%)Mechanical properties
CSiMnPSCrMoTensile strength (MPa)Yield strength (MPa)Elongation (%)
maxmaxmaxmaxmaxmaxmaxminminmin
42CrMo40.38-0.450.400.60-0.900.0350.0350.90-1.200.15-0.30108093012

Processing specification

Thermal processing specificationHeating temperature 1150 ~ 1200 ° C, the starting temperature 1130 ~ 1180 ° C, the termination temperature> 850 ° C, φ> 50mm, slow cooling.
Normalizing specificationNormalizing temperature 850 ~ 900 ° C, baked air cooled.
High temperature tempering specificationTempering temperature 680 ~ 700 ° C, baked air cooled.
Quenching and temperingPreheat temperature 680 ~ 700 ° C, quenching temperature 840 ~ 880 ° C, oil cooling, tempering temperature 580 ° C, water or oil cold, hardness ≤ 217HBW.

End finish

Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's

requirements


Package

1. Bundle packing.

2. Bevelled end or plain end or warnished as per buyer's required.

3. Marking: as per customer's requests.


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