How to distinguish authenticity of alloy 42CrMo4 alloy steel material

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Q420q steel material is a kind of structural steel plate for bridges, the grades are Q420qD, Q420qE, Q420qF.
Q420q steel chemical composition: C: ≤0.11, Si: ≤0.55, Mn: 1.0-1.7, Nb: 0.01-0.09, V: 0.01-0.08, Ti: 0.006-0.03, Cr: ≤0.50, Ni: ≤0.30, Cu: ≤0.30, N : ≤0.008, Al: 0.01-0.045.
Steel delivery status: delivered in the thermomechanical rolling state, and the steel plate should be trimmed for delivery.

alloy 42CrMo4 alloy steel material, Wear-resistant steel plate has good impact resistance:
The base plate of the wear-resistant composite steel plate is tough materials such as low carbon steel, low alloy steel, or stainless steel, which reflects the superiority of bimetal. The wear-resistant layer resists the wear of the wear medium, and the substrate bears the load of the medium, so wear-resistant steel plate has good impact resistance. Wear-resistant steel plate can withstand the impact and wear of the high drop hopper in the material conveying system.

After extrusion, the alloy 42CrMo4 alloy steel material tube shall be removed for sizing. The sizing machine uses a cone-shaped bit to rotate into the steel embryo at high speed to drill holes to form steel pipes. The inner diameter of the steel pipe is determined by the outer diameter length of the drill bit of the sizing machine. After sizing, the steel pipe will enter the cooling tower and be cooled by water spray. After cooling, the steel pipe will be straightened. After straightening, the steel pipe is sent to the metal flaw detector (or hydraulic test) by the conveyor belt for internal flaw detection.

ST37-2 is a kind of low carbon steel with carbon content of 0.20%, similar to S235JR or Q235 alloy 42CrMo4 alloy steel material. It's not as strong as common ASTM A36, but it is also widely applied by everyday uses and structural applications where high strength is not so important. Equal ST37-2 angle steel size: alloy 42CrMo4 alloy steel material Size: 20 × 20 mm to 200 × 200 mm. Thickness: 3 - 35 mm. Length: 6 m, 9 m or as required. Unequal ST37-2 angle steel size: alloy 42CrMo4 alloy steel material Size: 30 × 20 mm to 250 × 90 mm. Thickness: 3 to 10 mm. Length: 6 m, 9 m, 12 m or per your request.

our company is a professional alloy 42CrMo4 alloy steel material API 5CT N80 casing pipe steel exporter and a steel Stockist in china. We keep more than 1000 tons API 5CT N80 casing pipe steel in stock every month. If you want to get the API 5CT N80 casing pipe steel price, please do not hesitate to contact us. Any need in API 5CT N80 casing pipe alloy 42CrMo4 alloy steel material Chemical Composition and Mechanical Properties, please feel free to contact us by email or calling to us.

We are willing to cooperate sincerely with you with high-quality alloy 42CrMo4 alloy steel material products and sincere service to expand the market and create brilliant! We will work hard to create a first-class steel company and provide you with faster and more considerate after-sales services! Moreover, our shipbuilding steel plates have been certified by the nine countries' classification societies including DNV, ABC, GL, LR, BV, CCS, RINA, NK, and KR. The quality assurance system has passed ISO9001-2000 standard certification.