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China, Chinese St52, St35, St42, St45, X42, X52 Precision Cold-Rolled Alloy Low Carbon Seamless Steel Pipe1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsAlloy SteelSt35St42St45X42X52 Precision Cold-Rolled Alloy Low Carbon Seamless Steel PipeCarbon Steel Pipe Price Per TonSteel Pipe
Shandong Meide Import and Export Co., Ltd.
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Product Description Product Description1. Technology of Hot Rolled, Cold Rolled or Cold drawn.2. Hollow cross-section with lighter weight and higher pressure.3. High hardness, strength, wear resistance and anti-corrosion.4. The SMLS can becut, threaded or grooved. And the coating method includes black / red lacquer, varnish painting, hot dip galvanization, etc.ASTM 4119 GB 12CrMoAfter normalizing and tempering, it can be used to manufacture main steam pipes of boilers and steam turbines with steam temperature of 510 ° C, various tubes and superheater tubes with pipe wall temperature not exceeding 540 ° C, and various high-temperature elastic parts can also be manufactured after quenching and tempering.DIN 15CrMo5 GB 15CrMoAfter normalizing and high temperature tempering, it can be used to manufacture boiler superheaters, medium and high pressure steam pipes and headers with steam temperature up to 510 ° C, and main steam pipes with steam temperature up to 510 ° C. After quenching and tempering, it can be used to manufacture various important parts working at normal temperature.ASTM 4118 GB 20CrMoIt can be used to manufacture high-pressure pipes and various fasteners for non-corrosive media in chemical equipment and working temperature below 250 ° C, nitrogen and hydrogen media, blades, diaphragms, forgings, rolled profiles in steam turbines and boilers, gears, shafts and other important carburized parts in general machines, and it can also be used to replace 1Cr13 steel to manufacture working blades of medium-pressure and low-pressure steam turbines at the pressure level of superheated steam zone.ASTM 4130 GB 30CrMoIt is used to manufacture conduits with working temperature below 400 ° C, fasteners with working temperature below 450qC in boilers and steam turbines, nuts and flanges with working temperature below 500 ° C and high pressure, main shafts, shafts, gears, bolts, studs and control wheels with heavy load in general machinery, high-pressure conduits and weldments with working temperature below 250 ° C in chemical equipment and nitrogen and hydrogen media.ASTM 4135 GB 35CrMoIt is used to manufacture important parts in various machines that bear impact, bending and high load. Such as herringbone gear of steel rolling mill, crankshaft, hammer rod, connecting rod, fastener, main shaft and axle of steam turbine engine, engine transmission parts, large electric sleeper shaft, piercer in petroleum machinery, boiler bolts with working temperature lower than 400 ° C, nuts with working temperature lower than 510 ° C, high-pressure seamless thick-walled pipe in chemical machinery (temperature 450-500 ° C, no corrosive medium), etc., can also be used to manufacture high load transmission shaft, steam turbine generator rotor Large section gear, bearing shaft (diameter less than 500mm), etc.ASTM 4140 GB 42CrMoIt is generally used for manufacturing important parts with higher strength requirements and larger section size than 4135, such as shaft, gear, connecting rod, gearbox gear, supercharger gear, engine cylinder, spring, spring clip, 1200, 2000mm oil drill pipe joint, fishing tool and replacing quenched and tempered steel with higher nickel content.Chemical Composition (%)MaterialCSiMnPSCrNiCuMoASTM 4119 GB 12CrMo0.08-0.150.17-0.370.4-0.70.0350.0350.4-0.70.30.30.4-0.55JIS SCM415 GB 15CrMo0.12-0.180.17-0.370.4-0.70.0350.0350.8-1.10.30.30.4-0.55ASTM 4118 GB 20CrMo0.17-0.240.17-0.370.4-0.70.0350.0350.8-1.10.30.30.15-0.25ASTM 4130 GB 30CrMo0.26-0.340.17-0.370.4-0.70.0350.0350.8-1.10.30.30.15-0.25ASTM 4135 GB 35CrMo0.32-0.40.17-0.370.4-0.70.0350.0350.8-1.10.30.30.15-0.25ASTM 4140 GB 42CrMo0.38-0.450.17-0.370.5-0.80.0350.0350.9-1.20.30.30.15-0.25ASTM 4142 GB 42CrMnMo0.4-0.450.15-0.350.78-10.0350.040.8-1.10.250.350.15-0.25Mechanical propertyMaterialDiameter of sampledmmHeat treatment or condition.Tensile strengthσbMpaPoint of yieldσsMpaRatio of elongationδ%Reduction of sectionψ%hardnessHBWShock absorption energyKV2JASTM 4119 GB 12CrMod=30Quenching + tempering≥410≥265≥24≥60≤179≥110JIS SCM415 GB 15CrMod=30Quenching + tempering≥440≥295≥22≥60≤179≥94ASTM 4118 GB 20CrMod=15Quenching + tempering≥885≥685≥12≥50≤197≥78ASTM 4130 GB 30CrMod=25Quenching + tempering≥930≥785≥12≥50≤229≥63ASTM 4135 GB 35CrMod=25Quenching + tempering≥980≥835≥12≥45≤229≥63ASTM 4140 GB 42CrMod=25Quenching + tempering≥1080≥930≥12≥45≤217≥63TolerancesPipe typesPipe sizes(mm)TolerancesHot rolledOD<50±0.50mmOD≥50±1%WT<4±12.5%WT 4~20+15%, -12.5%WT>20±12.5%Cold drawnOD 6~10±0.20mmOD 10~30±0.40mmOD 30~50±0.45OD>50±1%WT≤1±0.15mmWT 1~3+15%, -10%WT >3+12.5%, -10%FAQQ1:who are we?A:We are based in Shandong, China, start from 2022,sell to North America(60.00%),Western Europe(14.00%),South America(6.00%).There are total about 11-50 people in our office. Q2. how can we guarantee quality?A:Always a pre-production sample before mass production;Always final Inspection before shipment;Q3.what can you buy from us?Which ports are accepted for delivery?A:Copper,Aluminum,Mould steel, Seamless carbon steel,Precision steel pipe,The steel plate,Alloy steel,Titanium,Custom machine parts.It can be delivered from Qingdao, Tianjin, Shanghai, Guangzhou and other ports.Q4.why should you buy from us not from other suppliers?A:Shandong Meide Import and Export Co., Ltd. has 25 years of production experience. With advanced precision production equipmentand modern large warehouses, has a stockpile of 200,000 tons of goods, has a number of long-term stable cooperative customers.Q5.what services can we provide?A:Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;Accepted Payment Type: T/T,L/C,D/P D/A,PayPal;Language Spoken:English,ChineseQ6.Can we get the some samples?Any charges?A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.Q7.How can we get your price ?A:We need below information to quote for you:1). Product Name2). Standard3). Material Grade (Chemical Composition)4). Dimension5). Quantity6). The Drawing for Special Parts
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