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Butt Weld Pipe Fittings Reducing Grooved Stainless Steel Concentric Reducer
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Stainless Steel
Type:
Other
Technics:
Casting
Payment & Shipping
Payment Methods:
Port of Shipment:
NINGBO/SHANGHAI/TIANJIN/XIAMEN
Delivery Detail:
15 days
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Material
Stainless Steel
Type
Other
Technics
Casting
Connection
Welding
Finish
Other
Application
Petroleum, Natural Gas, Water Dispose et
Transport Package
Wooden Cases, Pallets, Nylon Bags
Specification
customizable
Origin
China
| Product Name | Reducer | |
| Certification | SGS/BV/ABS/LR/TUV/DNV/BIS/API/PED | |
| Place of Origin | Shanghai China (Mainland) | |
Material |
ASTM | Carbon steel(ASTM A234WPB,,A234WPC,A420WPL6. |
| Stainless steel(ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10, 00Cr17Ni14Mo2, ect.) | ||
| Alloy Steel:A234WP12,A234WP11,A234WP22,A234WP5, A420WPL6,A420WPL3 | ||
| DIN | Carbon steel:St37.0,St35.8,St45.8 | |
| Stainless steel:1.4301,1.4306,1.4401,1.4571 | ||
| Alloy steel:1.7335,1.7380,1.0488(1.0566) | ||
| JIS | Carbon steel:PG370,PT410 | |
| Stainless steel:SUS304,SUS304L,SUS316,SUS316L,SUS321 | ||
| Alloy steel:PA22,PA23,PA24,PA25,PL380 | ||
| GB | 10#,20#,20G,23g,20R,Q235,16Mn, 16MnR,1Cr5Mo, 12CrMo, 12CrMoG, 12Cr1Mo | |
| Standard Specification | ASTM,JIS,BS,DIN,UNI etc. | |
| Connection | Welding | |
| Shape | Equal | |
| Technics | Forged | |
| Qualification | ISO9001, API,CE | |
| Equipment | Pushing Machine,Beveling Machine,Sand Blasting Machine | |
| Thickness | Sch10-Sch160 XXS | |
| Size | Seamless 1/2" To 24" Welded 24" To 72" | |
| Surface of Finish | Antirust Oil,Hot Galvanized | |
| Pressure | Sch5--Sch160,XXS | |
| Standard | ASME,ANSI B16.9; DIN2605,2615,2616,2617,JIS B2311 ,2312,2313; EN 10253-1 ,EN 10253-2 | |
| The third party inspection | BV, SGS, LOIYD, TUV, and other party alloyed by clients. | |
| Remark | Also can supply IBR fittings and Specialized NACE & HIC Fittings | |
| Marking | Registered logo,Heat Number,Steel Grade,Standard,Size | |
| Minimum Order Quantity | 1pcs | |
| Supply Ability | 3,0000pcs per month | |
| Price | Depending on quantity | |
| Payment Terms | T/T or Western Union or LC | |
| Delivery Time | 10-50 days depending on quantity | |
| Packing | PLY-wooden case or pallet or as for clients' requirements | |
| Application | Petroleum, chemical, machinery, electric power, shipbuilding, papermaking, | |
| Advantages |
1. 20 + years of production experience at your service. 2. The fastest delivery 3. The lowest price 4. Most comprehensive standards and materials for your choice. 5. 100% export. 6. Our products EXPORT to Africa, Oceania, mid east, eastern Asia, Western Europe etc. |
|
Stainless steel reducer production parameters are as follows
| Parameter Category | Specific Parameter | Parameter Range |
| Dimension Parameters | Large - end Diameter and Small - end Diameter | Common specifications: 3/4"×1/2" (DN20×15), 1"×3/4" (DN25×20), 1 1/2"×1" (DN40×25) ......48"×40" (DN1200×1000), etc. |
| Wall Thickness | sch.5s (approx. 1.65mm - 2.11mm, depending on pipe diameter), sch.10s (approx. 2.11mm - 2.77mm), sch.20 (approx. 2.77mm - 3.40mm), sch.30 (approx. 3.40mm - 4.0mm), sch.40s (approx. 3.91mm - 4.55mm), std (approx. 3.91mm - 4.55mm, partially overlapping sch.40s), sch.60 (approx. 5.54mm - 6.35mm), sch.80 (approx. 6.35mm - 7.11mm), xs (approx. 6.35mm - 7.11mm, partially overlapping sch.80), sch.100 (approx. 7.82mm - 8.74mm), sch.120 (approx. 9.53mm - 10.97mm), sch.140 (approx. 11.13mm - 12.7mm), sch.160 (approx. 12.7mm - 14.27mm), xxs (approx. 12.7mm - 14.27mm, partially coinciding with sch.160) | |
| Length | Small sizes (e.g. DN20 - DN50): 50mm - 80mm; Medium sizes (DN65 - DN200): 80mm - 200mm; Large sizes (DN250 - DN1200): 200mm - 500mm | |
| Eccentricity (for Eccentric Reducers) | Small size (DN20 - DN50): 5mm - 10mm; Medium size (DN65 - DN200): 10mm - 20mm; Large size (DN250 - DN1200): 20mm - 50mm | |
| Material Parameters | Alloy Element Content | 304: chromium 17% - 19%, nickel 8% - 10.5% 316L: chromium 16% - 18%, nickel 10% - 14%, molybdenum 2% - 3% |
| Hardness | 304: annealed state HB ≤ 187, HRB ≤ 90, HV ≤ 200 316L: annealed state HB ≤ 187, HRB ≤ 90, HV ≤ 200 (hardness increase after work hardening) |
|
| Corrosion Resistance | In Cl-containing solutions, 304 corrodes at a rate of about 0.1mm/year - 0.5mm/year; 316L corrodes at a rate of about 0.01mm/year - 0.1mm/year (depending on solution concentration, temperature, etc.). | |
| Process Parameters | Reducing/Expanding Parameters | Pressing force: small specifications (DN20 - DN50) 50 tons - 100 tons; medium specifications (DN65 - DN200) 100 tons - 300 tons; large specifications (DN250 - DN1200) 300 tons - 800 tons Pressing speed: small specifications 2mm/min - 5mm/min; medium specifications 5mm/min - 10mm/min; large specifications 10mm/ min - 20mm/min. min - 20mm/min mold size and shape: customized according to the pipe diameter, such as DN50 size head mold inner diameter suitable for 57mm (OD 57mm pipe common specifications), and designed to correspond to the shape of the reduction or expansion of diameter |
| Stamping Parameters | Stamping pressure: small specifications (DN20 - DN50) 200kN - 500kN; medium specifications (DN65 - DN200) 500kN - 1500kN; large specifications (DN250 - DN1200) 1500kN - 5000kN Stamping speed: small specifications 3mm/s - 8mm/s; in the specifications of 8mm/s - 15mm/s; large specifications 15mm/s - 30mm/s stamping die shape and size: adaptable products, such as DN100 size head die stamping surface according to 108mm (OD 108mm pipe common specifications) design | |
| Welding Parameters | Welding current: manual arc welding, small specifications (DN20 - DN50) 80A - 120A; medium specifications (DN65 - DN200) 120A - 200A; large specifications (DN250 - DN1200) 200A - 350A Voltage: manual arc welding, 20V - 30V Welding speed: small specifications 100mm/min - 150mm/min; medium specifications 150mm/min - 250mm/min; large specifications 250mm/min - 400mm/min Welding angle: butt welding 30° - 45° (V-beveling) Specification 150mm/min - 250mm/min; large specifications 250mm/min - 400mm/min Welding Angle: Butt welding 30° - 45° (V-bevel) | |
| Heat Treatment Parameters | Solid solution treatment temperature: 304 stainless steel 1050 ºC - 1100 ºC; 316L stainless steel 1020 ºC - 1100 ºC Holding time: small specifications (DN20 - DN50) 30min - 60min; in the specifications (DN65 - DN200) 60min - 120min; large specifications (DN250 - DN1200) 120min - 240min Cooling method: air-cooled (cooling speed of about 5 ºC / s - 15 ºC / s, water-cooled (cooling speed of about 50 ºC / s - 150 ºC / s) 240min cooling mode: air-cooled (cooling speed of about 5 ºC / s - 15 ºC / s), water-cooled (cooling speed of about 50 ºC / s - 150 ºC / s) | |
| Performance Parameters | Pressure Rating | sch5s: approx. 1.0MPa - 2.0MPa; sch10s: approx. 2.0MPa - 3.0MPa; std: approx. 3.0MPa - 4.0MPa; xs: approx. 4.0MPa - 6.0MPa (depending on the diameter of the pipe, material changes) |
| Strength | 304 stainless steel tensile strength ≥520MPa, yield strength ≥205MPa 316L stainless steel tensile strength ≥485MPa, yield strength ≥170MPa |
|
| Sealing Performance | According to GB/T 13927 standard, under 1.5 times the design pressure, keep pressure for 30min without leakage. | |
| Tolerance Parameters | Diameter Tolerance | Outside diameter: small specifications (DN20 - DN50) ± 0.5%; in the specifications (DN65 - DN200) ± 0.8%; large specifications (DN250 - DN1200) ± 1% inside diameter: small specifications (DN20 - DN50) ± 0.3mm; in the specifications (DN65 - DN200) ± 0.5mm; large specifications (DN250 - DN1200) ± 1mm |
| Wall Thickness Tolerance | ±10% of nominal wall thickness, e.g. sch.40s wall thickness 4.0mm, tolerance range 3.6mm - 4.4mm | |
| Length Tolerance | Small sizes (DN20 - DN50) ±2mm; medium sizes (DN65 - DN200) ±3mm; large sizes (DN250 - DN1200) ±5mm (longer sizes can be relaxed to ±10mm) | |
| Concentricity and Eccentricity Tolerance | Concentricity: small specifications (DN20 - DN50) ± 0.5mm; medium specifications (DN65 - DN200) ± 0.8mm; large specifications (DN250 - DN1200) ± 1mm eccentricity: small specifications (DN20 - DN50) ± 1mm; medium specifications (DN65 - DN200) ± 2mm; large specifications (DN250 - DN1200) ± 3mm 3mm | |
| Surface Quality Parameters | Surface Roughness | Inner surface: Ra≤6.3μm for general industrial use; Ra≤0.8μm - 1.6μm for hygienic use in food, medicine, etc. Outer surface: Ra≤12.5μm. |
| Appearance Defects | No cracks, heavy skin, pores, slag, etc., scratches, pit depth does not exceed the negative deviation of the wall thickness, such as wall thickness of 4.0mm, the negative deviation of 0.4mm, scratches, pit depth ≤ 0.4mm | |
| Machining Allowance Parameters | Cutting Allowance | Single side: small size (DN20 - DN50) 2mm - 3mm; medium size (DN65 - DN200) 3mm - 4mm; large size (DN250 - DN1200) 4mm - 5mm |
| Machining Allowance | Small size (DN20 - DN50) 3mm - 5mm; Medium size (DN65 - DN200) 5mm - 6mm; Large size (DN250 - DN1200) 6mm - 8mm |
Zhongzheng Stainless Steel Co., Ltd. was established in 2018 with aregistered capital of 20 million yuan. lt is a manufacturing company thatintegrates the production of special materials, manufacturing andprocessing, sales, and technology development. The company covers anarea of 2,000 square meters and has 200 employees. it has built worldclass stainless steel seamless pipe (hot piercing, cold drawing, cold rollingproduction lines, precision steel pipe production lines, and large, mediumand small-sized welded pipe production lines. The company has beencommitted to providing high performance, high precision, hightemperature-resistant, high pressure-resistant, and corrosion-resistantsolutions and technical services for industrial equipment pipeline systems.The company specializes in producing a series of steel pipes, pipe fittingsflanges, etc., such as high-temperature (nickel-based) alloys, austeniticduplex steel, urea grade stainless steel, super stainless steel, etc. Thecompany is equipped with an annual production capacity of 5,000 tons ofstainless steel seamless pipe production line, 7,000 tons of welded pipeproduction line, and 500 tons of pipe fittings production line, etc. lt canoroduce stainless steel seamless pipes with diameters ranging from Φ6 toΦ762 and wall thicknesses ranging from 0.5 to 70 mm, stainless steelwelded pipes with diameters ranging from Φ15 to Φ2200 and wallthicknesses ranging from 0.5 to 80 mm, pipe fittings, and various stainlesssteel ingots, round steel, rough pipes, etc., according to customerrequirements and in accordance with standards such as GB, ASTM, etc.
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Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market
Location
Tianjin, China
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