JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Outer Diameter | 6-1200mm |
| Wall Thickness | 1-120mm |
| Length | 6m,5.8m,11.8m,12m |
| Surface Treatment | Black painted, PE coated, galvanized |
| Section Shape | Round |
| Tensile Strength | 415-735 MPa |
| Yield Strength | 205-440 MPa |
| Elongation | 18-30% |
| Hardness | ≤250HB |
| Carbon Content | 0.05-0.20% |
| Manganese Content | 0.30-0.61% |
| Chromium Content | 0.50-10.00% |
| Molybdenum Content | 0.44-1.50% |
| Vanadium Content | 0.15-0.25% |
| Heat Treatment | 1200°F-1375°F |
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Product Specification
| Outer Diameter | 6-1200mm | Wall Thickness | 1-120mm |
| Length | 6m,5.8m,11.8m,12m | Surface Treatment | Black painted, PE coated, galvanized |
| Section Shape | Round | Tensile Strength | 415-735 MPa |
| Yield Strength | 205-440 MPa | Elongation | 18-30% |
| Hardness | ≤250HB | Carbon Content | 0.05-0.20% |
| Manganese Content | 0.30-0.61% | Chromium Content | 0.50-10.00% |
| Molybdenum Content | 0.44-1.50% | Vanadium Content | 0.15-0.25% |
| Heat Treatment | 1200°F-1375°F | ||
| High Light | Cold Finished Seamless Boiler Tubes ，High Temperature Resistant Seamless Steel Pipe ，Corrosion Resistant Alloy Steel Seamless Tubes | ||
High-quality cold finished alloy steel seamless pipes and tubes with TUV BV BKW NBK GBK certifications, designed for demanding boiler applications.
| Item | Cold Rolled / Cold Drawn alloy steel seamless pipe |
|---|---|
| Standards | JISG3467-88, JISG3458-88, GB3087, GB6479-2000, GB9948-2006, GB5310-95, GB9948-88, ASME SA210, ASME SA213, ASTM SA335, ASTMA335/A335m, ASTMA213/A213m, DIN 17175 |
| Model Numbers | 12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo |
| Surface Treatment | Black painted, PE coated, galvanized |
| Length | 6m, 5.8m, 11.8m, 12m, or as required |
| Wall Thickness | 1-120mm |
| Outer Diameter | 6-1200mm |
| Payment Terms | T/T, L/C, Western Union |
|---|---|
| Price Terms | FOB, CIF, CFR, Ex-work, CNF |
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo | V≥ |
|---|---|---|---|---|---|---|---|---|
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 | |
| T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | ≤0.50 | 0.80-1.25 | 0.44-0.65 | |
| T13 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 | |
| T2 | 0.10-0.20 | 0.30-0.61 | 0.025 | 0.025 | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 | |
| T5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 | |
| T5b | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 1.00-2.00 | 4.00-6.00 | 0.45-0.65 | |
| T5c | ≤0.12 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 | |
| T9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.9-1.0 | |
| T22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 | |
| T91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | ≤0.50 | 8-9.50 | 0.85-1.05 | 0.18-0.25 |
| T92 | 0.07-0.13 | 0.30-0.60 | 0.020 | 0.010 | ≤0.50 | 8-9.50 | 0.3-0.60 | 0.15-0.25 |
| T21 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 2.65-3.35 | 0.80-1.06 |
| Standard | Steel Grade | Tensile (MPa) | Yield (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|---|
| 20MnG | 20MnG | ≥415 | ≥240 | ≥22 | |
| 25MnG | 25MnG | ≥485 | ≥275 | ≥20 | |
| 15CrMoG | 15CrMoG | 440~640 | ≥235 | ≥21 | |
| 12Cr2MoG | 12Cr2MoG | 450~600 | ≥280 | ≥20 | |
| 12Cr1MoVG | 12Cr1MoVG | 470~640 | ≥255 | ≥21 | |
| 12Cr2MoWVTiB | 12Cr2MoWVTiB | 540~735 | ≥345 | ≥18 | |
| 10Cr9Mo1VNb | 10Cr9Mo1VNb | ≥585 | ≥415 | ≥20 | |
| ASME SA210 | SA210A-1 | ≥415 | ≥255 | ≥30 | ≤143HB |
| ASME SA210 | SA210C | ≥485 | ≥275 | ≥30 | ≤179HB |
| ASME SA213 | SA213 T11 | ≥415 | ≥205 | ≥30 | ≤163HB |
| ASME SA213 | SA213 T12 | ≥415 | ≥220 | ≥30 | ≤163HB |
| ASME SA213 | SA213 T22 | ≥415 | ≥205 | ≥30 | ≤163HB |
| ASME SA213 | SA213 T23 | ≥510 | ≥400 | ≥20 | ≤220HB |
| ASME SA213 | SA213 T91 | ≥585 | ≥415 | ≥20 | ≤250HB |
| ASME SA213 | SA213 T92 | ≥620 | ≥440 | ≥20 | ≤250HB |
| DIN17175 | ST45.8/ | 410~530 | ≥255 | ≥21 | / |
| DIN17175 | 15Mo3 | 450~600 | ≥270 | ≥22 | |
| DIN17175 | 13CrMo44 | 440~590 | ≥290 | ≥22 | |
| DIN17175 | 10CrMo910 | 480~630 | ≥280 | ≥20 |
Our full-automatic natural gas furnace (24 meters in length) maintains precise temperature control with real temperature tolerance within 10ºC.
Pipe of Grades P1, P2, and P12 (hot finished or cold drawn) may receive final heat treatment at 1200°F[650°C] to 1300°F [705°C]. All Grade P5c pipes receive final heat treatment in the range from 1325°F [715°C] to 1375°F[745°C].
| OD Range (mm) | Plus Tolerance (+) | Minus Tolerance (-) |
|---|---|---|
| 10.29-48.3 | 0.4 | 0.4 |
| <48.3--≤114.3 | 0.79 | 0.79 |
| <114.3-≤219.1 | 1.59 | 0.79 |
| <219.1-≤323.9 | 2.38 | 0.79 |
| <323.9 | ±1% | |
High pressure, low & medium pressure boiler steel pipes/tubes are suitable for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants.
Our company is a professional enterprise specializing in pipe fittings production, steel pipe sales, and export services. We primarily manufacture alloy steel pipes, alloy pipes, and alloy pipe fittings.
Established: 1992
Factory Area: 100,000 square meters
Employees: 520 (including 3 senior engineers, 12 engineers, and 150 professional technicians)
Annual Production: Over 20,000 tons of pipe fittings and 50,000 tons of pipe flux
We maintain advanced production equipment, comprehensive testing facilities, and strong technical expertise. Our product range includes steel pipe fittings (elbows, tees, four-ways, reducing pipes, heads, flanges, support hangers, bearing plugs) and we operate 420 sets of key equipment including pushing machines, press machines, large heat treatment furnaces, beveling machines, sawing machines, three-way extruders, splint hammers, large sand blasting machines, and various testing instruments.
We maintain over 20,000 tons of special steel pipes year-round with materials including SA106B, 20G, Q345, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92, WB36, and various austenitic stainless steels.
Our products serve major industries including petroleum, chemical, power generation, metallurgy, city gas, heat pipe networks, and shipbuilding.
Our products are exported to Southeast Asia, Central Asia, North Africa, South America, and many other regions worldwide. We are committed to high-quality products, excellent service, and building strong customer relationships for mutual success.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
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