JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Outer Diameter | 6-1200mm |
| Wall Thickness | 1-120mm |
| Length | 6m,5.8m,11.8m,12m, or as required |
| Section Shape | Round |
| Surface Treatment | Black painted, PE coated, galvanized |
| Carbon Content | 0.05-0.15% (T11) |
| Manganese Content | 0.30-0.60% (T11) |
| Phosphorus Content | ≤0.025% (T11) |
| Sulfur Content | ≤0.025% (T11) |
| Silicon Content | 0.50-1.00% (T11) |
| Chromium Content | 0.50-1.00% (T11) |
| Molybdenum Content | 1.00-1.50% (T11) |
| Vanadium Content | 0.18-0.25% (T91) |
| Tensile Strength | ≥415 MPa (T11) |
| Yield Strength | ≥205 MPa (T11) |
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Product Specification
| Outer Diameter | 6-1200mm | Wall Thickness | 1-120mm |
| Length | 6m,5.8m,11.8m,12m, or as required | Section Shape | Round |
| Surface Treatment | Black painted, PE coated, galvanized | Carbon Content | 0.05-0.15% (T11) |
| Manganese Content | 0.30-0.60% (T11) | Phosphorus Content | ≤0.025% (T11) |
| Sulfur Content | ≤0.025% (T11) | Silicon Content | 0.50-1.00% (T11) |
| Chromium Content | 0.50-1.00% (T11) | Molybdenum Content | 1.00-1.50% (T11) |
| Vanadium Content | 0.18-0.25% (T91) | Tensile Strength | ≥415 MPa (T11) |
| Yield Strength | ≥205 MPa (T11) | ||
| High Light | Hot Rolled Seamless Steel Pipe ，ASTM A335 P11 P91 T91 Alloy Steel Pipe ，6 Inch Boiler Pipe | ||
High-quality alloy seamless steel pipes specifically designed for boiler applications, manufactured to meet stringent international standards including ASTM A335 specifications.
| Feature | Specifications |
|---|---|
| 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) | Elongate (%) | 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 facility utilizes a fully-automatic natural gas furnace measuring 24 meters in length, capable of maintaining temperature tolerance within 10ºC for precise heat treatment control.
| Outer Diameter (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% | ±1% |
These high-pressure, low & medium pressure boiler steel pipes are ideal for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants and industrial boiler systems.
Our company is a comprehensive enterprise specializing in pipe fittings production, steel pipe sales, and export services. We primarily manufacture alloy steel pipes, alloy pipes, and alloy pipe fittings for industrial applications.
Our facility features advanced production equipment including pushing machines, press machines, large heat treatment furnaces, beveling machines, sawing machines, three-way extruders, splint hammers, large sand blasting machines, and comprehensive testing instruments. We maintain over 20,000 tons of special steel pipes in inventory year-round.
We work 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 petroleum, chemical, power generation, metallurgy, city gas, heat pipeline networks, shipbuilding, and other industrial sectors.
Our products are distributed nationwide and exported to Southeast Asia, Central Asia, North Africa, South America, and other international markets. We are committed to quality products, excellent service, and building lasting partnerships with our customers.
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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