JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | T/T or L/C |
| Supply Ability | 2500 Tons every month |
| Delivery Time | 7 days |
| Packaging Details | Export packing |
| Section Shape | Round |
| Invoicing | by theoretical weight |
| Transport Package | in Bundles, Wooden Box |
| Sample | Provide |
| Technique | Hot Rollled |
| Steel Thickness | 0.2-100mm |
| Prodcut | steel pipe tube |
| Technology | Cold Rolled.hot Rolled |
| Alloy | Alloy |
| Processing Service | Bending, Cutting |
| Surface | unpainted |
| Dimensions | ASTM, ASME and API |
| Outer Diameter | 38 - 165 mm |
| Shape | Round.square.Rectangle |
| Out Diameter | 10-800mm |
| Brand Name | MITTEL |
| Certification | SGS,BV |
| Place of Origin | CHINA |
| Model Number | P11 |
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Product Specification
| Payment Terms | T/T or L/C | Supply Ability | 2500 Tons every month |
| Delivery Time | 7 days | Packaging Details | Export packing |
| Section Shape | Round | Invoicing | by theoretical weight |
| Transport Package | in Bundles, Wooden Box | Sample | Provide |
| Technique | Hot Rollled | Steel Thickness | 0.2-100mm |
| Prodcut | steel pipe tube | Technology | Cold Rolled.hot Rolled |
| Alloy | Alloy | Processing Service | Bending, Cutting |
| Surface | unpainted | Dimensions | ASTM, ASME and API |
| Outer Diameter | 38 - 165 mm | Shape | Round.square.Rectangle |
| Out Diameter | 10-800mm | Brand Name | MITTEL |
| Certification | SGS,BV | Place of Origin | CHINA |
| Model Number | P11 | ||
| High Light | heavy steel pipe ， structural steel pipes | ||
Alloy Steel Seamless Pipe's working pressure capability is around 20% higher than a welded pipe, similar to most alloys. As a result, the use of a seamless pipe is justified in applications that require a higher working pressure. The cost is substantially more than a welded pipe, despite the fact that it is stronger. Alloy Steel Seamless Pipes & Tubes are utilised in applications that demand moderate corrosion resistance, as well as good durability and a low cost.
Alloy Steel Seamless Tube Application
- Offshore Oil Drilling
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
Chemical Composition
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
Mechanical Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
Outside Diameter & Tolerance
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6 | +0.4/-1.2 | ||
| 190.5 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| OD<25.4 | ±0.10 | ||
| 25.4≤OD≤38.1 | ±0.15 | ||
| 38.1 | ±0.20 | ||
| 50.8≤OD<63.5 | ±0.25 | ||
| 63.5≤OD<76.2 | ±0.30 | ||
| 76.2≤OD≤101.6 | ±0.38 | ||
| 101.6 | +0.38/-0.64 | ||
| 190.5 | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤OD≤1-1/2 | ±0.40 | ||
| 1-1/2 | ±0.79 | ||
| 4 | +1.59/-0.79 | ||
| 8 | +2.38/-0.79 | ||
| OD>12 | ±1% |
Wall Thickness & Tolerance
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, % |
| OD≤101.6, WT≤2.4 | +40/-0 | ||
| OD≤101.6, 2.4 | +35/-0 | ||
| OD≤101.6, 3.8 | +33/-0 | ||
| OD≤101.6, WT>4.6 | +28/-0 | ||
| OD>101.6, 2.4 | +35/-0 | ||
| OD>101.6, 3.8 | +33/-0 | ||
| OD>101.6, WT>4.6 | +28/-0 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, % | |
| OD≤38.1 | +20/-0 | ||
| OD>38.1 | +22/-0 | ||
| ASTM A530 | NPS | Outside Diameter, inch | Tolerance, % |
| 1/8≤OD≤2-1/2 | +20.0/-12.5 | ||
| 3≤OD≤18, WT/OD≤5% | +22.5/-12.5 | ||
| 3≤OD≤18, WT/OD>5% | +15.0/-12.5 | ||
| OD≥20, WT/OD≤5% | +22.5/-12.5 | ||
| OD≥20, WT/OD>5% | +15.0/-12.5 |
ASTM A335-for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
ASTM A519-for Seamless Carbon and Alloy Steel Mechanical Tubing
ASTM A213-for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Super heater, and Heat-Exchange Tubes
ASTM ASME (S)A-335/(S)A-335M Grade and Chemical Composition
| Grade | UNS | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
| P1 | K11522 | 0.10~0.20 | 0.30~0.80 | 0.025 | 0.025 | 0.10~0.50 | - | 0.44~0.65 |
| P2 | K11547 | 0.10~0.20 | 0.30~0.61 | 0.025 | 0.025 | 0.10~0.30 | 0.50~0.81 | 0.44~0.65 |
| P5 | K41545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 4.00~6.00 | 0.44~0.65 |
| P5b | K51545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.00~2.00 | 4.00~6.00 | 0.44~0.65 |
| P5c | K41245 | 0.12 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 4.00~6.00 | 0.44~0.65 |
| P9 | S50400 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50~1.00 | 8.00~10.00 | 0.44~0.65 |
| P11 | K11597 | 0.05~0.15 | 0.30~0.61 | 0.025 | 0.025 | 0.50~1.00 | 1.00~1.50 | 0.44~0.65 |
| P12 | K11562 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 0.80~1.25 | 0.44~0.65 |
| P15 | K11578 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.15~1.65 | - | 0.44~0.65 |
| P21 | K31545 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 2.65~3.35 | 0.80~1.60 |
| P22 | K21590 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 1.90~2.60 | 0.87~1.13 |
| P91 | K91560 | 0.08~0.12 | 0.30~0.60 | 0.020 | 0.010 | 0.20~0.50 | 8.00~9.50 | 0.85~1.05 |
| P92 | K92460 | 0.07~0.13 | 0.30~0.60 | 0.020 | 0.010 | 0.50 | 8.50~9.50 | 0.30~0.60 |
Note:
A335 P91 other chemical composition are : V 0.18~0.25; N 0.030~0.070; Ni ≤ 0.40; Al ≤ 0.04 ; Nb 0.06~0.10
A335 P92 other chemical composition are : V 0.15~0.25; N 0.030~0.070; Ni ≤ 0.40; Al ≤ 0.04 ; Nb 0.04~0.09; W 1.5~2.00 ; B 0.001~0.006
Pipe Process of ASME SA335 P91 Steel Tube / ASTM A335 P91 Alloy Steel Seamless Tubes:
Round Billet → Material Inspection → Grinding → Cut to Length → Heating → Piercing → Bite Mandrel → Hot Rolled → Get Rid of Mandrel → Heat Treatment → Size Reducing → Cooling → Straightening → Semi Manufactured Product → Corp End Cutting off → UT/ET TEST or Hydrostatic Test → Marking → Packing → Warehousing
Q1: How long is the warranty period?
We provide 18 months warranty for all spare parts(exclude fragile parts).
Q2: How can we guarantee quality?
1 All machines are in strict accordance with the ISO quality and CE system requirements.
2 Each procedure is crafted by professional Skilled labour, followed by particular QC
3 All information of our products can be checked in efficient management system.
Q3: What can you buy from us?
Boiler Economizer, Boiler Fin tube, Boiler Air preheater, Boiler superheater, Boiler membrane wall,Boiler manifold headers and other pressure spare parts.
Q4: What kind of service do you provide?
Before sales:Provide productinformations, market research forecasting, product customization,product processing,consultation and other services for your convenience.
Q5: Are you a factory or trading company, where are you located?
We are a factory in wuxi , just 130km(2 hours by car) away from Shanghai Airport.
We offer pickup service at Shanghai or wuxi for your visit.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Seller
Year Established:
1998
Total Annual:
80Millen-100 Millen
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...
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