ASTM A335 P91 SCH High Pressure Alloy Welded Steel Pipe Low Alloy Steel Seamless OD1/2"-48”
ASTM A335 P91 High Pressure Alloy Welded Steel Pipe Low Alloy Steel Seamless OD1/2"-48”
1. ASTM A335/ASME SA335 P91 Alloy Steel Pipes Specifications
- Size range: ½” nominal through 60” OD
- Wall Thickness up through 4” thick& heavier upon request
- Alloy Steel Pipes Specifications & Grades:
- SA-335 P5, P9, P11, P22, P91
- SA-213 T5, T9, T11, T22, T91
- A519 4130, 4140/42
- Rolled & Welded A-691
2. Steel Pipe/ Tube Harmonized System Codes (HS Code)
730410 Line pipe of a kind used for oil or gas pipelines: Of iron or nonalloy steel:
730420 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Casing:
730431 Tubes, Pipes and Hollow Profiles, of Iron or Non-alloy Steel, Cold-drawn or cold-rolled (cold-reduced)
730439 Other Tubes, Pipes and Hollow Profiles, of Iron or Non-alloy Steel
730441 Tubes, Pipes and Hollow Profiles, of stainless steel , Cold-drawn or cold-rolled (cold reduced)
730449 Other Tubes, Pipes and Hollow Profiles, of Stainless Steel, Seamless
730451 Tubes, Pipes and Hollow Profiles, of Other Alloy Steel, Cold-drawn or cold-rolled (cold reduced)
730459 Other Tubes, Pipes and Hollow Profiles, of Other Alloy Steel,
730490 Other Tubes, Pipes and Hollow Profiles, Seamless, of Iron or Steel
3. ASTM A335/ASME SA335 P91 Alloy Steel Pipes 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 |
4. ASTM A335/ASME SA335 P91 Alloy Steel Pipes Mechanical Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
5. Outside Diameter & Tolerance
| Outside Diameter & Tolerance |
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6＜OD≤190.5 | +0.4/-1.2 | ||
| 190.5＜OD≤228.6 | +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＜OD＜50.8 | ±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＜OD≤190.5 | +0.38/-0.64 | ||
| 190.5＜OD≤228.6 | +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＜OD≤4 | ±0.79 | ||
| 4＜OD≤8 | +1.59/-0.79 | ||
| 8＜OD≤12 | +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＜WT≤3.8 | +35/-0 | ||
| OD≤101.6, 3.8＜WT≤4.6 | +33/-0 | ||
| OD≤101.6, WT>4.6 | +28/-0 | ||
| OD>101.6, 2.4＜WT≤3.8 | +35/-0 | ||
| OD>101.6, 3.8＜WT≤4.6 | +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 |
Length: 5800mm; 6000mm; 6096mm; 11800mm; 12000mm; and so on.
Max length: 16000mm
Keyword: High Pressure Steel Pipe, Boiler Steel Pipe, ASME SA335, P1, ASTM A335
5. Applications
Typical applications include:
- Processing plant for sulphuric, phosphoric and acetic acids
- Pulp and paper processing
- Components in gas scrubbing plants
- Seawater cooling equipment
- Oil refinery components
- Wires in electrostatic precipitators
Product Attribute
| Place of Origin | China | Brand Name | BOYUE |
| Standard | ANSI, ISO, ASME, DIN, ASTM | Type |
Seamless |
| ModelNumber | Alloy Steel Pipe | Thickness | SCH 5-SCH XXS |
| Packing | Depending on customer | Payment | 30%TT+70% Balance |
Supply Ability:40000Pieces / per Month
Packaging & Delivery
Packaging Details:Generally plywooden case or following customer's requirement.
Port:Shanghai/Tianjin
Commerce Clause
| Minimum Order Quantity: | 1pcs |
| Price: | Depending on quantity |
| Payment Terms: | T/T or Western Union or LC |
| Supply Ability: | 40000 ton per month |
| Delivery Time: | 10-100 days depending on quantity |
| Packaging Details: | Depending on customer |
Why Choose Us
1.One-Stop Service,One Single Source.
2.No MOQ.
3.Best quality,competitive price
4.Fast Reply.
5.On-Time Delivery
6.Professional sales and technical team .
FAQ
Q1: Are you a factory or a trade company?
A1: We are a professional manufacturer for designing and producing of Large-size products.(View Mor)
Q2: Do you make customized products or finished parts?
A2: All parts are custom made only, and in stock, we can produce based on your drawings.
Q3: Will my drawing be e after you get it?
A3: Yes, we will not release your design to third party unless with your permission.
Q4: What is the MOQ?
A4: Small order is acceptable, but the more, the cheaper.
Q5: How about the samples?
A5: We are happy to make prototype part or sample for clients to ensure quality standard, but it’s charged according to your drawing.
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