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 safe 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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