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| Categories | Alloy Steel Tube |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASTM A335 P11 Seamless Pipe |
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin: | CHIAN |
| MOQ: | 100KGS |
| Price: | Negotiable |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 1000 tons per month |
| Delivery Time: | Depends on quantity |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Standard Specification: | ASTM A335 / ASME SA-335 |
| Material Designation: | P11 / Grade P11 |
| Optional NDT: | UT, RT, PMI, Hardness Test |
| Manufacturing Process: | Seamless (SMLS) |
| End Preparation: | Plain End / Beveled End |
| Size Range (NPS): | 1/2" to 24" |
| Wall Thickness: | SCH 40, 80, 160, XXS |
| Service Environment: | High-Temperature Piping Systems |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM A335 P11 seamless pipe is a chromium-molybdenum alloy steel designed for high-temperature service. Key characteristics:
Maximum percentages unless range specified
| Element | Composition (%) | ASTM A335 Requirement |
|---|---|---|
| Carbon | 0.05 - 0.15 | 0.05 - 0.15 |
| Manganese | 0.30 - 0.60 | 0.30 - 0.60¹ |
| Phosphorus | ≤0.025 | ≤0.025 |
| Sulfur | ≤0.025 | ≤0.025 |
| Silicon | 0.50 - 1.00 | 0.50 - 1.00 |
| Chromium | 1.00 - 1.50 | 1.00 - 1.50 |
| Molybdenum | 0.44 - 0.65 | 0.44 - 0.65 |
Global material cross-references
| Standard | Equivalent Grade | Note |
|---|---|---|
| EN | 13CrMo4-5 | EN 10216-2 |
| DIN | 13CrMo44 | DIN 17175 |
| JIS | STPA23 | JIS G3458 |
| GOST | 15KhM | GOST 550-75 |
| UNS Number | K11597 | Unified Numbering System |
Minimum requirements per ASTM A335
| Property | Value | Test Method |
|---|---|---|
| Tensile Strength | ≥415 MPa (60,000 psi) | ASTM A370 |
| Yield Strength | ≥205 MPa (30,000 psi) | ASTM A370 |
| Elongation | ≥30% (2" gauge length) | ASTM A370 |
| Hardness | ≤197 HBW / 92 HRB | ASTM E18/E10 |
| Heat Treatment | Full Anneal / Normalize & Temper | Mandatory |
Compliant with ASME B36.10M
| Parameter | Tolerance | Standard Reference |
|---|---|---|
| Outer Diameter (NPS ≤4) | ±0.79 mm (0.031") | ASME B36.10 |
| Outer Diameter (NPS >4) | +0.25% / -0.12% of OD | ASME B36.10 |
| Wall Thickness | +20% / -12.5% of nominal wall | ASTM A335 |
| Straightness | ≤0.2% of length | ASTM A530 |
| Length (Random) | 6-7 m (±100 mm) | Commercial practice |
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