Yuhong Group Co.,Ltd
| 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 |
| 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 |
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Product Specification
| 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 |
| 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 |
| High Light | ASTM A335 P11 seamless pipe ，high-temperature alloy steel tube ，petrochemical power plant piping | ||
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 |
High-performance service environments
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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