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Zhejiang Seamless Pipe Co., Ltd.

  • China,Jiaxing ,Zhejiang
  • Verified Supplier
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China ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting For Power Generation
China ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting For Power Generation

  1. China ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting For Power Generation
  2. China ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting For Power Generation
  3. China ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting For Power Generation

ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting For Power Generation

  1. MOQ: 1pc
  2. Price: Above 2usd/kg
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability 100 ton/month
Delivery Time 3 weeks/container
Packaging Details Plywood case
Material Grade WP310S
Uns Number S31008
Connection Type Butt Weld
Packing Method Plywood cases with individual plastic bags or sealed packaging
Surface Pickling / Polishing / Sandblasting
Brand Name SMLSCO
Certification PED, ISO, AD2000, NORSOK M-650

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram Supply Ability 100 ton/month
Delivery Time 3 weeks/container Packaging Details Plywood case
Material Grade WP310S Uns Number S31008
Connection Type Butt Weld Packing Method Plywood cases with individual plastic bags or sealed packaging
Surface Pickling / Polishing / Sandblasting Brand Name SMLSCO
Certification PED, ISO, AD2000, NORSOK M-650
High Light ASTM A403 WP310S stainless steel capbutt weld fitting for power generationstainless steel weld fitting with warranty
ASTM A403 WP310S Stainless Steel Cap Butt Weld Fitting

High-performance stainless steel pipe caps designed specifically for power generation applications requiring exceptional heat resistance and durability.

Product Specifications
Attribute Value
Product Name WP310S Stainless Steel Pipe Cap
Material Grade ASTM A403 WP310S / S31008
Standard ASME B16.9
Size Range DN6 - DN100 (1/8" - 4", 10.3 - 114.3mm)
Wall Thickness Sch 10s - Sch 160 / XXS
Connection Type Butt Weld
Heat Resistance Up to 1150°C (2100°F)
Certification PED 2014/68/EU, ISO 9001, AD2000
Material Properties

WP310S is a high-chromium, high-nickel austenitic stainless steel specifically engineered for high-temperature applications. This material features exceptional oxidation resistance and high creep strength, maintaining stable performance even under continuous service conditions up to 1150°C. Compared to standard 304 or 316 grades, WP310S offers superior resistance to carburization and reducing atmospheres at high temperatures, significantly extending service life in power generation facilities and heat treatment equipment.

Manufacturing Process

Our WP310S pipe caps undergo rigorous process control starting with high-quality stainless steel sheets from certified steel mills. After precision cutting, raw materials are pressure-formed into shape, followed by essential heat treatment to relieve processing stresses and restore corrosion resistance. Surface treatment ensures a smooth, scale-free finish, and bevels are precision-machined to meet standard requirements. Every cap undergoes 100% dimensional measurement and non-destructive testing to ensure compliance with power industry standards.

Company Advantages
  • Stock Availability: Maintain inventory of standard-sized pipe fittings to meet urgent restocking needs
  • Precision Manufacturing: Strict adherence to ASME B16.9 standard ensures precise geometry and smooth weld bevels
  • Rapid Delivery: Standard size orders delivered within two weeks
  • Certification Assurance: Full product line PED and ISO certified with 100% PMI testing before shipment
Packing Methods
Shipment Type Packing Method
LCL Shipments Plywood cases with individual plastic bags or sealed packaging
FCL Shipments Plywood cases for fittings under 12"; pallet with plastic film wrapping for fittings over 12"
Frequently Asked Questions
Does SMLSCO's WP310S pipe cap support third-party testing?
Yes. We fully support customers in commissioning third-party organizations such as SGS, TÜV, or BV to conduct on-site manufacturing supervision and re-inspection.
Why is 310S material required in the power industry instead of standard 304?
Boiler systems in the power industry often operate at temperatures exceeding 800°C. At these temperatures, 304 is prone to oxidation and flaking, whereas WP310S contains 25% chromium and 20% nickel, which form a dense oxide layer ensuring mechanical strength and structural integrity are maintained during high-temperature cycling.
How can I be sure that the pipe caps meet the high nickel-chromium content requirements of WP310S?
We conduct rigorous dual inspections upon both incoming and outgoing shipments. Every pipe cap undergoes 100% PMI testing before packaging to ensure chemical composition fully complies with ASTM A403 standard requirements.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2006

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Zhejiang seamless pipe co.,ltd. (SMLSCO) is a specialized stainless steel piping systems provider with 19 years of industry experience. We began by supplying cost-effective stainless steel seamless pipes but for now, Smlsco is more than pipes. With 19 years of growth, we have establis... Zhejiang seamless pipe co.,ltd. (SMLSCO) is a specialized stainless steel piping systems provider with 19 years of industry experience. We began by supplying cost-effective stainless steel seamless pipes but for now, Smlsco is more than pipes. With 19 years of growth, we have establis...

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Get in touch with us

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  • Zhejiang Seamless Pipe Co., Ltd.
  • No. 501, Changsheng South Road, Jiaxing, Zhejiang, China
  • https://www.smlspipestock.com/

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