Name: Q345/S355JR/Gr.50 Seamless Steel Pipe
SKU: 0

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Q345/S355JR/Gr.50 Seamless Steel Pipe

Q345 (GB/T 1591) is a Chinese low-alloy high-strength steel pipe with 470-630MPa tensile strength, ideal for bridges, buildings, and machinery. S355JR (EN 10025-2) offers 450-630MPa tensile strength, suitable for structural and construction applications in Europe. Gr.50 (ASTM A572/A500) provides 345-450MPa yield strength, optimized for high-strength structures, bridges, and energy sectors. All three ensure durability, weldability, and compliance with respective standards, making them reliable choices for global engineering projects.

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Key Attributes

Product Name	Q345/S355JR/Gr.50 Seamless Steel Pipe
Standard	API, ASTM, DIN, GB, JIS, API 5L, ASTM A213-2001, ASTM A333-2005, ASTM A335-2006, DIN 17175, GB 3087-1999, GB 5310-1995, GB 6479-2000, GB 9948-2006, GB/T 9711.2-1999, JIS G3458-2005
Grade	10#-45#, API J55-API P110, Cr-Mo alloy, Q195-Q345, 20#, API J55, API K55, API L80, API N80, API P110, 10CrMo910, 12Cr1MoV, 12CrMo, 13CrMo44, 15CrMo, Q235
Outside Dia(mm)	10.3-1219mm
Wall Thickness(mm)	1.5-30mm
Length	Random length:5-12m
Surface	Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,ect
Packaging	Loose package, Packaged in bundles(3Ton Max) , bundled pipes with two slings at the both end for easy loading and discharging, End with Plastic caps or as per requirement
Application	1. Fluid pipe 2. Power Plant 3. Structure pipe 4. High and low pressure Boiler tube 5. Seamless pipe /tube for petroleum cracking 6. Conduit pipe 7. Scaffolding pipe pharmaceutical andship,building etc.
Payment	30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy or 70%T/T balance, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L in 15 days
Advantages	1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery 3. Rich supply and export experience, sincere service

Product Details

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The company has passed "ISO9001 quality system certification, EU CE certification"，etc. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.

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