Large Diameter Heavy Wall Seamless Alloy Steel Pipe, Excellent Pressure Resistance for High Pressure Working Condition, Material Test Report Available

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS, Customized
• Model NO.: 15CrMo 12Cr1MoV 12Cr2Mo 16Mn/Q345B 35CrMo
• Composition: Stainless Steel Scrap
• Technique: Hot Rolled
• Shape: Block
• Surface Treatment: Color Coated
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Die Steel Bar
• Payment Term: T/T
• Lead Time: 2-7 Working Days
• Samples: Provide Freely
• MOQ: 10mt
• Transport Package: Customized
• Specification: customized
• Trademark: ZhuoYue
• Origin: China
• Production Capacity: 999999pieces/Year

Product Description

Product Description

 Alloy steel pipes

Alloy steel pipe is seamless pipe rolled from alloy steel material. It features high temperature resistance, high pressure resistance, good creep resistance and stable mechanical properties. Main grades include 15CrMo, 12Cr1MoV, 12Cr2Mo, 16Mn(Q345B), 35CrMo, as well as ASTM P11, P22, P91. Widely used in boilers, thermal power plants, petrochemical industry, refineries, oilgas transmission and engineering machinery. Various sizes are available. Custom cuttolength and nonstandard sizes are supported. Mill test certificates are provided with strict NDT inspection to meet domestic and overseas project requirements.

Specification

1.Product Types

Seamless Alloy Steel Pipe
Welded Alloy Steel Pipe (ERW / SAW)
Hot Rolled Alloy Steel Pipe
Cold Drawn Alloy Steel Tube
Heat Treated Alloy Steel Pipe (QT / Normalized / Annealed)

2.Applicable Standards & Common Grades

Standard	Common Grades
ASTM	A335 P11, P22, A519 4130, 4140
EN	42CrMo4, E470, 34CrMo4
DIN	1.7225, 1.7035
JIS	SCM420, SCM440
GB	20Cr, 40Cr, 42CrMo

3.Chemical Composition (Typical Alloy Steel Grades)

Grade	C	Mn	Si	Cr	Mo	Ni
20Cr	0.17–0.23	0.50–0.80	≤0.40	0.70–1.00	—	—
40Cr	0.37–0.44	0.50–0.80	≤0.40	0.80–1.10	—	—
42CrMo	0.38–0.45	0.60–0.90	≤0.40	0.90–1.20	0.15–0.25	≤0.30
SCM420	0.18–0.23	0.60–0.90	≤0.35	0.90–1.20	0.15–0.25	—
4140	0.38–0.43	0.75–1.00	≤0.40	0.80–1.10	0.15–0.25	≤0.30

4.Size Range & Technical Parameters

Outside Diameter	10 – 820 mm
Wall Thickness	1.5 – 100 mm
Length	6 m / 12 m / Customized
Shape	Round Pipe / Tube · Square Tube · Rectangular Tube · Oval Tube · Elliptical Tube · Flat Oval Tube · Hexagon Tube · Octagon Tube · D-Profile Tube · U-Profile Tube · Customized Special Shape
Pipe End	Plain End / Beveled End / Threaded

Company Profile

Shandong Zhuoyue Machinery Processing Factory 

As a professional integrated enterprise in Shandong's industrial cluster, Shandong Zhuoyue Machinery Processing Factory provides one-stop services for steel materials, covering production, processing and sales. Benefiting from the region's superior industrial support, abundant raw materials and professional team, we have gained a solid reputation in the industry with consistent quality and customized solutions.
Core Capabilities & Business Scope
We specialize in processing various steel materials, including carbon steel, stainless steel, alloy steel and wear-resistant steel. Our business integrates raw material procurement, precision processing and finished product sales, forming a one-stop service system to reduce intermediate links and ensure efficient delivery.
Equipped with advanced equipment such as CNC cutting machines, hydraulic presses, precision rolling mills and automated welding systems, we integrate traditional craftsmanship with intelligent manufacturing. Our production strictly complies with international quality standards, with real-time monitoring throughout the process to ensure products meet required mechanical properties and dimensional accuracy.

Factory Display

Certifications

Material Suppliers

Packing & Delivery

FAQ

Q1:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world. 
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.  
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you. 
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.  
Q5:What about product prices information?
A:Prices various according to periodic price changes of raw materials.  
Q6:What is your terms of payment ?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight. 
Q7.Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing. 
Q8:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect. 
Q9:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.  
Q10: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble. 
Q11:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory. 
Q12:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging.