Precision Alloy Steel 4130 4140 Seamless Steel Pipe Seamless Pipe Tube

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Product Description

🔷Basic Information
Model NO.
Customized
Surface Treatment
Oiled
Usage
Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Mining, Construction & Decoration
Section Shape
Round
Surface Require
Black, Grinding, Bright, Polish, Turn, Peel
Trade Term
EXW, FOB, CIF
Delivery Time
In 10-50 Days
Heat Treatment
Quenched, Tempered, Annealed
Specification
Length: 3000mm-6000mm
Production Capacity
50000tons/Year
📊Product Description & Equivalent Grades
STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
AISI 4130 G41300 1.7218 - 25CrMo4 JIS G4105 BS 970 -
⚗️Chemical Material Composition (AISI 4130)
Element Ni C Mo Mn Si Fe S P Cr
Value (%) 0.50 max 0.28-0.33 0.15-0.25 0.40-0.60 0.15-0.35 97.3-98.22 0.025 MAX 0.035 MAX 0.80-1.10
⚙️Mechanical Behaviour
Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
0.28 2580 460 MPa 560 MPa 20 %
📋Technical Parameters
Technical parameters
Material Precision Alloy Steel 4130 4140 Seamless Steel Pipe Tube
Size 4 to 219mm W. T.: 0.5 to 20mm; Length: 3000-6000mm
Delivery Condition Hot rolled, cold drawn
Packing Seaworthy packing, wooden case, carton, woven bag or as required
Payment Terms T/T or L/C at sight
📷Detailed Photos
Alloy Steel Pipe 1
Alloy Steel Pipe 2
Alloy Steel Pipe 3
Alloy Steel Pipe 4
Alloy Steel Pipe 5
Alloy Steel Pipe 6
🏢Profile Overview
Established in 2001, the enterprise specializes in special steel production and inventory. Since 2004, advanced equipment for hot rolled and forged products was integrated, forming a complete system for smelting, refining, forging, and heat treatment. Expansion into overseas markets began in 2005, following national export certification.

The facility features state-of-the-art production lines for various grades including bearing steel, stainless steel, alloy steel, high-speed tool steel, and die steel. The annual output for forged round steel reaches 60,000 tons.
Factory Overview
Workshop 1
Workshop 2
🌟Recommended Steel Grades
Category Grades
Alloy Steel 4140, 4142, 42CrMo4, 1.7225, SCM440, 4130, SCM430, 25CrMo4, 1.7218, 34CrNiMo6
Tool Steel H13, 1.2344, SKD61, D2, SKD11, 1.2379, 1.2510, O1, SKS3, D3, SKD1, H21, P20, M2
Bearing Steel GCr15, 52100, SUJ1, SUJ2, 100Cr6, 1.2067, 8620, 440C, M50
Stainless Steel 321, 1.4541, 304, 1.4301, 410, 1.4006, 420, 316L, 1.4435, 630, 431
FAQ
Q: Are you a trading company or manufacturer?
A: We are a professional factory and manufacturer specializing in special steel.
Q: How long is the delivery time for orders?
A: Generally, it is 5-10 days if the goods are in stock. For items not in stock, the lead time is 15-50 days depending on the order quantity and specific requirements.
Q: Do you provide samples for testing?
A: Yes, we can offer samples free of charge, although the cost of freight is usually covered by the customer.
Q: What are the primary surface conditions you can provide?
A: We offer various finishes including Black, Grinding, Bright, Polished, Turned, and Peeled conditions.
Q: What are your standard terms of payment?
A: For payments under 1000 USD, 100% in advance. For payments over 1000 USD, we require 30% T/T in advance with the balance due before shipment.
Q: Can you provide customized sizes for alloy pipes?
A: Yes, we specialize in customized dimensions, typically ranging from 4mm to 219mm in diameter with lengths between 3000mm and 6000mm.

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