لوله فولادی بدون درز

Seamless Steel Tubes and Pipes for High Pressure Boiler GB 5310 Spec: Material:20G 20MnG 25MnG Size Range:OD:4-1200mm WT:0.3-200mm General Length:4-12.5m Tolerance: According to the following tables or customers’ request. Producing method Size Tolerance General High grade Hot rolling (extrude) D 54~325 S≤35 ±0.75% ±0.5% S>35 ±1% ±0.75% >325 ±1% ±0.75% S ≤4.0 ±0.45 ±0.35 >4.0~20 ±12.5%-10% ±10% >20 D25.4~40 ±0.20 _ >40~50 ±0.25 _ >50~60 ±0.30 _ >60 ±0.5% _ S ≤3.0 ±0.3 ±0.2 &g

GB 3087 Seamless Steel Tubes for Low and Medium Pressure Boiler Characteristic: Good concentricity Good surface quality Good OD and ID tolerance High Precision Stable quality Smooth Roughness TORICH QUALITY ASSURANCE Spec: Material:10# 20# STB33/42 st35.8 Size Range:OD:4-1200mm WT:0.3-200mm General Length:4-12.5m Tolerance: According to the following tables or customers’ request. Tolerance of the OD &WT: OD Tolerance: Production Method OD Tolerance Hot Rolling(Extrusion) ±1%

GB/T 8162 Material 10# 45# 20Mn 25Mn Q235 Q345 Seamless Steel Tubes for Structural Purpose Material:10# 20# 45# 20Mn 25Mn Q235 Q345 Size Range: OD:3-1200mm, WT:0.5-200mm, General Length:3-12m Tolerance: According to the following tables or customers’ request. Characteristic: Good concentricity Good OD and ID tolerance High Precision Stable quality Smooth Roughness TORICH QUALITY ASSURANCE Tolerance of the OD &WT: OD Tolerance: Production Method OD Tolerance Hot Rolling

A 556/A 556M Cold-Drawn Carbon Feedwater Heater Seamless steel Tubes 1. Referenced Documents 1.1 ASTM Standards: A 450/A 450M Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes E 30 Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron 2. Manufacture 2.1 Manufacture—Tubes shall be made by the seamless process and shall be cold drawn. 2.2 Heat Treatment: 2.2.1 Cold-drawn tubes shall be heat

DIN 17175 16Mo5 Hot Rolled Heat-Resistant Seamless Steel Pipe For Boiler Introduction The DIN 17175 16Mo5 hot rolled heat-resistant seamless steel pipe is a high-quality pipe specifically designed for boiler applications. With its exceptional heat resistance and seamless construction, it is a reliable choice for various industrial heating processes. This article will delve into the material, specifications, key features, chemical composition, mechanical properties, steel

YB/T 5035 45# Precision Alloy Seamless Steel Pipe For Automobile Half Shaft Sleeve Material and Specification The YB/T 5035 45# precision alloy seamless steel pipe is specifically designed for use in the manufacturing of automobile half shaft sleeves. This high-quality steel pipe is widely used in the automotive industry due to its exceptional performance and reliability. The material composition and mechanical properties of this steel pipe make it an ideal choice for this

Hot Rolled Alloy Seamless Steel Pipe GB 6479 For High Pressure Fertilizer Equipment Material The hot rolled alloy seamless steel pipe GB 6479 for high pressure fertilizer equipment is made from high-quality alloy steel, ensuring excellent performance and durability. Specification The specification of the hot rolled alloy seamless steel pipe GB 6479 for high pressure fertilizer equipment is as follows: Parameter Value Outer Diameter 10mm - 168mm Wall Thickness 2mm - 21mm

Hot Rolled Seamless Steel Pipe GB 6479 For High Pressure Fertilizer Equipment Introduction Hot rolled seamless steel pipes are widely used in various industries due to their high strength, durability, and resistance to high pressure. In this article, we will explore the GB 6479 standard for hot rolled seamless steel pipes used in high-pressure fertilizer equipment. We will discuss the material, specification, chemical composition, mechanical properties, steel grade, and

GCr15 100Cr6 OD85XWT11.5 Seamless Steel Tube Steel Grade/Steel Material: Steel Grade mass fraction % C Si Mn P S Cr Mo GCr15 0.95-1.05 0.15-0.35 0.20-0.40 ≤0.027 ≤0.020 1.30-1.65 ≤0.10 100Cr6 0.93-1.05 0.15-0.35 0.25-0.45 ≤0.025 ≤0.015 1.35-1.60 ≤0.10 100CrMnSi6-4 0.93-1.05 0.45-0.75 1.00-1.20 ≤0.025 ≤0.015 1.40-1.65 ≤0.10 100CrMnSi6-6 0.93-1.05 0.45-0.75 1.40-1.70 ≤0.025 ≤0.015 1.40-1.65 ≤0.10 100CrMo7 0.93-1.05 0.15-0.45 0.25-0.45 ≤0.025 ≤0.015 1.65-1.95 0.15-0.30 Delivery