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37Mn 34Mn2V 30CrMo 35CrMo Seamless Steel Tube / Cold Rolled Carbon Steel Pipe

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37Mn 34Mn2V 30CrMo 35CrMo Seamless Steel Tube / Cold Rolled Carbon Steel Pipe

Brand Name : HAOSTEEL

Model Number : 37Mn 34Mn2V 30CrMo 35CrMo STH11 STH12 STH21 STH22

Certification : ISO9001

Place of Origin : CHINA

MOQ : Negotiation

Price : Negotiation

Payment Terms : L/C, T/T

Supply Ability : 5000tons per month

Delivery Time : 5-10 working days after order confirmed and receive deposit

Packaging Details : Woven bags and plastic strips inside packing, wooden / iron pallet and steel strips outside packing.

Product : 37Mn 34Mn2V 30CrMo 35CrMo Seamless steel tubes high pressure vessels gas cylinders

Standard : ASTM, BS, DIN, GB, JIS

Grade : 37Mn 34Mn2V 30CrMo 35CrMo STH11 STH12 STH21 STH22

Thickness : 2 - 20 mm

Outer Diameter : 20 - 610 mm

Technique : Cold Rolled

Application : Structure Pipe, Fluid Pipe

Surface : Galvanized Coated, Bare, Oil, Paint, Varnish

Length : 1-12m

Keyword : cold Rolled Carbon Pipe

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37Mn 34Mn2V 30CrMo 35CrMo Seamless steel tubes high pressure vessels gas cylinders

Description:

Carbon steel pipe can be divided into seamless steel pipe, straight steel pipe, spiral steel pipe, high frequency welded steel pipe and so on.Carbon steel seamless steel pipe is a kind of long steel.
The pipe has a hollow section and is used in a large number of pipelines for fluid transportation, such as those for oil, natural gas, gas, water and some solid materials.
Generally, the outer diameter of hot-rolled seamless pipe is greater than 32mm, the wall thickness is 2.5-75mm, the outer diameter of cold-rolled seamless pipe can be up to 6mm, the wall thickness can be up to 0.25mm, and the outer diameter of thin-walled pipe can be up to 5mm, the wall thickness is less than 0.25mm, and the precision of cold rolling is higher than that of hot rolling.
General carbon steel pipe: it is made of 16Mn, 5MnV and other low-alloy structural steels, such as 10, 20, 30, 35, 45, 45 etc.Seamless pipes made of mild steel such as 10 and 20 are mainly used for fluid transportation pipes.The seamless pipe made of medium carbon steel such as 45 and 40Cr is used to make mechanical parts, such as mechanical parts of cars and tractors.Carbon steel tubes are generally used for strength and flattening tests.The hot-rolled steel pipe is delivered in the hot-rolled or heat-treated condition;Cold rolling is delivered as heat treatment.

Specification:

Standard:GB 18248, JIS G3429, ASTM A372, ISO 11120

Major steel pipe brands:37Mn, 34Mn2V, 30CrMo, 35CrMo, STH11, STH12, STH21, STH22, etc.

Weight:Steel pipes shall be delivered according to actual weight.
According to the requirements of the buyer, through consultation between the supplier and the supplier, and indicated in the contract, the goods can also be delivered according to the theoretical weight

Mechanical property

Standard Grade Tensile strength (MPa) yield strength elongation
GB 18248 37Mn ≥750 ≥630 ≥16
34Mn2V ≥745 ≥530 ≥16
30CrMo ≥930 ≥785 ≥12
35CrMo ≥980 ≥835 ≥12
Standard Grade Chemical composition, %
C Si Mn P,S Cu Ni Mo Cr V
GB18248 37Mn 0.34~0.40 0.10~0.30 1.35~1.65 ≤0.030 ≤0.20 ≤0.30 / ≤0.30 /
34Mn2V 0.30~0.37 0.17~0.37 1.40~1.75 ≤0.030 ≤0.20 ≤0.30 / ≤0.30 0.07~0.12
30CrMo 0.26~0.34 0.17~0.37 0.40~0.70 ≤0.030 ≤0.20 ≤0.30 0.15~0.25 0.80~1.10 /
35CrMo 0.32~0.40 0.17~0.37 0.40~0.70 ≤0.030 ≤0.20 ≤0.30 0.15~0.25 0.80~1.10 /
JIS G3429 STH11 ≤0.50 0.10~0.35 ≤1.80 ≤0.035 / / / / /
STH12 0.30~0.41 0.10~0.35 1.35~1.70 ≤0.030 / / / / /
STH21 0.25~0.35 0.15~0.35 0.40~0.90 ≤0.030 / ≤0.25 0.15~0.30 0.80~1.20 /
STH22 0.33~0.38 0.15~0.35 0.40~0.90 ≤0.030 / ≤0.25 0.15~0.30 0.80~1.20 /

Similar comparison of domestic and foreign brands

GB 18248 JIS G 3429 ISO 11120 EN 10297-1 ASTM A372 DOT 49CFR§178.37
37Mn

STH11

STH12

/ 38Mn6 Grade C

Inter-mediate

manganese

34Mn2V

STH11

STH12

/ / / /
30CrMo STH21 GroupⅡ 30CrMo4 Grade E 4130X
35CrMo STH22 GroupⅡ 34CrMo4 / /
34CrMo4 STH22 GroupⅡ 34CrMo4 / /
30CrMnSiA / / / / /

Product Show:

37Mn 34Mn2V 30CrMo 35CrMo Seamless Steel Tube / Cold Rolled Carbon Steel Pipe


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low carbon steel

      

carbon steel seamless pipes

      
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