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    About 1,860 results (0.24s) 
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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Key manufacturers and suppliers of 110 KSI (yield strength) AISI hollow bars, particularly for oil and gas applications, include OSS Metals, Hunan Fushun Metal Co., Ltd., and various specialized Shandong-based manufacturers specializing in AISI 4145H Mod, 4130, and 4140 grades. These products often meet API 7-1 and NACE MR-0175 standards. 
    Key Manufacturers & Suppliers 
    • OSS Metals: Supplies 4130, 4130Mod, 4140, and 8630Mod hollow bars in sizes ranging from 3″ to 32″ with yield strengths up to 110 KSI or higher.
    • Hunan Fushun Metal Co., Ltd.: Produces AISI 4145H and 4145H Mod seamless alloy steel tubes and hollow bars.
    • Shandong/China-based Suppliers: Multiple manufacturers listed under Made-in-China, such as Laiwu Xincheng Metal Co., specialize in AISI 4145H Mod 110KSI/120KSI hollow bars, often with UT testing.
    • Forwell: Supplies solid and specialized alloy steel bars, including 4145H Mod. 
    Common Material Specifications 
    • Grade: AISI 4145H Modified (4145H Mod), AISI 4130, AISI 4140, 8630Mod.
    • Yield Strength: 110 KSI (often 110-125 KSI range).
    • Condition: Quenched and Tempered (Q&T).
    • Common Applications: Oil & Gas Drill Collars, Subsea Equipment, Downhole Tools. 
    For sourcing, companies like OSS Metals offer specialized, high-yield hollow bar products with API 6A and NACE compliance. 
    • AISI 4145h Mod 120ksi 110ksi Steel Hollow Bars with Ut Test
      Laiwu Xincheng Metal Co., Ltd. Address:69#Luzhong East Street, Laicheng District, Laiwu, Shandong, China.
      Laiwu Xincheng Metal Co., Ltd.
    • AISI 4145h Mod Spec 7-1 120ksi 110ksi Steel Hollow Bars with Ut Test
      AISI 4145h Mod Spec 7-1 120ksi 110ksi Steel Hollow Bars with Ut Test - Hollow Bar, St52 Pipe | Made-in-China.com.
      Made-in-China.com
    • Videos about What is AISI 4145h Mod Spec 7-1 120ksi 110ksi ...
      Origin, Shandong, China ; Hollow Bar Size, Od 100-1000mm ; Inside Diameter, 5-240mm ; Heat Treatmnet, Normalized,Annealed,Quenched...
      0:16
      Made-in-China.com
    • Metal Products - OSS Metals
      Metal Products - OSS Metals. METAL PRODUCTS. Hot Finished Tubing. GRADE. SIZE. CONDITION. SPECIFICATIONS. YIELD STRENGTH. 4130. 3″...
      OSS Metals
    • Hollow Bar - Hunan Fushun Metal Co., Ltd.
      Hollow Bar - Hunan Fushun Metal Co., Ltd.
      www.fushunsteeltube.com
    • Alloy Steel 4145H 120 KSI Solid Bar API Standard From Daye ...
      Forwell company alwasy stock the solid bars material AISI 4145 Alloy Steel,AISI 4145H 110Ksi,120Ksi and 125Ksi from the Daye steel...
      www.forwellequip.com
    • SAE 4140 Alloy Steel bar|AISI 4140-ASTM A29 - Fuhong Steel
      SAE 4140 Steel Application * Automotive industry: Critical parts such as crankshafts, gears and axles. * Oil and gas industry: Dri...
      www.round-steel.com
    • AISI 4145H MOD Alloy Steel Tube - Hunan Fushun Metal Co., Ltd.
      AISI 4145H MOD Alloy Steel Tube - Hunan Fushun Metal Co., Ltd.
      www.fushunsteeltube.com
    • AISI 4145H Seamless Alloy Steel Tube - Hunan Fushun Metal ...
      AISI 4145H Seamless Alloy Steel Tube - Hunan Fushun Metal Co., Ltd.
      www.fushunsteeltube.com
    • Oil & Gas Bar - LIBERTY Steel UK
      Alloy – Heat Treated Grade Related standards & specifications Summary of properties 4145H Mod API 7-1 Enhanced hardenability versi...
      LIBERTY Steel Group
    • AISI 4145h Mod 120ksi 110ksi Steel Hollow Bars with Ut Test
      Laiwu Xincheng Metal Co., Ltd. Address:69#Luzhong East Street, Laicheng District, Laiwu, Shandong, China.
      Laiwu Xincheng Metal Co., Ltd.
    • AISI 4145h Mod Spec 7-1 120ksi 110ksi Steel Hollow Bars with Ut Test
      AISI 4145h Mod Spec 7-1 120ksi 110ksi Steel Hollow Bars with Ut Test - Hollow Bar, St52 Pipe | Made-in-China.com.
      Made-in-China.com
    • Videos about What is AISI 4145h Mod Spec 7-1 120ksi 110ksi ...
      Origin, Shandong, China ; Hollow Bar Size, Od 100-1000mm ; Inside Diameter, 5-240mm ; Heat Treatmnet, Normalized,Annealed,Quenched...
      0:16
      Made-in-China.com
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    Web results

    AISI 4140 Steel - ShunFu Metal Co., Ltd.


    gaslinepipe.com
    https://www.gaslinepipe.com › Portfolio › Alloy Steel Bar
    gaslinepipe.com
    https://www.gaslinepipe.com › Portfolio › Alloy Steel Bar
    May 11, 2025 — SHUNFU METAL offers premium quality AISI 4140 chromium-molybdenum (CrMo) alloy steel bars, engineered to deliver superior performance in demanding applications.Read more

    Low Alloys


    Sverdrup Steel
    https://www.sverdrupsteel.com › materials › low-alloys
    Sverdrup Steel
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    We supply low alloy steel for a wide range of industries. Low alloys are popular for their great mechanical properties and relatively low price.
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    Hollow Bar & Steel Pipe


    pacificsteeltech.com
    https://www.pacificsteeltech.com › hollow-bar-steel-pipe
    pacificsteeltech.com
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    We can manufacture hollow bar E355,4140 LN80 80KSI,110KSI,125KSI,steel plate API 5L,steel pipe,hollow bar AISI 110 KSI,steel hollow bar.

    Carbon & Low Alloy


    Barrett Steel
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    Barrett Steel
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    Barrett Steel have an extensive stock range of carbon & low alloy steels which offer increased toughness and hardening capability.

    Metal Products


    OSS Metals
    https://ossmetals.com › metal-products
    OSS Metals
    https://ossmetals.com › metal-products
    Round Bar ; 4330V, 2″-11″, Annealed, Q&T, ASTM A29, 130KSI, 150KSI, 160KSI, 165 KSI ; 4340, 3″-32″, As-Rolled, Annealed, Q&T, ASTM A29, A322, A788, 105KSI, 110KSI ...Read more
    Missing: Hollow ‎| Show results with: Hollow

    AISI 4145H Seamless Alloy Steel Tube - Hunan Fushun Metal ...


    fushunsteeltube.com
    https://www.fushunsteeltube.com › product-item › aisi-...
    fushunsteeltube.com
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    AISI 4145H Seamless Alloy Steel Tube. Home/Alloy Steel Tube, Hollow Bar/AISI ... 110 KSI Min, (758 N/mm2). Elongation, 13 %. Red of Area, 30 %. Size range ...Read more

    AISI 4145h Mod 120ksi 110ksi Steel Hollow Bars with Ut Test


    Laiwu Xincheng Metal Co., Ltd.
    https://xinchengsteel78.en.made-in-china.com › product
    Laiwu Xincheng Metal Co., Ltd.
    https://xinchengsteel78.en.made-in-china.com › product
    AISI 4145h Mod 120ksi 110ksi Steel Hollow Bars with Ut Test ; Production Capacity: 3000tons/Month ; Address:69#Luzhong East Street, Laicheng District, Laiwu, ...Read more
    $1,000.00 · In stock · 5.0 · Review by MIC_BUYER · Free delivery
    People also ask
    Who is the supplier of AISI 4140 round bar?
    National Steel Industries is the most prominent supplier of AISI 4140 steel. Buy good quality SAE 4140 round bar and AISI 4140 sheets from us which are tested for a variety of parameters and delivered with a material test certificate for complete quality assurance.

    AISI 4140 | SAE 4140 Round bar Supplier - National Steel Industries


    National Steel Industries
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    What steel has 100 KSI yield strength?
    ASTM A514 Plate | Quenched and Tempered Alloys | Alro Steel
    ASTM A514 Alloy Steel Plate
    ASTM A514 Alloy Steel Plate

    This steel plate has a yield strength of 100,000 psi (100 ksi or approximately 700 MPa). The A514 plate steels are a group of quenched and tempered alloys with many attractive advantages and characteristics.

    ASTM A514 Plate | Quenched and Tempered Alloys | Alro Steel


    Alro
    https://www.alro.com › divsteel › metals_gridpt
    Alro
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    Is 4340 the same as 4140?
    4340 steel is more different from 4130 and 4140. This alloy is a 43xx rather than a 41xx steel, which puts it in a different category—Nickel-chromium-molybdenum steel. 4130 and 4140 alloys are both chromium-molybdenum steel. 4340 steel has ~1.8% Nickel added to the composition, which isn't in 41xx steels.Jan 20, 2025

    4130 vs 4140 vs 4340 Steel - Spex Precision Machine Technologies


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    Is A36 the same as 4140?
    Strength: A36 steel is not as strong as 4140 steel. It has a lower tensile strength, making it suitable for less demanding structural applications. Hardness: A36 steel is relatively soft compared to 4140, which means it's not well-suited for high-stress applications.Oct 18, 2023

    A36 vs 4140 steel -Unveiling the Differences


    OTAI Special Steel
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    OTAI Special Steel
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    Web results

    Alloy Steel 4145H 120 KSI Solid Bar API Standard From Daye ...


    forwellequip.com
    http://www.forwellequip.com › products › Alloy-Steel-4...
    forwellequip.com
    http://www.forwellequip.com › products › Alloy-Steel-4...
    Forwell company alwasy stock the solid bars material AISI 4145 Alloy Steel,AISI 4145H 110Ksi,120Ksi and 125Ksi from the Daye steel mill. Related Products.Read more
    Missing: Hollow ‎Manufacturer

    Hastelloy Bar Manufacturer-C276/C22/B-2


    gneestainlesssteel.com
    https://gneestainlesssteel.com › Hastelloy Shape
    gneestainlesssteel.com
    https://gneestainlesssteel.com › Hastelloy Shape
    Hastelloy Bar is a high-performance alloy bar with excellent corrosion resistance, high temperature strength and mechanical strength.

    SAE 4140 Alloy Steel bar|AISI 4140-ASTM A29 - Fuhong Steel


    round-steel.com
    https://www.round-steel.com › products › sae-4140-allo...
    round-steel.com
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    4140 110Ksi means that after quenching and tempering, the yield strength of 4140 steel must reach a minimum of 110Ksi (758Mpa). What are the equivalent grades ...Read more
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