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Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

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中国 TOBO STEEL GROUP CHINA 認証
中国 TOBO STEEL GROUP CHINA 認証
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Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing
Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

大画像 :  Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

商品の詳細:
起源の場所: 中国
ブランド名: TOBO
証明: CE&ISO
モデル番号: 合金鋼丸棒
お支払配送条件:
最小注文数量: 1個
価格: 交渉可能
パッケージの詳細: あなたの条件に従って
受渡し時間: 15-30working幾日
支払条件: L/C、D/A、D/P、T/T、ウェスタンユニオン、マネーグラム
供給の能力: 10000個/月

Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

説明
製品名: 合金鋼丸棒 特別なパイプ: APIパイプ
タイプ: 鋼鉄の金属棒 配送条件: within15幾日は後沈殿物を受け取った
表面: 熱間圧延 耐食性: 高い
面積の縮小: >=40% 衝撃値: ≥50 J
学年: 1.7225合金 熱処理: 焼入れ焼き戻し、焼きなまし
生産技術: ホットロールまたは鍛造状態 パッキング: バンドル
形: ラウンド 直径範囲: 6mmから200mm
競争上の優位性: 純粋で均質です

Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

 

This 4140 alloy steel round bar combines the structural integrity of hot rolling with the precision of ground surface treatment, tailored specifically for high-demand hardware applications. The hot-rolled base ensures a dense, uniform internal structure with excellent mechanical strength, while the precision ground finish delivers ultra-tight diameter tolerances, a smooth surface and minimal machining allowance—ideal for producing high-precision hardware parts.
 
As a classic medium-carbon alloy steel, 4140 offers outstanding tensile strength, wear resistance and hardenability, with superior performance after heat treatment. It excels in withstanding repeated loads and friction, making it the preferred material for heavy-duty hardware components.
 
Widely used in manufacturing fasteners, hinges, precision shafts, hand tools, locks and hardware accessories. Strict quality control ensures consistent chemical composition and dimensional accuracy, providing a reliable foundation for high-quality hardware production across industrial and commercial sectors.

 

Products round bar
Material SS400 S45C S20C
Standard ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167
Length 3-12m
Size 8-400mm
Application ships building industry,petroleum,chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields.
Payment Terms L/C , T/T or Western Union

 

ABOUT US

We specialsied in kinds of steel products more many years,especially in hot rolled steel round bars ,square bars,flat bars ,cold drawn bars and forged bars.
Our main material are all carbon steel and alloy steel ,such as :aisi1020 1035 1045 1055 s20c s35c s45c s55c ss400 a36 c20 c35 c45 ck45 aisi4140/scm440 aisi4340/40crnimoa aisi8620H,40cr,gcr15,sae52100,20Mn,40Mn,St52,St37,S235JR,etc

1. Grade:

45# 45B S45C C45 CK45 Cm45 AISI1045 SAE1045 ASTM1045 XC45 1.0503 0.1191 1.1201

2. Specification:

Dia: 20-300mm, Length:2000-13000mm or as required

3. Process:

Hot rolled, black surface

4. MOQ:

20mt.

5.. Chemical composition:

Grade C Si Mn P S B
45#

0.42

0.50

0.17

0.37

0.50

0.80

Max

0.035

Max

0.035

 
45B

0.42

0.49

0.17

0.37

0.60

0.90

Max

0.035

Max

0.035

0.0005

0.0035

S45C

0.42

0.48

0.15

0.35

0.60

0.90

Max

0.030

Max

0.035

 
1045

0.43

0.50

0.15

0.35

0.60

0.90

Max

0.030

Max

0.050

 

6.Quality condition

 

1): Straightness: 3mm/m (max)
2): Corner Radius: 3(max)
3): The ends will be end cut or gas cut
4): No cracks on the surface

7. Standard:

According to national standard (GB)for our products, if not, supply according to national standards(GB) or agreement.

Standards

ASTM / ASME,GB,DIN, JIS,T14975, etc
Steel Grade
200, 201B , 201H ,301, 303, TP304, TP304L/304L, 321 ,TP321, 316, TP316L, 316L, 316Ti,
Out Diameter
6mm to 2000mm or customized
Wall Thickness
0.5-220mm
Length
5.8m ,6m,or customized
Tolerance
Out diameter : +/-0.15mm ,Thickness: +/-11% of wall thicknessLength: +/-4.5mm - 0mm
Surface
Mirror Polish,Satin Polish,Without Polish,NO.1,NO.4
MOQ
1 ton
Supply ability
3000 tons per month
Packing
3, bundles to be covered by polythene & strapped securely
Payment terms
T/T or L/C,TT 30% in advance ,70% balance after received B/L copy
Delivery terms
FOB CFR CIF EX Works DDU
Delivery time
Within 5-20 days after received the deposit or as client's requirements

 

 Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing 0                                             

 

 

 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delivery&packing


Packaging: In wooded cases , pallets or according to clients' requirements


Shipping: Tianjin port, Shanghai port and the other main ports in China


Our service
FAQ
Q:Are you trading company or manufacturer ?
A: We are factory.


Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.

 

連絡先の詳細
TOBO STEEL GROUP CHINA

コンタクトパーソン: Ms.

電話番号: 13524668060

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