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Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4

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中国 TOBO STEEL GROUP CHINA 認証
中国 TOBO STEEL GROUP CHINA 認証
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Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4

Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4
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大画像 :  Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4

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: 15~30営業日
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

Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4

説明
プロドカット: 合金鋼丸棒 衝撃値: ≥50 J
形: ラウンド 特別なパイプ: APIパイプ
耐食性: 中程度から高程度 表面仕上げ: 熱間圧延、冷間引抜、研磨
表面仕上げ: 、黒い、磨かれた明るい、皮をむかれる アプリケーション: 自動車、機械、建設、航空宇宙
競争上の優位性: 純粋で均質です 学年: 4340
硬度: HRC 20〜60 応用: 自動車、機械、建設
生産技術: 熱間圧延または鍛造状態、 アニール硬さ: 170〜207
抗張力: 1274MPa

Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4 

 

This high-performance alloy steel round bar is manufactured with ASTM4140 and 42CrMo4 materials, designed specifically for boiler and heat exchanger applications, with a diameter range of 20-300mm to meet diverse thermal equipment size requirements. It combines excellent high-temperature resistance, corrosion resistance and mechanical strength, perfectly adapting to the harsh working environment of boilers and heat exchangers.
 
ASTM4140 and 42CrMo4 are high-quality alloy steels with outstanding hardenability, toughness and creep resistance. They can withstand long-term operation under high temperature and pressure, not easy to deform or crack, ensuring the stability and safety of boiler and heat exchanger systems. The round bar is produced through advanced hot rolling or forging process, featuring a dense internal structure, uniform wall thickness, precise dimensional tolerance and smooth surface, reducing wear and fluid resistance during use.
 
Widely used in manufacturing boiler tubes, heat exchanger components, thermal power station equipment, and high-temperature pipeline parts. It undergoes strict quality inspection, including chemical composition analysis, high-temperature performance testing and dimensional accuracy detection, fully complying with international industry standards. With reliable performance, long service life and good machinability, it provides a safe and durable material solution for boiler and heat exchanger manufacturing.
 
 
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

 

 Boiler & Heat Exchanger Alloy Steel Round Bar ASTM4140/42CrMo4 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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