H13 Forged Mandrel Bar

Model: Mandrel Bar-01
Place of Origin: Shaanxi,China (Mainland)
Spec.: ASTM, DIN
Usage: Oil & Gas
Material: H13
Condition: Finish machining
Heat treatment: Quenching & Tempering
Type: forged bar
Application: continuous rolling mill
Industry: Steel
Delivery: 30 days
Connection: BTC
Special Groups: forging & casting

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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:100.0 USDProduction Capacity:200Ton/month
Trade Term:FOB,CFRPacking:for sea shipment
Payment Terms:L/C, T/TDelivery Date:30days
Min. Order:1 Piece/Pieces
Means of Transport:Ocean, Air, Land

H13 Forged Mandrel Bar 

Mandrel Bar for MPM PQF


Introduction


Mandrel bar is the important parts in producing large diameter seamless pipe. In production the 

mandrel bar is under strong and complicate strength, compressing touching stress and high 

temperature cold-hot yield stress, so it strictly requires all the factors of steel, including chemical 

components, mechanical properties, no-metallic inclusion, grain size, microstructure, ultrasonic test,

 size precision, surface finish. 


Specification of the mandrel bar


Material: H13 (4Cr5MoSiV1)

Size of mandrel bar: Dia 90mm-500mm, Length<=18.5m, Connection:BTC, complying to API 5B, main thread specification include 2 3/8", 2 7/8", 3 1/2", 4 1/2", 5", 5 1/2", 6 5/8", 7 5/8", 8 5/8", 9 5/8"


Chemical of the H 13


C

Si

Mn

S

P

Cr

Mo

Ni

V

H

O

0.32- 0.45

0.80- 1.20

0.20- 0.50

≤0.008

0.012

4.75- 5.50

1.10- 1.75

≤0.25

0.80- 1.20

≤2PPm

≤20PPm




Mandrel bar






Category: Forged shaft & Forged bar

Related Category: Open die forged pull rod  Forged ring 


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