Alloy Bars By Zhongyuan International Group Co., Limited,

Alloy Bars

离岸价格

获取最新报价

1000 ~ 1250 / Metric Ton

20 Metric Ton Minimum Order

国家:

Hong Kong

型号:

离岸价格:

1000 ~ 1250 / Metric Ton （面議）获取最新报价

位置:

China

最小订单价格:

1000 per Metric Ton

最小订单:

20 Metric Ton

包装细节:

交货时间:

供应能力:

1000 Metric Ton per Month

付款方式:

D/P, T/T

產品組 :

Forgings

产品规格

Steel Grade: 4140, 42CrMo
Standard: EN
Dimensions: Dia 150mm - 900mm
Brand Name: ZYICO
Technique: Forged
Alloy Or Not: Is Alloy
Type: Alloy Steel Bar

详情

Chemical Requirements:
Analysis on cast. To be in accordance with table below

Required									For Information only Recomme ndation
C	Mn	Si	P	S	Cr	Mo	Ni	Al	H
0.4/0.*3	0.5/1.0	0.5/0.5	≤0.**5	≤0.**5	0.0/1.0	0.5/0.5	≤0.*5	0.2/0.5	≤2ppm
Note: Mn aim 0.9 min, P: 0.1 min, S: 0.1 min, Cr 0.5 min, Mo: 0.0 min, P+S: 0.*4 max.

Mechanical Properties Required :
On material at the time of supply.

- Sampling:
Material shall be test per heat and per heat treat load, once Tensile and Three impact.
Test practice in accordance with ASTM A *****3 and ASTM A***4 CL BC, test specimens shall taken with the longitudinal axis located at 1” bellow surface.

Surface	Yield/Re 0.2% offset	Tensile/Rm	2” Elongation	Area Red.	Charpy V	Note
BHN	PSI	PSI	A %	Z %	Ft-lbs	1KSI=6.**5MPa
******1	0,0	0,0	≥*4	≥*5	*6 J	1ft-lbs=1.**6J
Report 0.6% eul for inform only
Surface hardness aiming for ******1 BHN
5.4 MM sub surface cheking at least 4” or 2 mm from end of bar: ***0BHN, aiming for ****2BHN

General requirements:

Forging reduction ratio:≥4:1
Austenite grain: As per ASTM E***-latest, grade **8
Guarantee no crack, no flake, no shrnk hole, no pin hole
Mercury free: non radioactive, no welding. Decarburization is allowed for the RT and then QT bars.
Hardenability: as per ASTM A*****0, J*-J*2, testing is to be carried out in accordance with the ASTM A*****3 on speciments make from re- forged square or round samples ****5mm in diameter.

Non-metal inclusion: As per ASTM E**-latest method A:

	A Heavy	A Thin	B Heavy	B Thin	C Heavy	C Thin	D Heavy	D Thin
	2.0 max	2.0 max	1.5 max	2.0 max	1.0 max	1.5 max	1.0 max	1.5 max
Aim for	0.5 max	1.0 max	1.0 max	1.5 max	1.0 max	1.5 max	1.0 max	1.5 max

Surface condition: rough turned, required a surface finish of **0 RMS or better
End hole: removed the ends holes.
Dia. Tolerance: *0/*2mm.
Out of roundness: within 1.9 mm. Straightness: max. 2mm/m.:≤1.9mm, 2mm/m.
Forged Bars surface grinding allowed, Must not remove surface bellow nominal diameter.

Material shall be untrasonic tested in accordance with ASTM A**8 4mm FBH.
In accordance with API 6 A PSL 3 and EN ****8 Class 3, gu

国家:	Hong Kong
型号:	-
离岸价格:	1000 ~ 1250 / Metric Ton （面議）获取最新报价
位置:	China
最小订单价格:	1000 per Metric Ton
最小订单:	20 Metric Ton
包装细节:	-
交货时间:	-
供应能力:	1000 Metric Ton per Month
付款方式:	D/P, T/T
產品組 :	Forgings